Mega Objective General Knowl e

Volume - III

\

I .

C PUBLISHERS

MEGA OGK - VOL. III

Price: Rs.65.00 ISBN : 8' .725.4. 133-3

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H

CONTENTS Pages

. , Everyday"Science 1 - 57 Mathematics 58 - 136

Books and AuthOrs 137 . 154 Inventions & Discoveries 155-FO

Scientific fields 171 179

J!eliroon 180 - 193 Law 194 . 207

Places 2QB . 233 Personalities 234 - 255

World History 256 - 269 Medical Science 270 _ 285

Arts 286 - 295 Agriculture 296 - 302 Quotations .303 - 315

Thj.& Ono

III

. .

. .

.

..

m ...

.A4 Eg ... 1: 9BJECTIVE GENERAL KNOWLEDGE

VOlum

--,----. EVlRYDAYICIINCE~ ----I.

2.

Jet engines are a) rotary engines c) turbine engines Cotton fibre is made up of a) protein c) minerals

b) extenlal (omiJustioli cngi nc$ d) reaction engines

b) cellulose d) lignin

S. The wei.,ht of a body is a) the same evcryv.hcre 0 11 the surface of eanh b) maximum al lhe polus c) maximum al the equ;l\or d) more on the hills !han in the pJ.,ins

4. The primary colours used in a colour T.V. are . . a) . Green , Yellow. Violct b) Violet, R,ed. Orange c) Green, Red, Blue d) Blue .. Green, Violet

5. Heavy alcohol consuminj!: people IIcnerally die of a) Blood cancer h) Cirrhosis c) Ljver or stomach cancer d) Weakening of heaTllllusdcs leading to cardiac arrest

6. ldenli.fy the manmade element. a) Carbo n b) Gold c) Califom ium d) , Calciulll

7. Which one of the following is correctly matched? .) 'Goitre' is caused d ue to the lack of Vitamin D b) 'Di.abetcs' "is caused dtic 10 the deficicllC)' o r Insulin c) ' Rickets' iscauscd duc 10 rllc lack or Viialllin It d) 'Xerophthalmia' is caused d ue LO Ihe I~ck or Iodine

8, ' Which one of the rollowinS- is conecdy matched? a) Y2K Problem

SUI'Q'S O.G.K_ (Vo1. _IlI )

9. 'Consider' the following statemenlS: I) Acid min is mlluml 2) Acid rain has glooill ecological problem -3) Add rain iUCfeases [he acidity of soil 4) Acid rain ilffects plams ami animals . Among the above: a), r and 2 arc con'eCl b) 2.3 and 4 arc COITCCt c) 3 alld 4 are correct d) all are correct

'10. Name the minerals that are essential (or bone and teeth ronnation in man. a) Calcium and Phosphorus b) Magnesium and PotassiulII c) Sodiulll and Iron d) Iodine all(l Sulphur .

II . In petrol, leaa isnol added nowadays. This is because a) unkadt:d petrol is cheap b) unleaded petrol do not cause pollulion c) unleaded petrol is combustible d) . unkaded petrol increa'ses speed

12. Which of the follo~g contains nitrOgen? ' a) Fals b) Proteins c) Carbohydrau:s d) Oils

U. Ripe mangoes contain a) Vitalilin A c) Vitamin C

b) Vitamin Be d) Vitamin E

14. All of the folloWing utili.se ~al's law Cltcept a) type-writer b) barber-chair c) hydr.luli.c brakes d) . se,vice station lift

15. ' Wbich of the following is not a ~ef'-bome disease? a) lfphoid b) Cholera c) Amoebic dyselllery d) Asthma

16: Travelling' at the speed of light. the moon is Jess than a) five seconds. away b) two st;COllds away c) fOllf seconds away d) none of these

17. Which of the followii'lg instruments is used' for recording earthquake waves? a) Bilrograp h b) H)'drograph c) Pantograph d) Seismograph

9. B 15. D

10. A 16. B

J I. B 17. D

2

12. B 13. A 14. A

Sura's C .G .I

.

Sura', O.G-K. (Vol. III ) 26. Rice is. staple food for people of India. In the milling process,

polishing is die final process and the polished rice is rich in a) Cellulose b) Sugar c) Starch d) qliliu

27. Which one of Ihe following layers of the atmosphere is responsible for the reflection of radio waves? a) Troposphe~ ,!J) St rdtosphe~' c) Mesosphere . "d) Ionosphere

28. The blue colour of water in the sea is due.to a) "ab sorption of Oilie r co lours excep t blue by wa ler

molecules b) ' scat lering of b ltlc light by wolter 1Il0lCClties c) refraction af blue liglll by impurili(:$ in sea water d) re flect ion of blue sky by sea water

29. Consider the statements: X-rays I) are nOl elenromagnclic l

Sura's O.G .I( (Vol. UI) 51. Consider the followin~ statements:

Auertion(A) : Paslcurisation is a process. of slerili7 . uion for killing Ihe palhogens in a liquid food . .

. Reason (R) : II is done by coolillg al a v("'1' low Icmper:llure. Now .select the answer accordin~ to the codinj!: scheme ~"en below: a) BOlh A and Rare Ime, and R is IhcCOITCCT CXplall

Sura's O.G.K. (Vol. III) 39. Which one of the following was used as a chemical weapon

(poison gas) in the F"mt World War by the Germans? al Wa tt'r gas . . . b) Mus~ard gas c) H)"drogcn cyauide d) Carbon monoxide

40. Water pollution is measured by the. dissolved amount of a) Hydrogen 'b) Oxygen c) Chlorine d) . i':ilrogen

41. An element is a substance which: a) canllot by ally kJl0\011 chemical prOCt"SS be split up into two or .

more simpler substanccs . b) can be easily split into IWO or more simpler substances

c) can only be split if heated vel)' strongly . d) 1I0nt" of these '

42. Which one of Ihe follo'.'Ving pairs of materials serves as ele

Sura's 0 G.K. (Vol. JlI) 47. A full set of permanent ieeth consists of

a) 3IY t~eth b) 24 \(.'Cl.h c) 28 tcclh . d) 32 leeth

48. The colour of mercurr vapour I~mp is a) white . b) pink c) red d) )"cIlOl'

49. The alloy stellite is used in makingg",,:-::=::-_ a) iucnsils b) motor parts c) aeroplane-body d) surgical ins!n.llnents

50. what is the use of uranium? a) Medicine b) Cure cancer c) Nuclear fissiou reactiou d) Explosives

51. The colloid used for stomach troubles ii a) Col1oidalsih'er . b) Milkofmagnesia c) Colloidal sulphur d) Whippcd cream

52. Colloidal silver is an effective.,-_-,-,-;_ a) genn killcr b) pesticide e) .atltis.eptic d) anaesthesia

53. Clouds~ofcharged particlesofwaterdispersed in __ a) colloid b) air c) light d) $ky

54. The foul smell of rancid b.utter ill due to a) caproic acid b) stearic acid c) butyric acid d)" palmitic acid

55. The acid present in sour milk is a) acetic acid b) fonnic acid c) oxalic acid d) lactic acid

56. Which one of the fol.lowing animals is NOT poikilothennic (cold blooded)? a) fish b) reptiles c) birds . d) amphibia

57. Which one Of the following has powerful antiseptic action? a) formic acid . b) acetic acici c) lactic ;lad d) s'llicylic acid

58. The chemical used in hair tonic and treating sprains is a) mcthyl salicYlate . b) s.llicylic.acid c) salol d) cresol 47. D 53. B

48. -A 54. C

49, 0 55. 0

7

so. C 56. C

51. B 52. A 57. 0 . 58. A

,

SUI'Q'S O .G.K. (\bl . Ill) 59. The acid present in t~toe5 is

a) lactic acid b) oxalic acid . c) t.1rtaric acid d) fomic acid .

60. The acid used in calicq printin is . a) formic acid b) citric acid

c) 1..1ctic acid . d) oxalic acid 61. Which one of the followin is NOT. fertiliser?

a) Ammonium sulphate b) Calcium ammonium niLrate c) Un~a d) Cakiulll sulphate

62. DDT is a ~ommon ;i) fungicide c) insecticide

. 63. BHe is conunon a) insecticide e) fungicide

64. PVC is

b) weedicide .d) \'odel11icidc

b) bactcriacide d) uredicide

a) a powerful explosive b) an insecticide c) thennoseuing plastic . d} thcnnoplastic

65. The tempered steel is u~ in makin . a) compe-nsated pendulum . b) coins c) e1ectncal cables d) chisels

. ,

66. Gas leakae in LPG gascylinder is identified by adding a) thioalcohol . b) ethyl mercaptan c) e ither (a) or (h) d) nOlle of lhe above

67. Delerenuarecalled a) hard soaps b) . 50ft soaps c) seapless soaps d)" carbolic so.1pS

68. Petrochemical is used to prepare .) benzene b) O.O:T e) petrol d) glycerol

69. . is used in silvering of mirrors. a) Siheriodide b) Silver chloride c) Siher nittate .' d) Silver bromide

70. Jute wastes are used to make a) . dog biscuits. b) hard boards e) toxic n).1terials d) smokeless fuel

59~ B 65. 0

60. A 66. C

61. 0 67. C .

8

62. C 68. 0

63. A 69. C

64. 0 70. B

Surds O.G X. (Vol. III ) 71. Sodium carbonate is used in

a) soft ening wafer .b) glass induslr}' c) soap preparation dl a ll the abo\'e

72. The rays, th.it are used as a diagnostic 1001 in ~edicine and for the treabnent of cancer, is a) gamma rays b) ultr.wiolet rays e) X-rays d) ' infrared rars

73. Penicillin'grows on 0) organk maner c) hills .

b) fresh waler d ) rock

74. Green plantS orthe forests are known as ill} woods . ' ~) swainplands

. c) consumers of food chain d) , primal)' producers'of food chain

75. . is the oil yieldin! plaDL a) Mango ' . b) Groundniu c) Po,t.al

Sura's 0 G.K. (Vol. 111) SO. In recent years tbere has been some concern over the threat

posed by the MathulOl Oil Refi"ery and the thermal power plants to the Taj Mabal in A~. The scientific basis of any possible damage to the Taj is mainly . a) stratosphcric ozone and th e chloroOurocarbons which

destroy il" . b) acid prccipilation and lropospheric ozone . c) increasing b 'eJs of atUlospheric .CO. which prodilce the

Grecnhouse Weet -d) ultraviolet radiation (210-260 nanometers wavelength) and

th o: fUllles from the hcavil)'/highl )' polluted \~mlUlla river. SI. Which colour is very good for Ii blood pressure patient?

a) Blue b) Red c) Ye llow d) Pink

S2. What is Phannacopoeia? a) a lis t of drugs willi their fonnula methods ror making

medicinal preparation and other related infonnation b) it is another name of manometer e) fea r of cats d) None of the above

83. Mention theelectrieity voltage necessary for a transistor radio. a) 9 \'olts b) 8 volts . c) 7 volts d) None oflile above

84. Which isotope is used for cancer? a) Cobalt 60 b) Borol1 32 c) Isotope cannot be used d) None of the above

85: How many parts are there in a WTist ':I'81ch? a) 2 11 .b) 8 e)11 d) 12

86. What is a 9sided and g.angled polygon called? a) Nonagoll b) Pentagon c) Hemisphere d) None of the abO'o'e

87. Which o~e of the following is used as the chemical in the tape for producing sound? a) Iron Oxide b) Zinc Oxide c) Potassiulll Oxide d) None of lhe above

SO. B 86. A

8\. A IrI. A

82 A

10

83. A 84. A 85. - A

Sura's O.G.K. (~l. JII) 88. In certain diseases an~biotics are administered. The object is

to . al. stimulate production of whil e blood cells. for fighting the

disease b) sliml!latc the production of alllibodics c) inhibit the growth of bacteria d) produce toxins againu baCl(:na

89. Which of the following pn:icesse$ is NOT Imitable for softening water possessing temporary .hardne!l'? a) Boiling b) Filtration c) Adding calcium hydroxide d) DistiUation

90. For gal~shing iron which of the following metals is used? a) Aluminium b) Copper c) Lead d) Zinc

91. In which . of the following organ. of human body does maximum absorption of food take place? . a) Gullet b) Large illlesline

~) . Small intestine d) Stomach 92. A reactor is

a) a device for convening A.C illlo D.C . b) the eilXtromotive force in elcctricity c) an apparanis for generation of atomic energy

d) anappar.uus by which d eclricilY is generated by fricdon . 93. Which'one of the followin!: constituents of human diet gelS

nearly destroyed durin!: the process of c:ookin(ll:? a) Carbohydrates b) FaLS c) .Proteiris d) Vitamins

94. Filaria is caused by a) bacteria b) mosqullocs c) protozoa d) VIruS

95. Com kernels.e seeds and contain digestive eru:)'mc5 which convert starch inlo a) aminoacids c) mahose

88. C 94. B

89. C 95. B

90. 0

b) gluc9se d) sucrosc

91. C

11

92. C 93. 0

SUI'Q'S O.G.K. (Vol. III) 96. Chocolales can be had for health bcceuse ora hi~h conlentof

a) Cobalt b ) Nickel c) Zinc d) Lc"d

97. When there is a decrease in the concentration ofoxygcn in the blood, the breathing rate al tIlcrcases

.b) d ecreases c) first increase-s and tlu:: n decreases d) is not affected

98. The usual way of propagating Banana is a) by stem cutting b) by rool cuning c) from rhizomes d) nOlle oflhese .

99. Which of the follOwing statements in reprd to pollination in plants ill NOT corre

Sura's O.G.K. (VQI. Ill) 104. Which orthe following is grown from stem cuttings?

a) BaLl3na 0) Maize c) Sugarcallc

Sura'~ O .G.K. /Vol. Ill) 114. Concave mirron; are used as sha,-ing mirrors ~ause they

oj Do HOI diston images bJ MW:lys.prodlicc real imag~s c) Produce magnified images d). N~\'er produce invertt:d ima,ges

115. Which oflhe followi.I')g is used as a filler in rubber I}'peS? al (;rap hite b) Carbon black c) Coke d) Chaan:oal

116. The principal organ concerned in the loss of heal from the body is a) skin b) heart c) l iv~r d) nOlle of lheo:

117. When lighl passes from air into glass itexperiem:es change of a) fr~ue l1 i:y and wavelength b) fr~ucncy and speed c) wavelength and speed d) ffC()uen cy, wa,'dength and speed

118, One of the interesting features 'of viruses is thai they aJ Multiply only i ll the hosl cytoplasm b) Are made ofprmeins only c) Occur Qnly inside bacteria d) Behave in lhe same manner as planls

119. To produce sound it is necessary that a) Ihe source should execute lopgtitudinal vibrations b) Ihe source should execUle I.r.msvene \'ibr.uiolls c) the soun:e lIlay execute any iype of vibr.uion d) the vibrations' of source arc /101 necessary

120. Which one of the following acids is used for erching gl.ass? a) HIO. b) HBrO, c) H.Fl d) He lD,

121 . Which of the fallowing vita.mins aids night vision? a) Vitamin A b) Vi lamin B c) Vitamin ~ d) Vilmnin 0

122, Carbohydrates contain a) only oxygen- bJ only h)'drogell c) equal quantities of ht'drogen and oxygen d) hydrogen and oxygen in Ihe 5.1me proportion ali iUlVa lcr

114. C ' 120. C

115. B 121. A

116. A 122_ 0

14

11 7. C 118. A 119. C

Sura's b .G.K. (VOl. III)

123. In the human body. urea is produced in the a) Lh'er b) Spleen c) Kidm!}' d) Pancreas

124. A corkcxfbottle full of water when frozen will break because a) the !lottie contracts 011 freezing b) the volume of ,,':ncr decreases ou freezing c) the \ 'o lulIIC of water increases 011 freezing d) glass is a ba? conductor ofhcm

125. Cyclotron is a device which a) DeteclS and analyses the spcc'trulll of light c miucd by

stars b) Detects .he g.'elie vanation in the.imcnsity of electromagnetic

IOldialion emim:d from stan . ,c) Accelerates sub-alOmic particles using combined electric and

magnetic fields d) Measures the inccnsilY of X-rays

12:6. One important product of fennentation is a) alcohol b) water c) oxygen d) hOlley

127. The blood pressure of a YOUDS male human bein~ is a) 110/70 b) 120/80 c) 135/90 d) 1401100

128. All of the followin!!: contain minerals, except a) mits b) jaggery c) milk d) vegetables

129. As the number of animals is pond increases, the number of -plantS in the same pond . a) increase b) dccI:case e) remain Ihe same d) none of these: ~30. Dialyzer is alan

a) specjal clock \"hich indicates Ihe day and Ihe date b) apparatus used for ~hargiug batteries' c) apparatus sometimes used in patients \O'ith ddecli\'c renal

fuunion . d) meier used for controlling volume of sound

123. C 124. C 129. B ' 130. C

125. c

1.

126, A 127. B 128. C

Suro' s O.G.I

~uro's O.G.K. (Vol. JII) 1!9. Toxin is a poi$Onous substance produced'by

a) some higher planLS b) cC:l"tain animals . c) palhog~lI ic ba~lcria d) all of tlK"sc .

140. The air we inhale isa rruxtureoCgases. WhichoCiliefoliowing gases in this mixture is highest in percentage? a) G.,nlOn dioxide b) Nitrogen c) Oxygen d) Ozone

141. A substance used to destroy micro-organisms and render the material sterile is catted

142.

14!.

144.

145.

a) ;' n antigen c) an amitoxin

b) a disinft."Cta1ll d) all amill iolic

AbSence or inadequacy of proteins in the human diet, will produce all of~e following results, except a) body's defen ces against infections will weah!n b) pnxluCiion ofhannollcs needed hy the body will be impaired c) convcrsion of hcat by rhe body cells into energy. which

sustains lifc, will be impaired d) body's gro ..... th will be impaircd Which of the following act ~ a channel of transmission of. blood to lhe beart in the hunlan body? a) Anerics b) r..lusde fib res c) NCI~"es d) Veins As the number of micro-ory;anisms in G soil increases, the amount of humus in the same soil a) IIlcreases b) decreases c) remains unchanged d) micro-organisms Clo 110( play any role in. the fOntl31ion of

humus To prevenlloss of weight, plants reduce trarupirutioJl by a) shedding of leavcs b) reducing the size of J"eavt.'S c) de\'eloping hair around stomal3 d) All of these

146. Why is tungsten used in the manufacture of e1eclric bulbs? a) It has high melling point b) It is cheaper than other met3b c) II is bOlh durable and economical d) II m3kc~ tite bulb-Iiglu briglu er

139. D 140. B 141. B 142. C 143. 0 144. A 145. D 146. A

17

SUn::I'S o.G.K. (Vol. Ill) 147. 'A labourer doing heavy work requires about

aj '1,500 ca lorie, per day h) 3,500 calories pe r dar c) 2.500 calories per day d) none of these

148. In a normal human being how much time d.oes food take to reach the end of the i.nlestine for complete absorption? a) about 8 hours b) about 12 hoUl'S . c) about 15 hours dj about 18 hours

149. A fishcmtan on the bank of a pond is attcmptin~ to spear a fi sh. He should al aim above where he sees the (ish b) aim direc tly allhe fi sh c) 'ailll below the fi~ll d) none of lhese

150. Aphasia ~s an ailment which affects a) healing b) eyesight c) IIlCIll~ry d) speech

151 . Which of the followin&" is ~ mixture? al sugar h) silver c) alcohol d) air

152. How many teeth has a dog? a) 32 h) 3 4 c) 38 d) 42

153. Which oflbe following causes poliomyelitis? a) Dengue virus b) Ente roviru s e) Mumps \irus d) Rhabdovirus

154. The hardest ,ariety of carbon i.s a) coke b) gas carbon c) d. 'II11ond d) g r.lphile'

155. Triple antigen provides immunity 10 children against all of the following diseases, exeept . .. aj Diphtheria b) Polio c) Tetanus d) Whoopillg cqlgh

156. Which sugar is Qbtained from grapes? a) Lactose b) M;tltosc c) Sucrose d) C h ICO${'

. 157. Which of the following is NOT a contal:;ious disease? a) Mumps b) Small pox c) Tullcf(ulosis d) l },plioid

147. B 153. B

148. B 154. C

149. C 155. B

18

ISO. 0 156. 0

151. D 157. D

152. 0 ~

158.

159.

160.

161.

162.

163.

164.

165.

J66_

167.

Sura's Q,G.K. (Vol. III) Hard water becomes soft from temporary hardness when it is a) placed in a dark pl.~ce b) boircd c) combined with calcium hydroxide d) fihered . ' ."hen a man become!> ,ery angry his heart beats faster Why? a) adrenalin is produced b) thyroxine is produced c) too much o( bites are produced d) None. of the .abo\e Which one of the following will fall faster in vacuum? a) Feat he r b ) A wooden ba ll c) A sled ball d) NOlle of the above In a freezer, the cubes will be formed more quic~y in trays made of which of the following materials? a) Plastic ' b) Aluminium c) Silver d) Rubber ' In which fonn is the largest amount of energy received by the Earth from the Sun? . a) X-rays b) Gamma rays c) Infra-red rays d) None ofl he above How is an inverted picture produced?

a) By Je lls b) By pillhoJecalller=t c) By mirror d) None of these If a person is unable to .see objects distinctly at a dis tance greater than four metres, then he is affected by a) Myopia .~) Hypennetropia c) Astigmatism . d ) DisLOnion How is rainbow fonucd? a) Rene

Sura's O.G.K. (Vol. III) 168. Which of the following rrii:r.tures is used in an electric bulb?

a) Oxygen and hydrogen . b) Oxygen and Argon e) Nitrogen and Oxygcn d) Nilrogcn and Argon

169. What is the use ofa photometer?

170 .

a) II is used for magnifying minute objects by lellS b) It is used for measuring the intensity ofli glll e) It is used for reproducing sound d) None of the above Why are small liquid drops spherical in shape?

. a) Bt.'Cause of gr

Sura's O .G.K. (Vol. III ) 177. Which.cay goes into iron?

a) Bela Ray b ) Gamllia ray c) Ultra ... iolet d) Nonc of the above

178. What does the nucleus of an atom has? a) Protons only b) Proton and Nl!utron c) !'rolOn and Eltttron d ) Proton, Nctllron and Fleclron

179. What is th.e component in(N!dient of mothballs? a) Naphlhalene b ) Chlori nc c) lexlinc d) Bromine

180. The chemical name of table salt is a) sodium chloride b ) pou assium chloride c) ionis

SUi'll" O,G,K. (Vol. lU) 188. What is the use of bitumen?

a) For tarring the road b) to.r treating mouth cancer c) For manufactu ring slate d) N(' lIe of the above

189. What happeru to the colour of the doth..:s when ble",:ched? a) Oxidiscd b) Reduced

, c) Neillter oxidis

Sure's O.G, K. (Vol. III ) 199. What islhe principle ofultr.unicroscope?

a) Reflect ion b) Dopplercffect ", c) l ),nda ll effect d) ft:h icrefTL'C!

200. Gelatin is add~ to ice-cream to a) avoid CI),stal formation b) h .... stell freezing c) give flavour aud taste . d) n Olle of the above

201. Which one of the following is used to coat household articles? a) Lead b) Silv.cr c) Chromium d) T'in

202. T..v. anllmnas are usually made up of a) Copper b) Sled c) Aluminium d) Brass

203. Which one of the following "radioilctive clements is used in heart pacemakers? . a) Platinum b) Cobalt c) Iodine d) TrOll

204. Name t~e poison present,in lobacco. . a) Conine b) NiCOline c) nu~obrolllill e d) Narcotine

205. Which metal when placed on a palm itself gets melted?_ a) Cesium b) Mercury c) Platinum d) Aluminium

206. The cricket player catches the 5~ing ball by gradually pulling his arms back with the ball 50 that a ) He ma), Ileed 10 apply less force, b) T he ball may cOlllillUC 10 accelerate e) The ball may come 10 resl d) He may gct lime 10 apply ilion: force

207. Water for civil supplies is commonly pu~fied by a) Chlorination b) Dislmatioll c) Fillralioll d) . DccalHalio ll

208. 'Which of the following chemicals is used in photography? a) sih'cr bromide b) alum.in'ium hydlVxide c) sodiulll chlolidc d) potassmm IHlrale

209. Alcoholic drink contains a) Butyl Alcohol c ) J' ropyl Alcohol

199. B 21l1l A . 205. A 206 . A

201. 2m.

A A

b) Ethyl AkuhuJ d) Melhyl Akoh61

2JJ2 C 203. A 208. A 200. B

23

20t B

~.

Sura', O.G.K. (Vol. III) - ---

210 . Name lht: gas used for nlaking vegetable ghce. a) Nit rogen b) Oxygen c) Sulphur . d) Hydrogen

211. Which of the followin! gases finds its application In extinguishing fire? . a)

Suro's 0.G.!( (Vol: 111 ) 22.0, The function of haemoglobin in the human body is to

a) help excretion b) providc amillo acids c) provide enzymes and hormones

. d) carry oxygcn 10 \arious lissucs 221, A compound is a substance which

a) contains two or m.ore clements chemic.111y combinetl b) coritains [wo or more elemenls in any proponion e) contains two elellIcilis d) lIonc of Ihese

222. A pi~e of wire is drawn unifonnly until its length becomes double. Its resistance! will a) . be reduced to half b) becomc double c) be illcreast.-d four lilnc5 d) rcmry high transparency

220. 0 226. C

221. A m: 0

222. B 228. C

25

223. 0 224. A lli. B

Sura's O.G.K. (Vol III) 229. In an el~lronic walCh, thc,comJX?nent correspondin~ to the

pendulum of a pendulum clock is a a) diode b) balance wheel c) crystal oscilialOr d) transistor

230. In normal condition, the pacemaker of bean is in the ~ ) AV Ilod~ b) . Sino~ria l node c) Sinus Venosus d) Lymph node

231. The centre for regulation of food intake in man is located in the a) Mt.'tlulla c) Cerebellum

b) Hypothalamus d) Cerebral con ex

232. Mil~ in its ~atural form has a certain amount of sugar. This sugar I!> called a) sl1Crosc ' b) laCtose c) fnlc~osc d) glucose.

2-". While breathing, we inhale air which contains some cubon diOxide. We aJso eUale carbon dioxide. Which of the following statements reprdins the process oCbre.thing is true? a) We inhal(' more carbon dioxide than i.'c exhale b) We inhale and exha le equal amounts of carbon dioxide c) We exhale more a rbon dioxide than we inhale . d) T he carboll diox.ide gets absorbed in our system

234. E~er~ in the body is produced through the a) release of enzymes b ) release -of hom lOlles . c) lI"ansport of ox.ygen 10 the tissues d) stepwise break up of glu~ose with. the help of en zym.cs

235. A virus is an extremely small orpnism composed of a) acelic acid ~nd carbohydrates ' 'b) nucl~ ic acid and c.1.rbOhydr.lles . c ) acetic acid and protein d) nucle ic acid ",ld protei n 236~ W~l1en clothes ue wanner than the cotton ones because

a} they arc better absorbers of heat b) they are belief insulators o f heat c) Ihc..:y arc beller radiators of heat d) thL,. a rc hc.1.vicr than cOllon d Olhes

m . c . 235. 0

230. B 236. B

23 1: B 232. B

26

233. C i3,1. 0

Sura', O .G.K. (Vol. II!) 2!7. The type of motion performed by the needle of an ordinary

sewing machine is a) oscillatory . ,

b) rot;nol)' c) translatory d) ' both (a~ and (c) simultaneously

238. Things weigh less on the J:Iloon than o~- the eaMh because a) the force of gravity on the moon is more than thai 011 the

eanh .

b) there is np lIloisture 0 11 I.he llloon e) . there is no force of. gr;:wilY on the moon d) Ihe force of gravity on Ihe moon is less than Iha! 011 the

earth 239. Which oCthe following is the best source of vitamin A?

a) Apple b) Carrol c) Honey d) Orilllge

240. For making electrie wire, *by is copper used? iii) It does 1101 melt easi~' . b) Electrons becoille readily avail.1ble i.1l il c) II llils good Ihermal conductjvity . d) It i$ more durable

,

!4J .. Small drops ofa liquid ~re spherical in shape because a) lhe surface eneIX}' is maximum for the sphericill shape b) for 'a given volullle, the surr.1ce area of a sphcre is maximum c) lbe surface energy is minimulIl for the spherical shape d) the earth attracts all the particles oflhe drop equally

242. Which one of the following glands controls lite development of sex organs in humans? a) 11IYroid ti) Pituitary c) Pancreas 'd) Adre!1.11

245. Which of lite following organisms causes tuberculosis? a) Pro tozoa b) C

Sura's O.G.K. (Vol. IU) 245. Lime is sometimes applied to soil in order to

a) increase theacidity of die soil bj restore nit rates to the soil c) i I1crcase 'he alkalin it}' of IIIC ~oil d) make the soi l more porous

246. A body that absorbs all the cOJ.lsistent colours of light will look a) Hlue c) Black

b) Browll d) \%ile

.

247. Water pipelll burst in severe winter at hill stations because a) they contract 011 cooling

.. b) Willer i ll the pipe col\lr.\cu on freezing c) Water in the pipe expands on freezing d) pipes expand 0 11 cooling ..

248. The presence of which of the followin! salts in water causes corrOl.ion in steam boilers~ a) Calcium bicarboll,lI e - b) loolagm:siulII chloride c) Potassium bicarbonate d) Sodiumchloride

249. The putrefaction of animal remains is brought about by the action of a) baCleria . b) cliz}, lIles c) illsects ~) sunlight

250. The colouring maUer in the procl;!55 of bleaching. of textilelll by the use of bleaching powder geta a) absorbed b) displaced c) oxidised d) reduccp

25 1. The uleofwhich oftht: followingdevic:es has given the modem biologist a beuer insight into ~c intcrnalslructure of cells?' a) Cwnputer b) Electron microscope c) Spt.oCtropholometer d) Uhracemrifuge

252_ The correct increasing order of abundance of the mam components of air is a) oxygen. nitrogen. argon b) argon. oxygen. nitrogen c) nit rogen, argon, ox}'gen d) nllrogen , ox}'gen, argon

245. (' 246. C 247. C 248. B 249. A 250. C 251. B 252 B

28

SUI'Q'S O .G.K. (Vol. Ill) 255. Water is a compound because

a) it comains hydrogen and oxygen -b) it exists as a solid. a liquid or a gas c) il con~aills ()Yo diffcrem elements joilled by chemical bonds d) it canllot be splil up illla simpler suustances by chemical

means

254. For beiDA: able to see three-dimensional pictures., we have to use a) binoculars b) a camera e) an epidiascope d) a sferroscopc

255. Rinporm affects a) TIle bone tissue"orilic body b) Epidennallissue orlile body c) Respiratory system oClhe body d) None of these

256. Acupuncture means a) grafting Qf skin by surgery b) . removal of dead tissues c) therapeutic insertion of needles d) scanning fOT location of mmOll1'S

257. Wfticb of the (oUowinz: acts as an insul~tor _-illSl heat. cold ' ~ as a shock absorber in the body? .) ""Epidermis b) SubcUlaneous fal layer c) - Dennis d) Endodemlis

258. 1;'he plants stop both respiration and photosynthesis rOT some time .) during daytime h) during the uighl c) at dawn d) during twilight

Z59. The walls of a thennos-bottle are polished to prevent a) absorp'lioll h) (ollvC(tiOIl c) COII~U(lioli d) ~diatioll

260. Which one of the folh:!win~ is not a disease of the plants? a) Bligilt . h) . Rinderpest c), -Rust d) Wil!

261. Four balls of the same mass., but made of different metals., are exposed 10 sunlight. Which one of the balls made 'of the following metals willlef. heated most? a) Aluminium b) Iron c) uad d) Zint 253. C 259. D

254. D 260. B

255. B 261. C

29

256. C ' 257. B 258. D

Sura'. O.GK (Vol. III) 262. The thyroid t:land in the human body is localcd in/neartbe

at neck b) 5plcCli c) abdomen d) "mlpit

263. The unit fot mCaJlutemenl of energy produced by food in the hwnan body is called a) Cl lorie b) ohm c) ampere d) wall

264. If the dislance from a source of light is halved, the intensity . will

a) also be halved c) be doubled

b) remaillihe SilillC d) be quadruplt!d

265. The sun rays falling on a thin film of oil spread over a water surface breaks into diffe'rent coJouu. This is due to aJ intcnerence . b) poL1riS

SUrQ', O .o.K. (Vol. 1l1) 270. The con6ervation of hawks and owls i, important lomankind . chiefly because these birds eat

a) numerous weed scros b) hannflll birds e) many hannfu l rodellls d) hanufnl reptiles

271. If the plane of the earth's equator were not inclined to the plane of the earth's orbit, a) the year wou ld be lo nger b) the winters ','ould be 100.lgcr c) there would be no change of seasons d) lhe summers wouldbe warmer

272. Which one of the following element .. is least likely to be found in commercial fertilisers? al Nitrogen b) Phosphonl5 c) PotassiullI d ) Silicoll

273. An element found in all organic compounds is a) Oxygen b) C.,lcinm c) Nitrogen d) Carbon

274. Which of the following is a physical change? a) Oxidation b) Reduction c) Dt.-comJ?Osition d) Sublimation

275. Friction can be reduced by changing over from a) sliding to rolling b) rolling 10 slidiilg c) potential energy 10 kinelic energy d) dynamic 10 stalic

276. The working of a rocket is based on the principle of a) ElectricilY b) Kepler's law c) NewLOu's law

. , d) Conser.alion of momentum 277. The buo)'ancy depends on

a) Ihe shape of the body b) lhe massofthebody . c) Ihe inass orthe liquid displaced

... d) the dePth 10 which Ihe body is immersed 278. If speed of rotation ,of the earth increases, weight of the body

al IIlCreaSC5 b) remains unchang(.-d c) decreases d) may decrease or im.rcasc

270 . . C 276. D

271. C 277. C

272. D 278. C

31

273. D 274. D 275, A

,

Suru's O.G.K. (Vol. III) 279.

280.

281.

282 .

283.

284.

285.

286.

Steel is more elastic than rubber because a) it! demit)' is high b) it is a metal c) rat io of stress to stra in is more d) ra tio. of SlresS to stra in is less Which or the rollowing is based on the process or fusion? a) AlOm bomb . b) Hydrogen bomb c) Ordinary bomb d) Napalm Hybridisation is a) downward 'lIlovemen! of water through soil b) a process of tilling the land . c ) decayed vegetable mailer d) ctossfertil isation betw~n Iwo \'arielies Of the following foods, which one is the.best sou.rceof protein? a) Bulte r b) "'5h c) Lcnllce d) Milk. . With ihe present-da,.: ,ad"'ance in medical techniques, transplants are possible in aU or the following except a) artery b) bone c) com ca d) kidney A transistor is most Likely to be found in a a) fu se b) fiuore!ICent lamp c) hearing aid d) wr1,st ~;lI ch A person born with the inner ear m.i.ssing a) ,",'Quid not have the Eilstachian tube b) would nevcr be able 10 hear soulld c) wOldd be able to hear only with an eI~tronic hearing a id d) could only hear a loud explosion The po55ibility of hereditary variation is greatest when a) sclf- r~rt i li s.' t ion occu rs. as in SOllie plants bJ an abund am ;11110 11111 of food is p rovided fo r die egg c ) orgauisms n-pnxluce sexually d ) org111lisllls n::p nx .lucc asexually' An clectric bell is placed inside a bell jar which is Co~k.'CI to ' a vacuum pump. When the bell jar is complete ly evacuated a) 110 sound can be heard b) the loudness of Ihe sound will remain ullch allgcd c) the loudness of the so und will increase d) the loudness oflbe sound will decrease 279. C 285. B

281). B 286. C

281 . D 282. B 287. A

32

283. B 284. C

Sura's. O.G.K. (Vol. 111) 288. Rowan the spherical aberration ora human eye be corrected?

a) . By using a cylindncallens b) By using a plano-convex lcns c) By using a thin lens d) None of the above

289. Astiptatism (ofa human eye) can be removed by using a) concave lens b) convex lens

c) cylindrical Jens d) . prismatic IeI!S 290. Primary rainbow is formed when light suffen

a). ~o internal refractions before emerging out of the drop b) one internal refraction before emerging out of the drop c) ilO illlernai refraction d) either one or two internal refractions before emerging OUI

ohhe d~p . . 291, Liquids transmit pressure equally in all directions. This is

known as a) Boyle-P:iscal's Law b) Pascal's La", c) Archimedes Principle d) None of the above;:

292. On sudden cardiac lUTest, which oCtile foUoWutS is advised as .1! first step to revive the functionins of human heart? a) Mouth-to-mouth resuscitation

b) Giving external cardiac massage c) Sprinkling watc(;on the fuce d) Giving cool water to drink

'295. Escape velocity of a. rocket fired from the earth towards the moon is. velocity to get rid of the a) earth's gravitational pull b) moon's gr.lvitational pull .c) cenuipetal force due to 'he eanh's rOlalion d) pressure of the atmosphere

%94. Which of the following acts as a resistance apin.. disease in the body? .) CarbQhydrates b) Red corpuscles c) Vitamins d) White'corpuscles

295. 'The chiefpurpose ofcrop rotation'is tocheck the lou of topsoil a) by water erosion b) by wind erosion c) by weathering d) of its mineral content

288. B 294 . . D

289. C 290. B 295. D

33

291. B 292. B 293. A

-

SUf'Q" O.G.K. ('hI. III) 296. Mirage observed on a road o:n hot summer d~ys is a

consequence of . a) intcnlal reflection oflight b) polari13tion c) diffraction of light d) refraction oflighl

297. Which of Ihe followinz: in the human body is popularly called ! .the 'Adam's Apple:'?

a) Adrenal c) Thyroid

b) Liver d) Thymus

298. When a moving bus slops suddenly, the passengers are pushed forward because of the a) friction between the earth and the bus b) frinion bctv.'et!n the passengers and the eartll c) inenia ofthcpasscngcrs d). ineniaofthc bus

299. An eye defect which usually results fron:- an unequal curvature of the come a is a) .nearsightedness b) astigmatism c) colour blindness d) night blindness

300. A phoro-electric cell converts a) sound energy into electrical energy b) light energy il~LO ~Iectrical cncll,,}' c) an elenrical signal into sound wa"cs

. d) electrical energy into light energy . 301. Which of the following sounds cannot be heard by human

. ear? a) 300 vibrations/sec . b) I.OQO vibr.iliolls/scc c) Id,OOO vibralions/sec d) 30,000 vib"rations/scc

302. Pressure cooker cooks rice faster because .,~ a) it always letS the steam escape

b) high pressure crushes ~he haf1l covering of rice graips e) it does not let the heal energy escape easily d) high pressure raiSl..'":S the boiling poim of water

303 . The reaction which converts sup!" solution into alcohol is an example of a) saponification b) hydrogenation c) fennentation d) hydrolysis

296. A 297. C 298. C 299. B 300. B . )01. D 302. D 303. C

34 ( - h Jd

".

Sura's O .G.K. (Vol. III) 304. The Rb factor refers to

a) a protein substance found ill the hlood of sOfTIe people b) a hOllllone cllrried by the blood . c) the ratio of red co'1>usclcs to white corpuscles inlhe blood d) a process lhal speeds up the dOlling ofb[ood

305. 'The greatest value oChees to mankind is in a) . supplying of food for birds . b) ensuring poll inatfoll of cenain crop p[aJits c) storing hOllcy for mall's usc d) furni s hin g beeswax nceded in Cl' rlalll specialised

industries 306. Penicillin is Widely used as

. a) . an antiscptic b) adisinfcctalll c) .an antibiotic d) an insC/:licide

307. Excessive scaetion from the pituitary gland in children resuJLs

'" a) increased height b) retard(-d growth ,c) ,:,",cakening of bones d) nOlle of the abovc

,

308. Wei&bt ofanobject put in a satellite orbiting in space around Iheearth is a) tile same as Oil the canh b) slightly. more than that on the eari h c) Icss thallthal on the eanh d) reduced to zero ' . .

309. In which of the followin& pairs, 'the two substances forming the. pair are chemically most dissimilar? a) Sugar alid paper b) BUller allc;l paraffin wax c) Chalk and marble d) Charcoal and diaiuolld

310. In which season do we need more fat? a) Rainy season b) Spring c) Wimer d) Summer

311. Which out of the following organs does not eliminate waste

.

,

products from 'the body? a) Large illlcstinc c) Kidney

b) li\'er d) Skin _

J04. A 310. C

305. B 31 1. B

){)6. C YJ7. A

35

308. D m. B

....

" Sura' s O.G, K. iVol. lJI) ~ ,

312. Superconductivity is a phenomenon in whicb the resistance of a .!Iubstance a) illcrc;Jses wilh lemp

Sura's O.G,K. (Vol. Ill) 319. Small amounts of iodine are necessary in out" diet to

a) prevent pellagra b) ~ompensate for underactivity o.f the thyroid gland c) stimulate d Olling of blood d) stimul,atc pituilary gland

320. The accoustical ensineer is chiefly concerned with a) amplitude b) frequencies c) loudncss d) l"C\croeratiOlls

321. Photophobia is a) a disease caused ~y 100 much sunlight b) abnormal illlolcrance of Ii gill . c) the '1-djusullent of the eye for light d) the ability 10 perceive light

322. Cancer in disease which .) cannot be spread by those who have it b) is. found only in human beings e) develops only in certain organs of the body d) is passed from generation to generation

323. The moon has no atmosphere ~use a) no all1lO5phere ever fo roled there b) the rocky surface completely absorbed the gases c) due to me low temperature. gases have condensed

d) its gravitational pull is not strong enough to hold ant~ atmosphere .

!24. Rows of trees ~ along the coastal area. to reduee the impact of cyclone. are known a. . a) Wind breaks b) PTOlcction forests c) Mangroves d) Sheller belts

. 525. The element of an electric stove i. made of a) copper b) invar

c) m.agnesium . d) nichrome 326. When c~ is separated from milk

a) the density of milk decreases b) the density of milk increases c) the density of milk remains unchanged d) il becomes ', Iore viscotl!

319. B 325. 0

320. D 326. 0

321. B 322. A

37

323. D 324. 0

Sura'. O .G.K, (Vol, III) 327. For dixestion offat, bile is needed. This is secreted by the

a) siomach ' . b) , piluital)' gland c) p~IICrcil5 . d) livcr

'28. All ohhe'following are plant products except a) cork b) hemp c) ' silk d) lincn

329. Which of the following diseases is generally spread by fleas? a) Small pox b) Tetanus c) l yplms d) YellO\v fever

330. Most commonJy W;f!d bleaehing agent is a) alcohol b) cilrlx)!} dioxide c) chlorine d). s odi~llI chloridc

331. For purifying drinking water alum is used a) for coagulation of Illud particles b) 10 kill bacteria c) 10 rcmO\'e saiLS d) ' to relllOllC gases

332. A weather balloon is not full" inflated on the &mund because a) iflhe 'balloon. is fully inflated." llIay not ~main s!,ab!e ill a

storm b) the air inside lhe balloon expands as it rises and may burst e) il cannol withstand the outside pressure iffully inflaled, d) None oflhese

333. Vitamin BI! is most useful for combatins a) anaemia b) goitre c) lIighl blinduMs d) rickets

334. On a night when the l!ky is clear, the lemperanu:e may.dip considerably; on a cloudy niXht, the temperature will usually dip much less. The reason for .this difTere~ is that , a) rhe clear ~ky allows radialll ellergy 10 escape readily from the

earth b) on a cloudy iliglll Ihe clouds are wann and thercJorc ~Iard

the cooling c) . the d ear sky allaws the cold of oUier sp~ce to reach Ihe eanh d) l'urrcnts of air carry the hem a"'ay from fh e eanh ~n a clear

night

3n. D 333. A

328. C 334, A

329. C

38

330, C 33'1. A 332, B

..

,

.,

Suro's O .G .K. (Vol. III)

335~ Different (onns of.a (:hemicaJ element are called a) 3niol15 b) "l1orroph~ c) kc~oncs d) buffers

336. Which one of the following may be reganJed as hauu-dous waste? a) Any ""aslc which exhibits ignilabiJjty. corrosi\'jl},. reactivity or

'toxicity b) Agticuhural wastes from dHlhse, I!ou-poiur sources

. c) ' Excreta from dairy r.,TffiS, pig farlll s and poultry f.mns d) Dom~stic sewage '

357. Soda water is saturated with which of the followin! gases? .) Carbon dioxide b) Carbon monoxide c) Ammonia d) Sulphur

. . . . .

338~ Which one of the .followinz: is r"e!lponsiblc ror avalanches in snowclad mountains? .. it} Its OWl! weight which irlls accumulatt:d to such 3n cxtelll that .

sliding rakes place b) Mdling orice due 10 larger amOll11l orsolar energy absorbed

at higher altitudes c) Melting orice due 10 high velocity wind in the upper. reaches

of mountains d) None of the abo'"e ~J9, Which of the following parts of the sunlight makes the solar-

-cooker hot? a) Vllr~wiol et b) Red light rays c) Infrared d) Cosmic mys . ~40, A person cJimbin~ the hill bends forward in order to

a) avoid slipping bj increase speed ' 0;::) reducefatiguc d) inCrL'llSC stability

341, For a satellite 10 remain in orbit around the earth a) the eanh's gravilalion IIlIIst be iL-ss than the centripetal force

needed to keep it ill circular orbit b) the gravitation of earth and moon lIlust exel1 equal forces

on the satellite . c) the e~nh's gr:lVilation mqsl be e

,

Suni& O.G.K (Vol. Il l ) H2. A small weight puton a pressure cooker increases the pressure

of the steam bec:ause a) it is ai r-ught b) areil of contact is very smil ll (!) dcnsity of melal is very high d) pressure bu ilds up

H'. Whic h oLlhe following is used in the recently develop! technology for communication? a) Optical fibre b) Glass fibre c) I:"iy loll fib re - d) Quam. fibre

344. Nights are cooler in the desen bec:ause a) 5.111(1 radiates heat less quickly as compared 10 the eardl b) sand rndiale5 heat more quickly as compared 10 the earth c) sky IS generally clear d) cooling effeci ofilte nighl 1110011

;145. Common (!old is caused by a) Bacteria c) Virus

'46. When a ship floats on waler,

b ) Vitaniin deficiency d ) Microbe

a) thc mass of \>'a ter displaced is more than the mass ohhe ship b) it displaces IlOW

I " SUrQ's O .G.K. (Vol. III) 351. Which of'the following is called king of chemicals?"

aJ Oxygen b) Sulphuric acid . ~) Diamol!d d) Hydrochloricacid

352. Chlorination of potable water is carried out 10 a) to remove roncll fish smell b) kill germs

. c) render hannle5s minerals present ill water d) to remove tracts of hydrogen peroxide ~53. One ofth~ most natural nitrogen fixation is by action of

al Rain waler b) Lightning c) Ultra-violet rauiatioll d) Iufra-red radiation -

354. Tincture of iod~.ne is ~sed a5 an antiseptic. It is a solution of iodine in a) Waler b) Bromine c) Alcohol d) Hydrogen peroxide

355. When the door of an operating refrigerator is opened, the temperature of the fOOm will aJ

,

Sura's O .G.I(. (Vol. Ill) 36U. Frequency o(theA.C. mains in India is

a) .10 cps h) 60 cps c) lOOcp s d) 120cps

361 . Given below arc two statcnlenl5, one labelled as Assertion (A) and the other labelled as Reason (R): Assertion (A) : HOf tea placed in a thennos flask .. should remain

hot for ~er.ll hours. Reason (R) : Heat rays canllot PllS! through vacuum. In the context of the above two statements, which one or the followin~ is correct? a) BOlh A and R are tme and R is the COIT/XI explanation of r\ h ) Both A aud Rare tmc, but R is nO( a correct explanation of A c) A is truc, but R is falst: d) A is false. bUI R is true

362. During a journey from earth to moon and back, the ,,"eatest energy required from the spaceship's rockeiis to overcome a) the ~loon's gravity at lunar landing . b) die earth 's gravity at. take-off . c) the moon's gr.wiiy at take-ofT d) the c,mh's gravity al re-entry into the aunospllerc

363. The same notes being played on the Sitar and Veena diffcr in a) Quality b) Pitch c) Neither qualit ), ,ior pitch d) BOIh quality and pitch

364, Injet aeroplanes the fuel used is a) dit$cI b) petrol c) kerosene d) akohol

365, What happens when you blink? a) the iris changes $ile b) the coniea is washed c) yOIl ~ sight is focu'sse:d d) your sight is rested

!l66. Treads on the shoo soles are made to increase a) Slrcngih h) durability c) frinion d) elasticity

367. Energy isdiiectly or indirectly recei~ from a) Moon b) Sun c) S IOI N d ) Waler

300. A 366. 0

361. A 367. B

362. B 363. A

42

364. C 365. B

Sura's O .G.K. (Vol. Ill) =. 368. ~ode-:n forensic scientists are using a most rec:endy developed

tool namely , a) N MRilOaging . b) t:nz}'I llology c) DNA Fingcrpril1ting d) Ultra Sound

369. What is a biofertiliu:r? a) A quick growing crop whiwllcci ami ploughed under rhe

same field to illcorpor;uc into the soiL . . b) ROLH .. 'ti 3l1imai aud vegetable rdusc c) . Mixture of cattlc dung and crop residues

. d) Nitrogen-fixing micfO..OI-ganism wliich CiU~ cnrich soil 370. It has been a-very old practice in India to prepare pickles

without addin! any chemical preservatives. What is the m~in factor that prevents spoilage of such pickles by micro_ organisms? a) Oil h) .. Chillies c) Coriander d) .. Salt

371. A characteristic gas smells near the unclean public urinals . . Which is this ps?

a) ,Ammonia b) Chlorille c) Sulphur dioxide d) Carbon monoxide :

372. Milk has sweet taste of its own due to a eertain sugar present ip it,. whereas, the curd prepared from I1l;ilk is sour. This cbahs-e involves conversion of a) Sucrose imoS\lccinic acid b) Glucose illlo s:!ulaminc c) Fructose into fumaric acid d) L1ClOse into lactic acid

573. The purpose of ruse wire in electric installation is a) 10 prevent the building from damage whcn high voltage'

current n OW5 . b) 10 protcct the building from lighting discharge c) to savc on electricity . d) Ilone of thcse

374. When you eat asparagus, you are eating a) toots b) . stems c) leaves d) flowcrs

375. The characteristic odour of garlic i!l' due 10 .a) a chlonh:ompound b) a sulphur compound c) a nuorinc compound . d) acetic acid

368. C 369. D 370. A 371. C 372. D 373. A : 374. A . 375. B

43

SUI'O' S O _G. K. (Vo l. . lIl)

S76.

377.

378.

S79.

380.

,

381.

382.

Which one of the following has Ihe highest fuel value? a) Hydrogdl b) C:harco.1l c) .'Jarunl gas d) J;asolinc Which one of Ihe following i~ used as an anlifreexe for Ihe automobile engine!!? a) Propyl alcohol b) 11];1[101 c) Methallol d ) Eth)'lelle~g lycol Which one of Ihe following is cultivated by transplanting seedlings? a) Maize b) Sorghum c) O nion d) Soyabean Which ,?nc of Ihe follot(ing would be most suitable for use in boiler~? a) \\~ter from a lake .b) Pond waler c) . Raill\.ltcr d) Ri\'erw;lIer Consider Ihe following statements: Assertion (AI: Hardness of water is d ue 10 the presence of

calcium and magnesium ions. . Reason (R) : Calciul\I ana magnesium ions form insoluble

salts wit h soap. Ofthesc stalcments: a) Both CA) and (R) are 100e. and (R) is the correct explanalioll

of (A) .b) Both (A) and (R) are tme, Inll (R) is not thecorrect explanation

. of (A) e) (A) is [lUI';, but (~ ) is false d) (A) is talse. but (R) is U'ue Which one oCthe C",lIowing does not pollute atmospheric air? a) CarlJou 1l1onoxidc . b). Hydrogen sulp hide c) 1"ilrogcn d) C&Jrbon dioxide Rising or setting sun appears reddish duc to the fact that a) Oiffraction caust's f e

Sura' s D.G.le (Vol . 111)

383. The sense of smell would be: affected by injury to the a) oculomOlor nerves b) oplle uerves c) trochlear. nenes d) olfaclot)' ncn 'es

384. Potato is a rich source of a) Vitamin C , . .

c) Vililmin A 385, Pollination i.

a) rhe tTansfer of pollen b) the sanie as fertilisation c) reduction divi~ ion

b) Vitamin D d) Cakium

d) characteristiCs of algae and fungi 386. Match List I with List II arid select the correct answer by usiJll

the codes r;iven below the lists: List I

A) The colour of ink B) Gly~erol C) Paint D) Paper Codes:

A .) 3 b) I ') I d) 2

B I 3 s 3

C 2 2 4 I

List II ~) Organic compounds of Fe 2) Linseed oil 3) Byproduct of soap 4) Cellulose

0 4 4 2 1

587. The eellula .. phone system (Mobile Communication System) I has a basie operational buildinr; block. It is a

.) Transmitter bl Subscriber c) ~II d) Radio base sial ion

588. Consumption of milk containing strontiumgo may result in a) anemia b) ricketS c) hyperthyroidism . d) . calcium replatemelll

389. A large iceherr; melts at the base but not at the top. because a) the base of the iceberg remainsin warmer surroundings b) ice allhe base contains impurities e) due to higher Pres5Ufe, icc at rhe ba~ IOh'~ its melting

poim d) ice al the lOp is ora different kind

383. 0 ~84. A 3&5. A 386. B 387. C 388. 0 389. C

45 "

"

..

$"",,'. O .G.K. (Vol . III) 590. What will be the brakins force to stop a car within the same .

distance when its's~ is doubled? a) Four limes b) Twice c) Half d) One oilrth

391. On which of the (oUowins: technolo~es does the photostat machine work? a) Magnetic image-making b) Thennai image.making . c) Elt."C llUSlatic image-making d) ElcclrolllagnClic image- making

_ 392. Which ofthe'ollowins: is thesize of the commonly used floppy diskette? a) 3'h" c) 1"

b) 5" d) 3"

393. Which oCme followinz: is true when we Sft: II rainbow? a) T he sun and the rain drops are in front of us . b) T he sun is behind lIS and the ra ill drops in ~rolll orus c) We r.,cc the sun when it is drizzling d) The sky is clear and the SUliiow inlhe sky

. . 394. Why-is direct X.ray phofognph of'the intestines no,t ,cnerally taken bY,1I ntdiolosilt? .) The if!.tcslincs Rlay burst on exposure to X-m ys b) X: rays would not pass through the iillestilfes. c) X-rolYs pass Ihrough ttic in!cslines withollt g iv.ing a good

Image d) EH:n \'cry small cxr.Osure of X-rays may cause canccr of the

. .

mtcsUllcs. . , 395. What is the normal blood sugar (fasting) range in mgldl or.

healthy human beins:? a) 'IO GO b) 120 150 c) 70 -"100 d) 160-200

396. Nar:.ne the hormpne appetite. a) H, H c) Appetill

which increases bunger ror '.'lore

b) Orexalogin d) Ort'"Xis

3SU. A 391 . C 392. A 393. B 394. C 395. C 396. D

46

.-

, .. .. ., . . \:~

. . ..

Sura's O.G.K. ('hI. III) 397. Consider the following statements:

ASsertion (M : The amount of sunlight incident 011 any place on the Eanh is the greatest at noon

Reason (R) : TIle sun is nearest to Lhe Earth at noon. Of these ~tements: . a) Both A and R are true and R is the corrcct explanation of A b) Both A and R are true but R is nOllhe cOITCCll.."Xplanation of A c) A is true but R i~ false d) A is fulse but R is true

398. Whieh,one of the following methods would.be most suitable . for purifying water containing suspended impurities?

a} Sedimentation and filtration b) Treatment with bleaching powder c) Aeration d) Distillation

599. Which of the following are nilrogenous fertilizers? I. Calcium cyanamide D.. Urea W. Bone ash Iv. Ammonium sulphate Select the correct answer using the codes &i\len below: Codes: a) I, II and III c) II; lit and IV

b) T. II and IV d) I. III and IV .

400. Which mine:nil is NOT dis50hed when ~n vegetables are k- .. , coo .......

a) Potassium c) Sodium Chloride

b) Cakium d) Tron

401. Afuse is used in maineleclric supply aJI a safety device. Which one of the following statements aboullhe fuse is corr~t? a) Il is ~ollnecled in parallel with th~ main switch b) It is made mainly from silver alloys

c) Il must have a IOI\ mclting poilU d) It must have a Yer}' high resistance

402. Whit;h of the followin~ j.":ause eutrophication of a water body? L .Domcslic.waslc n. Poisono\l~ mel ""Is m. Agricultural runoff Iv. Nuclear wasle Select the correct answer usi.ng the codes &iven below: Codes: a) I.and II e) I and III

b) d)

III and IV II and IV

3fJ7. A 398. C 399. B 400. D 401. C 402. C

47

Sura'. O.G.I(. lVol. HI ) 403. A lighted tcandle gets extinguished when c;:overcd with a

tumbler beuuse . a) the supply of air is CUI off and ,tic n;me goes out b) the supply of oxygen is (ut off and the flame goes oul c) the tumbler has an eXlingu islling elTecl 0 11 [he fla me d) none of these

404. Air i, blown o.ver a hal body' 10 cool it. This would increase the rale of he a.!. loss by a) ~Olldllclion b) rad iatio n and convection c) COIIVCClio~1 d) condm;lion and COll\'ect iOB

405. Consider the following ,tatemenUl: O ld table fim s often Start. ",alking. This is d ue to I. unhalanced blades II. axis ohlle blades 1I0t beillg tnlly horizonta l Ill. excessive friction IV. lncreased air resistance Of these statements . a) I and II are correct b) II and III are correci e) III and IV are COITCCt d) I .utd IV a re correcl

406. A rifle with muzzle velocity of 1500 .m/see shoots a bullet at a .small target 150 metres away. How high above the target must. the rifle be aimed so that the bullet hits the target? a) O.OCIl1 b) ~ .9cm . c) 9.8cm d) 98.0 ( Ill

407. Given below are two statements, one labelled as Assertion (A) and the other l.belled as ReaSon (R):. . Assertion (A) : Woolle n c1odl~ i f washed in water I05e theiT

abilitY.lo provide wanritlt Reason (R) : Wool fibres chemicaily ~aci with " '

Sura'. O.G.K. (Vol. III) lIOS. Which one of the following statements reptding a rainbow i.

correct: a) It is always seen as an arc or a circle b) Tbe order of colours is always (rrom the top to bon om as

seen from !he ground) Violet, Indigo, Blue. Green. Yellow, Orange, Red ' .

-. c) The order of colours 15 always Red, Orange. \ 'ellov., Green, Blue. Indigo, Violet, top to bottom as seen rrom the ground

d) The order of- colours can he cidll:r violet to red or red to violet depending IlpOIl the lillie' ofth~ day'

409. Acetyl salicylic acid is used as a) Pain'reliever b) Paint c) Fertilizer d) Cooianl

410. The wQrking of the receiverofa telephone depends upon the a) change in magnelisalioll or an clpctromagnct. whicli causes

a diaphragm to vibrate . . . b) efficiency of the loudspeaker which enhances the lo udness of

sound c) con .... ersion or electric signal. aflC~ r its amplification inlo sound.

wave. d) diaphrag.m which is made to \'jbrale br Ihe illcol.ning soulld

wave.

41,. Usually li,ht travels faster than sound. However, when we iwitch a television set on, the picture comes later than sound. The.reiuon il that a) in 'TV transmission sound is transmitted fi rst and piclure is

tran~mitled later b) there i5 always a d elay ill the p icture tube gelling swi tched

on c) emission of electrons from the picture tube la.cs time

~) the wiring for picture tube is much longer compared to that ror th~ speakers

412. A tail attached to the kite fiyin, in air helps . a) the 'kite IQ rea'ch greater heights

b) to increase the tension ohhe string e) to reduce the tension or the S!ri!lg d) 10 check sudden irregllla'r movements in air '

408. A 409. A 4\0. C 411. C 412. D'.

49

Sum's O.G.K. (Vol. JII) 413 . Which one ohhe f0110\\ing is NOT a mosquito.borne disease?'

a) Dengue Ft'\'er b ) Fil:lriasis -c) Sleeping sickness d) M:lI;lI; a

414. Seedless fruits are formc!d due to the influence of a) colchicine b ) sucrose c) hormones d ) pure linolein

415. Dehydration in human body is caused due to the loss of a) vitami ns b ) salt c) ' hormones d ) \

. '

. .

Surd. O.G.K. (Vol. Ill) -422. Which o(the following are pollutants that a traffic cOnstable is

likely to inhale? I) Carbon monoxide 2) ~ad 3) Sulphur dioxide . 4) Oxides ofn'ilmgcll Choose the correct answer from the codes ~ven below: a) 1,2and3 b) 1,3alld4 c) 1,2and4 d) 2.3and1

423. The presence of moisture in -atmosphere can be ascertained by. observing waler .drops outside the surface of a steel glass filled with a) hOl milk c) (old water

b) hOi water ' d) ordinaryw;uer

. .

424. Which oxide of nitrogen is used as anaesthetic? a) Nitrogen dioxide b) Nilncoxide c) ' Nitrous oxide d) Nitrogen pentoxide

425. Hardware is related to a) CalculalOr c) Acids

426. Pape:r is chemically

b) Dress items d) Computer

a) .Cellulose b) Glucose " c) Rayon d) fui)'Villyl chloride

427. A piece .of stone is thrown hori,wntally from a heijll:hL The ... path of the stone will be a), ~orizomal b) vertical c) circular d) ~ur.'ed but not circ,ular

428. IFweplace hand under an electric lamp, hand will receive heat by the process of a) conauClion and convection b) convection c) convection ~Ild radiation d) I"ildiatioll

429. Water in a beake,r at room temperature is poured on a slice of ice at IO'C. IFthere is no change of heat coming from outside. then the WliI!ter will a) cool to 4"C, bUI no ice ""ill mel! b) cool 10 (IOC and some icc Will mel! c) become ice at Q"C d) slightly cool

422, C 428, D

423. C ,429. D

424. C

51

425. D 426. A 427. D

, .

, .

Sura', O.G.K.

Sura's O ,OX. (Vol, III) 459. lfthe ...dius ofa circle be: doubled, its area will be:

a) Same b) Doubled c) TIlrtt limes d) . RJur times

440. The dress made oul of " 'hieh material is safe 10 wear while eookin,: .) eOllon b) si lk c) nylon d) overcoal made OUI oflerylene

441. 'Heavy waler.' is used in a) making soft drinks b) alomic reaclors

. . e) car battery d) .hospitals for drinking 442. The lowest fal pereentas:e is found in the milk of:

.) buffalo b) goat c) cow d) aunci . .

443. Ban beari"" are used in cydes, scooters, ~obikes etc. 10 a) reduce friclion between wheel and axle . b) increase friction between wheel and axle e) .loreduce friction belween ground and vehicle d) to reduce ar.ea of contact bet,:"een Ihe two surfaces in

contact 444. 9imate is an important physical element because

.) it indicates Ihe atmospheric conditions ofhcat. moisture and air circulation

b) it plays a dominant role in shaping vege~tion ,and soils c) il determin~s the mode of human life all over the eanh's

. ~urface . d) il ultimately affeclli all fonns oflifc

+45. Name-plates made of bra5s gel discoloured in air because of the presence of whieh of the folI9wing gases in the air? a) Oxygen b) Nitrogen c-) Carboll dioxide d) Hydrogen s~lphide.

-446. Mosquil0e5 can lay eggs on the surface ofwa(er. But.when oil is sprinkled on the surface of water, mosquitoes cannot lay eus because ' a) surface tension ofwaleJ" is increased . b) viscosity of water increases

, e) surface tellsion of water i ~ decreased . d) water..oil mixlure aCIli as a mosquito repelJant 439. 0 445. C

440. 0 446. C

441. B 442 . . B ,443. A

53

444. A

\ ~ ,.

~SU="~.~OCG~'C ~(VC'O\.CIC"") ________ c-______________________ ___ 447. When . -soap bubble is charged

a) ils radius increases b) lIS r.l.dius decreases c) its radilis'remains ullchanged d) jt collapses

448. The ozone layer of me earlh is useful for living beinS's because a) II serves as the source of oxygen by decomposing air-b) It maintains the nitrogen cycle ofthe earth c) II maintains the tempe-ramI"(: orthe eanh d) II protects them from excessive ulLrnviolet rars of the sun

449. A defect in lens due to the dispersion orligh1 is called a) myopia- ,b) astigmatism c) sP.hericaJ aocrralion d) chrmnalic aberration

450. Sound waves above 20,000 cps. are calred a) supersonic b) overtones c) infrasonic d) . ultrasonic

451. As a metal rod increases in len'gthdue to. heating its diameter a) increases . b) decreases c) remains the same d) None of the above

: ' 452. A rubber balloon II!! blown up with carbon dioxide .which is almost 1.5 times as dense as ~r. As the balloon expands the buoyant force of the air outside the balloon a) decreases . b) first increases, then decreases

, c) increases d) None of the above .\453. On a clear, calm day, as the temperature decreases, the relative

humidity a) . increases bl remains the same c) remains lhe same d) None of the above

454. A photoppher, using a locussing camera, has just ~n a picture of a distant object. To take a picture of a "ear object, he should

,

455.

0) move the lens toward the film bl move the le.ns al,'ay from the film . c) leave the JellS where if is d) None of the above The purPose ora filament in a raClio tube is to a) elllilhcat b) emit.light e) emit electrons d) absorb light

447. A 453. A

448. D 454. B

449. 0 455. C

450. 0 451 : A . . 452. C

..

Sura', c,G.I

,

Sum '$ 0 G.t< . (Vol. III) ,

466. Persistence of vision is the principle behind a) Ca mera b) Spectroscope c) Cinema d) Periscope

467. In Ii nucleaT reactor, one of the following is used as a fuel a) Coal b) Uranium c) RadiulIl 'd ) Diesel

468. In a railway track, two rails arejoined end to end with a gap in between them because a) Steel can be savcd b) Accidcn1.5 due to contraction in winter can I>c a"'o ided c) Air-gaps due 10 expansion in "Summer call be avoided d) Accidcnts. d ue to expansion in summer can 1>

Sura's C' C r , (Vol. til)

474. Give.n below are two siatements, one labelled as As~rlion (A) and the other labelled as Reason (R): Assertion (A)' : WIlilc taking a shaq:i tllm :11 high speed. a tn d.

load of fodder OVCfltlfll S llIore r~uemly than a truck load of iron bt:ams.

Reason (R) : T he centre ofgra\'ity oftl1ld. carrying fodder is lowered and rhe vertical line ttirough its' e .G falls oUlside the base on a sharp luni, while for a truck carrying iron beams this does not happen.

In the context of the above two statemeiu.s. which one of the followins it correct? . ) BOlhA and Rare tnle and R is Ihe COlTect explanation of A b) Both' A and R arc true, bUi R is not a correct cxplanalio!1 of A e) A is true. but R is false' . d) A is fa lse; but R is true

. 475. Athletes norinaIly have laJ"ler sized hearts because: \ a) their .. blood is thicker and 'reqlli~s more hean muscle to

'circulate it b) their cardiac outpul is regulated by change of cardiac rate

during workolll ' e) greater blood pressure dC\'e1oped during workoul requi~

thicker hean walls d) ,their cardiac OUipUI is regulated bychange ofsU'o\.;c volume

during w'orkoul

474, . C 475. C

57

1.

,.

,.

4.

5.

6.

A person can buy 3 more copies of a book if the shopkeeper reduce!! the price by. 20% by paying Rs.720. The original price of the book is a) Rs.30 c) Rs.50

b) Rs.45 d) Rs.60 ,

A circle orradius 12 em huits radius decreased by 25%. The percentage or decrease in iu area is a) 25 . b). 37.5 c) 42.25 d) 43.7 5 A isl0 years older than B. x years ago,A was twice as old as B. If B is 12 years old now, then l( is a) I b) 2 c) 3 ~ . d) " 4 persons work 4 hours per day and complete .job in 4 day.,. If 8 persons work 8 hours per cby~ in how Diany days the job

. will be comple~? a) 8 days. b) 4 days c) 2 days . d) I day A train passes a platform 60 metres long in 20 secqnds.ilRd a man in 12 ~onds. The speedorthe train is . a) 18k.m/hr b) 27k.m/br c) 36 klll/hr d) 40 Km/ hr The average age of students of a claSs is 15.8 yean. The average age of boys in the c1~ is 16.4 years and that of the lirls is 15.4 years. The ratio or number of boys to the number or ~r~s in the class is a) 1 ; 2 c) 3: 5

b) :3: 'I d) 2: 3

7. Ira number is added with its square and when 28 is added, the resuhing number is 300. What is that nu~r? !iI) l8 b) 15

. c)16 d) 14 Am: I. D

- 7. C 2: D 3.B . 4. D 5. B 6. D

58

. .

s. Sura's a.o.K. (Vol. lIli

Tb,e ReF of two numbers is 6 and their LCM is 1260. If one of the numbers is 126, the other number is a) 30 b) 60 c) 90 d ) 15

9. What would be the maximum value of Q in the following equation? 5P9 + 3R7 + 2Q8 = 1114 .). 8 b) 7 c) 5 d} NOlle of these

10. a, b, c _ are three con.sec:ucive multiples of 3. Which of the foUowing is divisible,by 9? L a + b II . ab IIl.a + b + c Of these : a) I only c) m only

'11 . In the fi&Ure LAOB"=?

b) , If .only d) BOlli II and III

b) 60~ d) I 10

12 . . In a college, 20% othe female studentS read 5Cience and 35% of Ote stUdent population are females. What percent of the student population an: female science students? .) 7% b) 17% c) 17.5% . d) 15%

B 9. 0 10. C 11. A 12 A

59

Sura' s O.G.K. (Vol. III ) u.

...

What will be the Jengtl:l of the diagonal. of that square plot whose area is equal to the ar~ ofa rectanVJlar plol of length 4S metres and breadth 40 metres? a) 42.5 illelre1 til. 60 metres

"

c) 1800 metres d) 80 mt:tres A pole 6 III in height cast a shadow 4 m long at a time when shadow of a tree measures 16 m. The height of the tree is a) iSm '. b) 24 m c) 30 m d) 36 IIi

15. The .-alio of two numbers is 2: : 3. Their sum is 60. The

I .

17.

IS.

19.

20 . .

numbers arc a) 20, 10 c) 30 .30

b) 24, 36 . d) 25. 35

What is the principal amount which eams Rs.132 ascompound interest for second year with 10% interest per annum? a) Rs. l.200 b) Rs. I,OOO c) Rs.12 ,OOO d) Rs. l .320 '

Simplify : 1

.) 6 3

'1.

2,3.

'4.

'5.

26.

27.

28.

Sura', O.G,K. (Vol. III) The length of are:ctan~le is increased by 10% without chan~, its area. Then its breadth must be , a) decreased by 10% b) decreased by 9%

I I c) decreased by 9 0 %" d) dccrt:ased by II 9 % ThevaIueof I - 2 + 3 - 4 + 5 - 6 + .......... 100 lenns is

, a) 100 b) 5 0 . c) -50 d) lIone oflhese When X is diVided by 64, the remainder is 32.lfX is divided by 32, the rt:mainder is .) 2 c) 4

b) 0 _ d) S.

. .

The salary ofa person is reduced by 10%:To get.back the old salary, the salary must be a) incrt:ased by 10%

. . 1 ~l . increased by 11"9 %

b) increased by 11 % I

d) increased by 12 2 % What is the angle between the minute-hand and hour-hand when the time is 2-15? a) 300 b) 22 V! c) 27V! d) none of these A vehicle starts from .A and travels 10 km towards north. It

. turns to its ri~ht and travels 15 km. Again it turns to its right and reaches B after b'avellinz: 10 km. The distance between A and B is

. al 25 kill b) 15 kill c) 10 km . d) none of these I) J4 II) 4 III) 0"' IV) 4' the: following are equal a) 1&11 c) II & III

b) I & III d) 1& IV

You are standing ' in a queue in the nth place from the . beginning and from the rear. The length of the queue is a) 20 b) 21 c) 19 . d) 22

21. C ?:l. A

22. C 28. B

23. B . 24. C

61

25. B 26. B

C>pyhld

~S"u"oc"OCG~. KC"(V"oeIC"""I) ________________ -c __________ -c ___ 29. The angles of a triangle are in -the ratio 1:2:3. Tbe smallest

angle of the triangle is

30.

al 15" b) 30" - c) 45" d) 60"

J J . 1 ThevalueoC- +-----:-++ I~ -

1.3 3.5 ' 101.103

51 a) 103

5) c) 102

b ) 5 1 101

d ) non~ of these 31. The value of X in (he series 9, 81, X, 6561 is

al 90 b) 162 c) 729 . d)' lIone of these

32. If the average of fh'C numbers is 5.4, then the sum of the numbers is a). 27 b) 26 c) 28 d ) nOlle of these

33. Irat > b! then al a > b c) a = b

34. If 40x + 63y = 521 , then

b) a < b d ) . a>bora

"

Sura' , O.G.I7. If two dice aTe thrown, what is the probability of oblaini,!g 7?

1 . 7 a) - b) 6 36

5 c) . 36 . d1 none of these

38. If 10 men can finish ajob in 8 days, then the number of men required to complete the job in half day is a) 80 b) 100 c) 129 d) Ino

39. In a class of60 students, each student shakes hands with ~'ery other student. The total number of handshakes is a) 3540 b) 3600 c) 1770 d) none of these

40. 5x + 3y + 5 = 5. the ..

If 3x + 5y + 3 x ' 5x + 3y.

os 3x + 5y 3 5

- ) 5 b ) 3 1

Svro'. O.G.K. (VIII. 111) 45. A twa-di~t number is inlerc:h.an!ed with its di!ils. The

difference between the original number and the new number is 27. Find those numbers. a) 15, 18 b) 96,69 c) 62.26 d) B.I. 18

46. The product of two numbers is 96 and their difference is 4. The smaller of the two is a) 6 b) 12 c) 16 d) B

47. A ba! contains 400 coins, c0!Uisting of 50p, lOp, 5p coins. The IOtai value of the coins of each kind is the same. The No. of 5p coins is a) 200 JJ 250 c) 125 d) 300

1 1 4B. Ifal + bl ::: 45 and ab = 18,findthevalueof;+b'

a) 2 b) I 1

c) 2 d) 1

-2

49. Thc pcril1J.cler and area oflhe following circle are in the ratio

a) 2: 3 c) 2 : 9

45. 8

B (0. 3)

y

-'----"'""':~;;;--, A (3, 0)

46. 0 47. B

b) 3: 2 d) 9 : 2

48. 0 49. A

--------------;:-;-------64

."

Sura'. D .G,I

Sura's O .G.K. (Vol III) 175. A dice is lhrown 6 times . If "getting an odd number" is 0

"SUCCESS", lhe probability of :) SUCCESSES is I

a) 10

5 ,) 6

,

bl 32

25 d) 36

174. A clock gains .15 minutes per day .. II is set right at 12 noon. What time willlhe clock show at a 4 : 00 a.m. next day? a) 4 : 10 a.lII. b) 1 : 15 a.llI . . e) 4 : 303.m. d) I : 00 3.1JI.

1 , 1 115. If x+- ", 5' ,thenthevalueofx +, is

x x

176.

177 .

178.

a) 125 . c) 1 5

b) 110 d) 75

Of the followin~ quadratic equations, which is the one whose 'roots are 2: and 15? 0) x1 _ 2x+1 5 "'0 b) ' x ~ +1 5x -2=O c) x' + 13x - 30""0 d) x'-30 = O If the polynomiaJ f(x) is such that f(--45) = 0, then ~ factor of f(x) is a) x-43 c) x .- 7

b) , d) x + 43

11 " log8x + logs - = - , then the value of x is

. . 6 3 . a) 20 c) 15

.b) 36 d) None of Ihc.."Se

179. lfthe medians of a trian~le are equal, then its angles are 3)45". " 5". 00" b) 60" , 45". 75" e) 60". 60". 60'.' d) 60" : 30". goo

180. The length of three sides of a triangle are given below. For which one iiit impossible to construct a right angle triangle? a) 15clII , 12clII,9cm b) 3.6 clIl.4 .3clll.5.7 cm c) 2.3cm. " A cm.6.8cm d) 17 clII.1 2cm;6.cm

173. B 179 . . C

174. A 175. B ISO. A

85

176. C . In. D 178. D

,

,

Sura's O .G.'I. [ \"'

Sura's O.G.K. (Vol. Ill ) 228. 12.5 : ?:: 2.5 : 0.5

oj 6 e) 5.4

b) ' 5.5 d) '2.5

229. Uthe shadow of the pole is 15m, then the length ofth~ pole is 6 m. "Wbat will be the length 'of the pOle when the shadow is 25 m Ions? a) 15 III b) 12 11\ c) 10 m d) . 20 m

230. The sum of three numbers is 116. The ratio of second and the third numberis 9 : 16and the ls~and the third are as I : 4, W~I is second number? a) 2 9 b) 16 c) 14 d) . None of these

231. Krishna started a business With a capftal of Rs.9,Ooo. FOJ.lr .months later Rani joined him with a capital of Rs.12,OOO. At the end of the year, total profit earned was Rs.2,550; lind RaJ"!-i's share in the profit? a) Rs.975 . .b) Rs. J350 e) Rs. IOOO d) Rs.1 200

232. A. 8 and C renled a house for 1 year at Rs.288. They remained together for 4 months and C leftafter wards. After. 5 months tJlote B also lell. How much did B pay? a) . Rs.96 b) Rs.82

e) Rs.92 d) Rs.72 233. In how many years does a sum set doubled at simple interest

rate of 12.5% p.a:? a) 6 yrs c) IO yrs

b) 8 yrs d) none o j"Ihese

. 234. Thedifferenc.e between simple intere.st and compound interest on a certainamounl @ 10% p.a. for2 years is Rs. I.50. What is the amount? a) Rs. 150 b) Rs. 750 e) Rs. 1.500 d) RI. 7.500

. , 235. The base ofa triangle is 4 em and height 5 cm th~ area of the triangle will be . a) 20 sq. CIll e) \0 sq. CIIl

228. 0 234. A

229. C 235. C

230. 0

b) 20 CIIl d) \O cm

231. D

93

232. C 233. B

..

Sura's o.G.K. (Vol. 111)

. J2 ~ 254: The value of J6 _ J2 is

) .)

n

2(n - I)

Sura', O.G.K. (Vol. Ill) 260. The product .of 13 and a number comprise entirely oCnines.

The smallest such number is a) 69723 b) 79623 c) 67923 d) 7692 3

, 1 1 261. Ifx +t= 34 . then x+- is equal to

x x a) 3 bl .4 c) 5 . "d) 6

262. The number of prime fadors in (216)!fs(2500)!lS(~00)I/S is a) 6 b) 7 c) 8 d) None of these

263. (O.00032)l{S = ? a) 0.8 c) 0.008

b) Q.08 d) None of these

1.7x 1.7 )( 1.7 - 1.5 )( 1.5 )( 1.5 264. find the value of 1.7xl.7+1.7 )( 1.5+1.5:

Surds O.G-K. (Vol. III)

268. U3a - 4b = 6c a~d a + b .+ c = 27 J29, then Ja Z + b 2 + c2 " a) 3 ,J29 b) 8 1 c) . 8 '1 d) None o f these

269; Nee tht "Juare of a number is the cube of 18. The number is a) 5 4 bl 108 c) 432 " d) None oflhesc

.

270. In what proportion should waterand milk be m.iv:ed to reduce the price of milk from ll!.S"to ~.3 per litre? .)1 ; 4 b) 4 ; 2 c) 2 : 3 d) 1 : 3

271. In a fraction the Denominator is 20 more than the NumCl1ltor. 3

I 10 is added to both, thenew fraction will be .,. What is the fraction?

4 11) 20

2

b) 5 25 1

c) 30 d) 6 272. The ratioof.Numerator: Denominator isS: 8. liS is deducted ,

from both, the new ratio will be 1 : 2. What is the ori~ &action? ' . ' .

20 .) 32

10 c) . 20

20 b) 35

15 d) 30

2 5 273. 3 rdofa number is 6 more than 9 Ihof.the number. find the

number. a) 27 b) 36 c)" "54 d) 5 Q

268. e "I>. A m . e 271. B m. A 273. e

.99 ~

.. OSu~nt~.~O~.~G~. K~.~(V~o~I~. I~II~) ____________ ~ ______________ c-_t\ "274. The total ages of a rath~r and son' now is 50 yeats. After 10 ,

yeu s their ages will be in ratio 5 : 2. What are their ages now? a) 10ycars &. IO ycars b) 20 years & 10 years c) 10 years & 20 yearS d) 40 yean & 20 yeafs

275 . TWo cydists approach each ather on a straight road, pcdaIlinlf al15 miles an hour. When they are 50 miles apart, a fly &lights on one bicycle, then dashes off to the Other. It shuttles baCk and forth between the .two at 20 miles an hour until the riders

. 276.

meet. How rar has it travelled? a) 10 miles b) 2Q miles c) 30 mik-s d) 40 miles Represent the answer in fractions ~ .pproll:.)

( 2.9 x 8.3 )

1.22 a) 19.73 c) 20.23 9

b) 18.23 d) 2 1.33

of the sum

277. 16 ora ~umber is 51 ~ter than SO% ofthe number. Then that numbeJ;" is a) 832 c) 960

b) 704 d) 8 16

278. rx = 17 implies that!x + 21 equals ., a) 6G6 b) 777

c) 888 d) 999 279. Which of the following bas the smallelt value?

5 7 a) 8 b) 12

8 c) 15 d)

18 37

\

%80. A strins: oflens:th 36 cui is bent into a fonn of. aemi-circlc. lts ndiul will be a) Gcm c) !I cm

b) IZ em d) 7em

274. A 275. B 276. A 2n. 0 278. C 279. 0 280. 0

100

Surci's O.G.K. {Vol. JII) 281. What is the median of 45,65, 35, 4t, 75, 21,64,5%1'

a) 48.5 b) 47.6 . c) '12 d) None of these

282 . The prices of. commodity in six days are as 201), 210, 208, 160, no, 250. The n.n!;e is . a) 208 b) 2 10 c) 160 d) 90

283. State th~ name of the fo~lowins sraplt .of a rr~quency distribution:

a) Hislogram -c) Pietognun

b) Bar diagr.un d) Frequency Polygon

%84. In a symmetrinl distribution ~th median equal to 10, the mean IS a) greater thaD 10 b) less than 10 c) equal 10 10 d) 110( cqualto 10

285 . .The lenp of diagonal of a square is 8 em. The lenp of the 'side of the square is a) 2cm c) 1.114 em

b) 2.8cm eI) 5 .64 em

286. The avense, which Sives equal importance to all times in the distribution, is a) median

'c) alllh~ b) mode d) none ofth~

287. Square root of9801~ is a) 1890 c) 890

b) d)

288. Find the value of (651 _ 15t )

990 9990

a) 2000 b) SOOO c) 4000 d) 5000

281. A 287. B

282. 0 288. C

283. A 284. C

.101

285. D 286. A .

Sura's D .G.I( (Vol .. Il!) 289: Find the value of (99)'.

a) 980 I ti) 9891 c:) 9901 d) 9991

, 290. Find the means of3 : 4.:: 9 : 12 . )3 : 9 " b)3 : J2 c)4 :9 d) .4 : J2

291. Find the extremes of 5 : 8 :: 15 : 24. , .)5 :24 h)la :2" c)8:1 5 d)S : !4

292. 333335 + .5.3 ... ? .) 10. 1010 c) 101010

b) 1.110 d) 1110

..

293 .. In order to compute 0.15% ofa numbe .. , it must be multipUed by . a) 0.0015 b) 0:015 c) 0 .15 d) 1.5

.294. The number ofprimc raciors of the composite number 100 i ) .3 b)S c)6 d)4

295. The diameter of a cone i. 1.4 em. Its slant heisht is 4.2 em. Find curved surface area. .) 9.24 em' b) 2.21 em!

c) 8.14 cm~ d) 6.94 em' -- . 296. A cone has a radius of.5 em and slant heiJ!:ht of 5 em. Its

vertical height is a) .J32 + .!>2 ' b) 5' _ 32 c) 3' + 5'

297. Write 0.00452 in scientific notation. .) 4.52 x 10-' b) c) 0.452 x 10- d)

452 x 10-' 15.2 x IO-~

298. Write 4783 in standard fonn. a) 1783.0 b) c) 4.783){ IO~ d)

4,783 4.783 x

299. Simplify X4 x x' .) X' " c) x'- ,

b) , d) x'

289. A 295. A

290. ,C 296.0

291. A m. A

102

292. C 298. C

1000

293, A 299. 0

294. 0

______ ~-----------------------CS~u~~~'~.~O~.u~.K~.~(U~I. ~II~I) 300. Y"+Y=?

. a) y' bl. y~

c) . y' d) y1 ~ ' 301. Ji:valuate the scientific notation of 4.987 x 10.

a) 4987 b) 49870 c) 49S7x 10-1 d) 4.9870

302. Evaluate 7.15236 x 10-1 a) 71 .5236 c) 0.715235

b) 715236 d) 7152360

303. Find the value orlog,12ft. "a) S b) 2

. c)4 , . d) - I 304.- [flog,_:i -2, find the value of , a'

I I a)

.f5 b) .--25 I I

, c) .J25 d) 5

305. Simplify usmg product rule. log,2 + log.3 " a) log~5 ; . b) log~6

c) log~ 1 d) log0 4 306 . . Simplify using quotient rule, log,,25oo - IOllh. 25

307.

a) loglll(25/2500) ~) log'625oO - 25 c) log,02500 + 25 d) \og,o(2500/25)

[-1 5] n A = 4 - 2 lhen~A~lIbe [' IOJ a) 8 O b) [: 14]

t2 ,c) . 8 l~] d) [~2 .~] 300. B 301. B 302. C 303. A 304. B 305. B 306.' 0 3fJ7. D

103

Sura', Q,GX (Vol. III) I

. 308. Simplify 2""'og,81 usins: power rule . )2 b}4 c) 3 d) 5

309. Hthe variance of5 values is 15.6, what i~ the standard c:leviation ofthoseva,lues? a) 3.95 b) 4. 35 c) 2.85 d) 25.65

310. Find the range from the follo.wing data. 100, 150,200.,1000. 750, 400, 50: a) 950 b) 850 ' l c) 750 d) 1050

311. Ifletters are chosen at random from the word " STATISfICS" , then what is the probability of S? a) 1/ 10 . b) 3/10 c) 2/ IQ d) 1/5

312. If the variance is 64, what fs the standard deviation? a) 4 . b) 8 c) 32 d) 16

313. What is ~e probability of getting one head. in tossing of two coins?

I I .) 2

I b) . 4

c) 8 d) I 314. Rangeofl , I,2,3,3ls

. )1 b) c) 3 d)

. 5 . 4 315. U ~(Et) = Ii; P(EZ) = il

peEl nE.> "

, . o

.nd . 3

P(E,UEz) =-II

,

then

,

Sura's O .G,K. (Vol. III)

316. If P(A) = 0.8; P(8) '" 0.6; PIA n 8)=0.5; then PIA U B) = a) 0.9 b) 0.7 c) 0.5 d) .0.4

317. A boy thinks 0,( a single digit number, what is the probability it is prime?

4 I a) 9

5 c) 9

h) 2

d) .I 318. In a triangle of ABC, the measurements are as follows:

AB = 4 (adjacent); BC = 3 (opposite); AC = 5 (hypotenuse). WhatissinA? .

3 .) 5

3 c) 4

C

'------'s 4 5 h)

5 d). 4

S 19. Consider 3 "rectangles of measurements as follows: A = 2cmand6 cm . B = 3cmand4 cm C '" 5 cmand Scm Find which of the following statements is correct: a) BOlh A and B have !;3IUe arca b) C is iargcnhah A aud B c) A is smallcrlhan B (I) Both (3) aud (b) arc corrcct

320. Find in which A and B are not similar: A B

.) 3,1. 5 6. 8. 10 h) 2, 'I. 8 6, 12, ~N c) 7.9. I:! 10.5, 13.5, IS d) 9, .1 5, 18 6, 9, 12

316. A 317. A 318. A ) 19. D 320. D

lOS

,

Sura' , O.G.K. (Vol. 11 11 321 . Find the sum of 1 ' +2' +3' + .... + UP.

II) 3025 b) 2025 c) 3675 d) 2675

195 _ ISS 322. Simplify 019:-.r+~19=--,~15:-+-:1:-5'.

a) 'I c) 13

b) I. d) I I

323. A clock is started al nOon. By 10 minutes pa:rt 5, Ihe hour hand

has turned through: a) 1'15 c) 1550

b) 1500 d)" 160"

324. The equation xl-5x +6 :::: 0 repre!Oenls a) a pair of stTaight lines through the origin b) IWO perpendicular stTaight lines c) circle d) a parabola

325. The h.ro points P(S, 2), Q(3, - 2) repN!sent a) 900 rotation about (0. 0) : b) 180" rotatioon about (0, 0) c) reflection about the x-axis d) reflection about the. yaxi5

526. If AB and CD aN! parallel slnlight lines in the given (ipre, then L RSD is:

P A B

C 0

.) 72" b) CiO" 0) 36" d) WS"

327. hiMBC, angleC is 6So, the perpendicular bisecloro AB al R nleets Be at P. If L PAC ", 42, then LADe is equal to a) 15" b) 120 c) 35" d) 310

321. A 322. A 323. C 324. D 325. C 326. A 327. C

106

Sura's O.G.K. (Vol. III) S!8. A particle moves in a slrai&ht line. After two turns or 550 and

30" as shown ,n the 6pre, it moves panlld 10 initial direction. The angle x is

x"

a) 1550 b) 1200 c) 900 d) 1650

S!9. The number or sides or a replar polygon each orwhose ancles measures 156" is a) 8 b) 10 c) 12 d) 15

550. [n a ri&hl angled triangle, one acute angle is double the other. I the length or the smallest side is a, ' the length or the hypotenuse is .

a) J5a b) 2a c) 2.,/2 a d)

Sura's O.GK (Vol. Il l) 333 . A square and an equilateral ~angle are insc:ribed in a circle.

If a and b denote the lengths o~their sides, ~en

b' a) a 2 = _

2 . e) 3b" = 2a" ,

, ~=b2'

b) 2 d) 3a" = 2b~

334. ABCD is a rhombus arid 0 ~s the point of intersection of the diagonals AC and BD. The locusof a point which is equidistlnt from AB and AD is a) AC b) 80 c) C B d) GO

335. The perimeter of a triangle is 100 m and its sides are in the ratio I : 2 : 2. The area of the triarigle (in m t) "is:

,. a) 100.[3 c) l oDE

b) 100 JI5 d) 100J7

336. The area of the shaded portion in the given fipre where the arcs are quadrants of a circle is

a) 42 m" b) 56 m' e) 61 m' d) 144 In 2

337. The area ofa trapezium is 275 emf. Ifits parallel sides are in the ratio 2 : 3 and the perpendicular distance between them is 5 ems, then the sm"alle:r of the parallel sides is a) 36 elll b) 40 elll ' c) 4.4 elll d) 48 cm

338. The volume ora cube is 343 cubic cm. The surface area'ofthe cube is a) 284 sq em c) 290 sq elll

b) 288sq em d) 294 sq em

333 . . D 3.34. A 335. B 336. A 337. C 338. 0 \

108

, ,"

Sura's O.G.K. (Vol. Ill) . 339. Asolid sphere of r3dius r is Sliced by the planes passing throop

its cenll'e and perpendicular to each other. The total surf.ee area of each of the pieces so fonned is

2 a) _nr 2

3

340. A right pyramid on.a regular bexagonal base is' of height 60 m.

341. .,

Each side of me base is 10 m. The Volume of the pyramid is. a) 4500 m' b) 5000 1Il~ c) 5 196 m' d) 6196 m' A cone and a hemisphere have equal. bases and equal volumes. The ratio of their heights is a) 2 : I

SUnil" O.G.K. (Vol. III) .... The mean of 0 values 2, 4, 6. 8 . 20 is

1 a) 211(11.+ I) b) "2n(n+l) c) n d) n+ I

347. Thenwnber"l[js 22

.) equal to """7 b) a recurring dec~mal c) an irrational number d) none or the above

548. The lar~est number amon~: 21". 2!t 0222, (22)2 is a) 2~ . b) 22' c) 222 d) (22l

349. Both addition and multiplication or numben are opentioD!J whichare . a) commutative but not associative b) commutalive and associative c) associative but nOI commutative d) neither commutative lIor-associative

350. If98 is the nth term of the sequence 3. 8,13.18, .... thert a) n"" 10 b) n = 15 c)n =20 d)n =35

351. The value of ./216 i. equal to

'1 6,{2 bI .6./3 ,

cI 6./3 dl 6./6

352. Thepo$itivesquarerootof(~2 + 2x - l)+ 2 1 . (x + h+l) "

1 I '1 (x+I) + . bI (x+I) - . (x + I) (x + I)

I . I cI (x + 2)- d1 (x + 2) + (x+I) (HI)

346. 0 347. A .348. A 349. B 350. C 351. D 352. B