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TEST YOUR SELF 

BIOLOGY

1.Which of the following about fungi is correct

(a)they are autotrophs (b) they have chrolopyhll(c) less number of species (d)they have mycelium and hyphae

2.The number of chromosomes in man is

(a) 44 (b) 48(c) 46 (d) 23

3.According to hay flick aging is due to

(a)cell function (b) immunity(c) stability (d) A.O.T

4.Locomotion by pseudopodium is found in(a) amoeba (b) chlamydomonas

(c)ciliates (d) euglena

5. In catkin inflorescence the flowers are

(a) motile (b) sessile

(c) stalked (d) branched

6.Eggs of amphioxus(a) alecithal (b) telolecithal

(c)melolecithal (d) mesolecithal

7.The condition in which there is one extra chromosome is

(a) monosomic (b) trosomic

(c) disomic (d) nullisomic

8. The plants and animals of an area which live successfully and reproduce in

 particular surroundings constitute

(a)community (b) population

(c) ecology (d) biosphere

9.The temperate deciduous forest are characterized by plants(a) maple (b)pine

(c)fir (d) spruce

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10.The proportion of different alleles of a gene in a population is termed as

(a)allele frequency (b) genetic drift

(c)gene frequency (d) allelomorph

11. The primitive vascular plant rhynia is

(a) pteridophyte (b) bryophyte(c)spermatophyte (d) gametophyte

12.The number of chromosomes in a sporophytic ulva

(a) 13 (b)26(c)24 (d) 12

13. The botanical name of mustard is

(a) brassica oleracea (b) brassica compestris(c) brassica napus (d) brassica sativus

14. Some plants form embryo without fertilization called(a) apomixes (b) epimixes

(c) apomisis (d) endomixis

15 Circulatory system in grasshopper is of(a) hemi open (b) open

(c) closed (d) hemi closed

16. When some particles are ingested by cell through plasma membrane

(a) pinocytosis (b) phagocytosis

(c) endosmosis (d) exosmosis

17.Who discovered protozoans in the red blood cells of human

(a) laveran (b) king

(c) Ronald ross (d) grassi

18.Chloroplasts contain substational amount of ---------- and are capable of programming

synthesis of some of their new structural components(a) chlorophyll (b)dna

(c)rna (d) chlorophyll a

19.Center of cellular respiration in a cell(a) mitochondria (b) cytoplasm

(c) golgi bodies (d) ribosomes

20.In earthworm the absorptive ridge which runs along the dorsal side of intestine is(a) villi (b) typhlosole

(c) vessel (d) none

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21.Moments in protozoans especially in sarcodinians is

(a)amoebid (b) euglenoid

(c) flagellary (d) brachiation

22. Rods are cones ( photoreceptor cells ) are present in

(a) iris (b)pupil(c) cornea (d) retina

23.An automatic pre programed and genetically inherited behaviour is

(a) learning (b) instinctive(c) parental (d) genetic

24. A division without formation of spindle is

(a) mitosis (b) meiosis(c) a mitosis (d) karyo kinesis

25. In pond ecosystem the macro nutrient include(a) iron (b) manganese

(c) copper (d) magnesium

26. The percentage of lipids in protoplasm is about(a) 2-3 % (b) 2-4 %

(c) 2-5% (d) 10%

27.Flowering plants which produce seeds within fruits called

(a) angiosperm (b) gymnosperm

(c) cryptogams (d) pteridophytes

28. The pressure which cell contents exert on cell wall

(a) turgor pressure (b) wall pressure

(c) suction pressure (d) osmotic pressure

29. The muscles which rotate the whole or part of a limb at 1 of its joint

(a) protractor (b) retractor(c) rotractor (d) rotator

30. Leucoplast are

(a) found in under ground (b) found in aerial parts of a plant parts of a plant

(c) they have chloroplasts (d) they are found exogenously

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  CHEMISRY

31. Electronic configuration 1s2, 2s2, 2p6,3s1 is of(a) sodium (b) magnesium

(c) neon (d) calcium

32. In borax Na2B4O7.XH2O, where X is(a) 10 (b)12

(c)14 (d) 8

33.NaBH4 is ----------- hydrate

(a) polymeric (b) complex

(c) covalent (d) metallic

34.The properties of elements are periodic functions of their atomic number called

(a) Moseley law (b) periodic law

(c) dobernier’s law (d) newland’s law 

35.Hydrogen is placed in various groups sometimes in IV-A , VII-A by different authors.

Its actual position is

(a) unknown (b) undetected(c) undecided (d) none

36. s-block elements are highly(a) oxidizing agents (b) reducing agents

(c) low reacting metalloids (d) dehydrating

37. d-block elements are(a) outer transition (b) inner transition

(c) transition (d) reactive metals

38.According to I.U.P.A.C the CH3 CH2 OH is

(a) ethanal (b) ethanol

(c) methanol (d) alcohol

39. The rate of unity 1 mole/dm3 .1sec than K is known as

(a) rate of reaction (b) specific rate constant

(c) rate constant (d) velocity of reaction

40. 2 NO +O2----------2NO2 whereas dx/dt = k [NO]2 [O2] then reaction is

(a) 1st order reaction (b) 2

nd order reaction

(c) 3rd

 order reaction (d) zero order reaction

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41.In a reaction

Ca(OH)2+Cl2----------- +H2O

(a) Ca O, Cl (b) HCl(c) Ca O Cl2 (d) HOCl

42. In m –  shell maximum number of electrons(a) 16 (b)18(c)12 (d) 14

43. The heat absorbed or evolved in a given reaction must be independent of particularmanner in which reaction take place

(a) hess law (b) law of conservation

(c) law of thermodynamics (d) law of mass action

44. The change of enthalpy when 1 g mole of substance is formed from its element is(a) heat of reaction (b) heat of combustion

(c) heat of formation (d) heat of solution

45.ZnSO4 and NiSO4 are ---------- crystals

(a) cubic (b) trigonal

(c) orthorhombic (d) hexagonal

46. The temperature which rhombic and monoclinic sulphur in equilibirium called

(a) critical temperature (b) transition temperature

(c) absolute temperature (d) none

47. The % of HCl in gastric juice is

(a) 1.5% (b)2%

(c)0.5% (d) 3%

48. A group of water soluble vitamins obtain from liver and yeast called

(a) vitamin c (b) vitamin b complex(c) vitamin k (d) vitamin a

49. Inorganic salts which contains some elements like N ,P,K which are very essential

for growth of plants are

(a) proteins (b) carbohydrates

(c) fertilizers (d) minerals

50. The number of elements essential for life is about

(a) 23 (b) 22

(c)18 (d) 37

51. In which compound coordinate covalent bond is present

(a) CH3OH (b) POCl2(c) H2O (d) CHCl3

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52. Atoms or groups of atoms present in an organic compounds confers the properties of

organic compounds to that atom or group of atoms called(a) sulphonating group (b) nitrating group

(c) functional group (d) hydrating group

53.The molecular mass of SO2 is 64 and that of He is 4 then He diffuses how many timesgreater than SO2

(a) 2 times (b) 4 times

(c)16 times (d) 12 times

54. [Co(en)3] (NO3)3 is

(a) tri amine tri nitro cobalt III (b) tris (ethylene di amine ) cobalt III nitrate

(c) di amine tetra ethyl cobalt III (d) none

55.The method which is used for purification of bauxite excess of silica

(a) haber’s process (b) down’s pr ocess(c) baeyer’s method (d) serpex method 

56.In the reaction SO2 +O2----------2SO3 delta H= -45 k.Cal is

(a) enothermic (b) exothermic(c) substitution (d) both a & b

57. In acylation and alkylation of benzene the process involved is(a) substitution (b) addition

(c) friedel craft’s reaction (d) none of these 

58. In a reaction NaCl +NH4HCO3--------- + NH4Cl(a) NaHCO3 (b) Na2CO3 + H2O

(c) H2CO3 +H2O (d) (NH4)2CO3

59. In reaction 2MnO4+%H2C2O4 +6H------2Mn+ +8H2O

(a) 10MnCO3 (b) 10 MnH2CO3

(c) 10 CO2 (d) 10MnO4

60. Maximum number of electrons try to occupy orbital signally only when all the

orbitals are signally occupied only then pairing of electrons commences is

(a) hund’s rule (b) pauli’s exclusion principle(c) n+l rule (d) aufbau principle

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  PHYSICS

61.The diameter of molecule considered to be sphere is

(a) 3 x10-10

  m (b) 5 x 10-10

  m

(c) 4 x 10

-10

  m (d) 7x 10

-10

  m

62. When 100 w bulb is operated at 240 volts the current flows through is

(a) 0.416 A (b) 0.466 A

(c) 0.495 A (d) 0.455 A

63. Wheat stone bridge is used to measure

(a) resistance (b) current

(c) voltage (d) emf

64. A process in which momentum of system is conserved the law is known as

(a) law of conservation of energy (b) law of conservation of momentum(c) law of inertia (d) elastic collision

65.

66. The distance between consecutive dark or bright fringes is called(a) λ   (b) λ/2 

(c) λ/4 (d) fringe spacing

67. Electromagnetic waves are

(a) transverse (b) longitudinal

(c) mechanical (d) material dependent

68.Dopped semiconductors are also known as

(a) extrinsic (b) intrinsic

(c) mixed (d) none of these

69. A material consisting of fissionable isotope called

(a) coolants (b) reactor fuel(c) moderator (d) control rods

70. Alpha particles when shoot up from nucleus with speed of

(a) 0.1x108 m/s (b) 0.4x10

8 m/s

(c)0.9 x108 m/s (d) 0.6 x10

8 m/s

71. Isobaric process takes place at constant

(a) pressure (b) temperature(c) volume (d) heat

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72. Electromagnetic waves speed depends upon

(a) permeability of medium (b) permittivity of medium

(c) permittivity of free space (d) both a& b

73. Electric flux is zero when angle is

(a) 0>90 (b)0Np(c) Ns=Np (d) none of these

76. Tesla is equal to(a) 1 N/1A x 1 cm (b) 1 N/1A x 1 m

(c) 1 A x1m /1N (d) 1 A x1cm /1N

77. Maximum no. of beats heard by human ear is(a) 7 beats / min (b) 12 beats /sec

(c) 16 beats /sec (d) 7 beats /sec

78. According to laplace the compressions and rarefactions of soundwaves take place

(a) isothermally (b) adiabatically

(c) isobarically (d) isochoraicly

79.According to newton’s speed of sound waves depends upon

(a) compressibility and inertia (b) pressure

(c) mass and energy (d) density of medium

80. Single isolated disturbance traveling in a system

(a) wavelength (b) wave fronts(c) wave pulse (d) wave frequency

81.Unit of power of lens

(a) capacitance (b) diopter(c) watt (d) horse power

82.Time of upward motion of projectile when reached at maximum height

(a) t=Vo sin 2 theta / 2g (b) t=Vo sin theta / g 2

 (c) t=Vo sin theta / g (d) t=Vo cos theta / g

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83. The process in which momentum and energy of system remains constant

(a) elastic collision (b) inelastic collision

(c) both a & b (d) none

84. S.I unit of luminuous intensity is

(a) Kelvin (b) candela / sec(c) candela (d) watt / sec

85. The distance b/w node and anti node in standing wave is

(a) λ/2 (b) λ/4 (c) λ/3 (d) λ  

86. Vector which can be displaced parallel to itself

(a) free vector (b) null vector(c) position vector (d) zero vector

87.When two vectors are in a plane then their vector product found is(a) parallel (b) perpendicular

(c) in x-axis (d) in y- axis

88. All energy of oscillating body is(a) ½ Kx o

2  (b) ½ Kx o - x o

2 

(c) ½ Kx o (d) ½ (Kx o+ 2 x o )

89. The exact no. of molecules in 1 mole of substance

(a) 6.002x 1023

molecules/mole (b) 6.029x 10-23

molecules/mole

(c) 6.024x 1024

  molecules/mole (d) 6.032x 1024

molecules/mole

90. In a photoconductive cell infra red radiation has wavelength of the order of

(a) 10-6

 m (b) 10-7

 m

(c) 108 m (d) 10

9 m

ENGLISH

91. Put an appropriate word

She always ------------------------ her pet dog with herself

(a) took (b) takes(c) taken (d) has taken

92 . Come in , I-------------- a cup of tea

(a) is (b) am having(c) have (d) had

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93. Who ----------------- that terrible noise

(a) is making (b) is producing

(c) develops (d) developing

94 . Put a pair of correct words

Convict --------------- a long imprisonment, when he ---------------(a) was serving, escaped (b) served , escaped(c) serving , escape (d) serves , escaped

95. No one ------------------- television, so my father----------it off(a)watched , turned (b) was watching , turns

(c) was watching , turned (d) watching , turned

96. Give meaning of the following wordsRecoil means

(a) remorse (b) withdraw

(c) secure (d) reconciling

97.Cynic means

(a) polite (b) bad person

(c) disbeliever (d) extremist

98 . Ingenuity

(a) unfairness (b) laziness(c) hopelessness (d) none of these

99. Torrent means

(a) a name of tree (b) a rushing stream(c) a river (d) a violent storm of wind

100. Indolence means(a) threatening (b) frankness

(c) impudence (d) licentious

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  ANSWER KEY 1.D 2.C 3.A 4.A .5B 6.C .7.B 8.A 9.A 10.A 11.A 12.B 13.B 14.A .15.B 16.B 17.A 18.B

19.A 20.B 21.A 22.D23.B 24.C 25 D 26.A 27.A 28.A 29. D 30 A 31.A 32.A 33.B 34.A

35.C 36 .B 37.A 38.B 39.B 40.C 41C.42 B 43A 44.C 45.C 46.B 47.C 48.B 49.C 50.A

51.B 52.C 53.B 54.B 55. D 56 .B 57.C 58.A 59.C 60A 61.A 62.A 63.A 64.B 65.A 66..D

67 A 68.A 69 .B 70.A 71.A 72 .D 73.C 74. B 75 .B 76 B 77 D 78.B 79 A 80.C 81.B 82.C

83 A 84. C 85.B 86 .A 87.B 88.A 89.A 90.A91.B 92 B.93 A 94.A 95 C 96 .B 97 .B 98

.D 99 B 100.C