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DELHI PUBLIC SCHOOL JALANDHAR Session: 2016-17 CLASS : X Winter Break Holiday Homework SUBJECT : ENGLISH 1. Read the novel „The story of My Life‟ (Term II-Chapters 15 to 23) and write your views about the challenges faced by the protagonist in the second half of novel. 2. Write an incident from your life that became albatross around your neck. Note:- Holiday Homework to be done in English Notebook. SUBJECT : PUNJABI (II LANGUAGE) 1. AwpxI ivAwkrn dI pusqk iv`coN ‘k qoN J’ q`k AKwx Xwd kr ky AwE ijs dI jmwqI pRIiKAw 16 jnvrI 2017 nUM hovygI[ 2. ivAwkrn dI pusqk iv`coN d&qrI p`qr/vpwrk p`qr Aqy ivcwr pRdwn lyK pVH ky AwE[ 3. jmwq iv`c krvwey gey kMm dI duhrweI kro[ SUBJECT: MATHEMATICS Attempt formative assessments [S 1 (L 1 , L 2 ) and S 2 (L 1 , L 2 )] available on online AGS system, for the following chapters: Quadratic Equations Probability Arithmetic Progressions Circles

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Page 1: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

DELHI PUBLIC SCHOOL JALANDHAR

Session: 2016-17

CLASS : X

Winter Break Holiday Homework

SUBJECT : ENGLISH 1. Read the novel „The story of My Life‟ (Term II-Chapters 15 to 23) and write your views

about the challenges faced by the protagonist in the second half of novel.

2. Write an incident from your life that became albatross around your neck.

Note:- Holiday Homework to be done in English Notebook.

SUBJECT : PUNJABI (II LANGUAGE) 1. AwpxI ivAwkrn dI pusqk iv`coN ‘k qoN J’ q`k AKwx Xwd kr ky AwE ijs dI jmwqI pRIiKAw

16 jnvrI 2017 nUM hovygI[ 2. ivAwkrn dI pusqk iv`coN d&qrI p`qr/vpwrk p`qr Aqy ivcwr pRdwn lyK pVH ky AwE[ 3. jmwq iv`c krvwey gey kMm dI duhrweI kro[

SUBJECT: MATHEMATICS • Attempt formative assessments [S1 (L1, L2) and S2 (L1, L2)] available on online AGS system,

for the following chapters:

• Quadratic Equations

• Probability

• Arithmetic Progressions

• Circles

Page 2: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

SUBJECT : HINDI (II LANGUAGE) SIqwvkwS g÷h kwX~ áqr :

nwm : AÍXwipkw ky háqw@r :

indy~S- ‘ápS~ puáqk my< sy ‘mDur-mDur myry dIpk jl’, ‘mnuàXqw’qQw ‘AwËmZwx’ kivqwE> pFÀkr inMniliKq pRÜno< ky aÁr dIijE-

I. inMniliKq p<i#qXo< my< kOn sy Al<kwr hY< ? iliKE- 1. Xug Xug pRiqidn pRiqpl ________________________________

2. ivÜv SlB isr Dun khqw ________________________________

3. ishr ishr myry dIpk jl ________________________________ 4. qyry jIvn kw Axu gl-gl ________________________________ 5. duK-rwiZ my< kry< v<cnw myrI ________________________________

6. m÷dul mom sw Gul ry m÷du qn ________________________________ 7. koe~ khI< shwXk n imly ________________________________ 8. An<q A<qir@ my< An<q dyv hY< KVy ________________________________ 9. dXwlu dInb<Du ky bVy ivSwl hwQ hY< ________________________________ 10. ABI AmËX~-A<k my< Ap<k ho cFÀo sBI ________________________________

II. inMniliKq pRÜno< ky aÁr dIijE- pR(1)- ikn mnuàXo< kw jInw ÛXQ~ hY ? a________________________________________________________________________ ________________________________________________________________________

pR(2)- ApnI hf`ifXW iksny dwn my< dI QI ? a________________________________________________________________________ pR(3)-iksy dwnvIr khw jwqw hY qQw #Xo< ? a________________________________________________________________________

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________

pR(4)- ‘mDur-mDur myry dIpk jl’ kivqw my< ipRXqm ikskw pRqIk hY ? a________________________________________________________________________

pR(5)- ‘AwËmZwx’ kivqw my< kiv ny hwin aTwny pr BI #Xw eÇCw ÛX#q kI hY ? a_______________________________________________________________________

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________

Page 3: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

pR(6)- ‘AwËmZwx’ kivqw ky SI†~k kI swQ~kqw ápàt kry< [ a_______________________________________________________________________

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________

pR(7)- mDur-mDur ‘myry dIpk jl’ kivqw kI Bw†w SYlI pr pRkwS fwilE [ a_______________________________________________________________________

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________

pR(8) ‘mnuàXqw’ kivqw my< Awp iks mhwpu{† sy AiDk pRBwivq huE? qk~ sihq ilKy< [

a_______________________________________________________________________

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________

pR(9) – kiv ky Anuswr sbsy bVw AnQ~ #Xw hY ? ‘mnuàXqw’ kivqw ky AwDwr pr bqweE [ a_______________________________________________________________________

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________

pR(10)- ‘mDur-mDur myry dIpk jl’ kivqw ky AwDwr pr bqweE ik e~Üvr pRwiÎq kw mwg~ #Xw hY ? a_______________________________________________________________________

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________

Page 4: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

SUBJECT: SCIENCE Instructions: - Students are required to mark multiple choice questions in the hard copy and bring with them printouts of MCQs on 11th January 2017 onwards.

Multiple Choice Questions 1) A student puts a drop of reaction mixture of a saponification reaction first on a blue litmus

paper and then on a red litmus paper. He may observe that : a. There is no change in the blue litmus paper and the red litmus paper turns white. b. There is no change in the red litmus paper and the blue litmus paper turns red. c. There is no change in the blue litmus paper and the red litmus paper turns blue. d. No change in colour is observed in both the litmus papers

2) For preparing soap in the laboratory we require oil and a base. Which of the following combinations of oil and base would be best suited for preparation of soap? a. Castor oil and calcium hydroxide b. Turpentine oil and sodium hydroxide c. Castor oil and sodium hydroxide d. Mustard oil and calcium hydroxide

3) In the neighbourhood of your school, hard water required for an experiment is not available. Select from the following groups of salts available in your school, a group each member of which, if dissolved in distilled water, will make it hard :

a. Sodium chloride, calcium chloride b. Potassium chloride, sodium chloride c. Sodium chloride, magnesium chloride d. Calcium chloride, magnesium chloride

4) If you are asked to select a group of two vegetables, out of the following, having homologous structures which one would you select?

(a) Carrot and radish (b) Potato and sweet potato

(c) Potato and tomato (d) Lady finger and potato

5) A student while observing an embryo of pea seed in the laboratory listed various parts of

embryo as given below: Testa, Tegmen, Radicle, Plumule, Micropyle, Cotyledon On examining the list the teacher remarked that only three parts are correct. Select three correct parts from the above list: a. Testa, Radicle, Cotyledon b. Tegmen, Radicle, Micropyle c. Cotyledon, Plumule, Testa d. Radicle, Cotyledon, Plumule

6) Suppose you have focused on a screen the image of candle flame placed at the farthest end

of the laboratory table using a convex lens. If your teacher suggests you to focus the parallel rays of the sun, reaching your laboratory table, on the same screen, what you are expected to do is to move the : a. lens slightly away from the screen b. lens slightly towards the screen c. lens slightly towards the sun d. lens and screen both towards the sun

7) To determine the approximate value of the focal length of a given concave mirror, you focus the image of a distant object formed by the mirror on a screen. The image obtained on the screen, as compared to the object is always:

Page 5: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

a. Laterally inverted and diminished b. Inverted and diminished c. Erect and diminished d. Erect and highly diminished

8) In your laboratory you trace the path of light rays through a glass slab for different values of

angle of incidence (∠ i) and in each case measure the values of the corresponding angle of refraction (∠r) and angle of emergence (∠e). On the basis of your observations your correct conclusion is:

e. ∠i is more than ∠r, but nearly equal to ∠e

f. ∠ i is less than ∠r, but nearly equal to ∠e g. ∠ i is more than ∠e, but nearly equal to ∠r h. ∠ i is less than ∠e, but nearly equal to ∠r

9) In the following ray diagram the correctly marked angle are:

a. ∠i and ∠e

b. ∠A and ∠D

c. ∠i, ∠e and ∠D

d. ∠r, ∠A and ∠D

10) The aqueous solutions of copper sulphate and zinc sulphate appear

a. Blue and green respectively b. Green and colourless respectively c. Blue and brown respectively d. Blue and colourless respectively

11) Solutions of copper sulphate, iron sulphate and zinc sulphate are prepared and marked I, II

and III respectively. Few pieces of aluminium are added to each solution. After some time a change will be observed in a. I and II b. II and III c. III and I d. All the three

12) On adding 2 mL acetic acid to 2mL of water in a test tube, it was observed that

a. A clear and transparent solution is formed b. A white precipitate is formed almost immediately c. Two separate layers were formed d. A colourless and odourless gas is evolved

13) On adding acetic acid to sodium hydrogen carbonate in a test tube, a student observes

a. No reaction b. A colourless gas with pungent smell c. Bubbles of a colourless and odourless gas d. A strong smell of vinegar

14) Which one of the following are the correct observations about acetic acid?

a. It turns blue litmus red and smells like vinegar b. It turns blue litmus red and smells like burning sulphur c. It turns red litmus red and smells like vinegar d. It turns red litmus red and has a fruity smell

Page 6: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

15) A student has to determine the focal length of a concave mirror by obtaining the image of a distant object on a screen. For getting best result he should focus a. A distant tree or an electric pole b. A well-illuminated distant building c. Well-lit grills of the nearest window d. A burning candle placed at the distant edge of the laboratory table

16) A student obtained a sharp inverted image of a distant tree on a screen placed in front of

the concave mirror. He then removed the screen and tried to look into the mirror. He would now see a. A very blurred image on the wall opposite to the mirror b. An erect and magnified image of the tree in the mirror c. No image as the screen has been removed d. A highly diminished inverted image of the tree at the focus of the mirror

17) If you are to determine the focal length of a convex lens, you should have

a. A convex lens and a screen b. A convex lens and a lens holder c. A lens holder, a screen holder and a scale d. A convex lens, a screen, holders for them and a scale

18) While performing the experiment on tracing the path of a ray of light through a rectangular

glass slab, in which of the following experimental set-ups is a student likely to get best results? P1 and P2 are the positions of pins fixed by him.

a. I b. II c. III d. IV

19) Four students showed the following traces of the path of a ray of light passing through a rectangular glass slab.

The trace most likely to be correct is that of student

a. I b. II c. III d. IV

Page 7: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

20) Following diagrams were drawn by different students on having seen prepared slides of budding in yeast.

Correct diagrams are

a. I,II,III b. II,III,IV c. III,IV,V d. I,IV,V

21) In which of the following figures is budding not shown?

a. I b. II c. III d. IV

22) The following figures illustrates binary fission in Amoeba in an incorrect sequence

The correct sequence is

a. III,II,IV,I b. III,IV,II,I c. II,III,IV,I d. IV,III,II,I

23) From the following diagrams, select the correct ones showing stages of binary fission in

Amoeba:

a. I,II,III b. IV,II,III c. V,II,III d. IV,I,III

24) A student weighed some raisins and recorded the weight as „x‟. She then soaked the raisins

in distilled water. After about 2 hours she removed the raisins, wiped them dry and weighed again and recorded that as „y‟. The percentage of water absorbed by raisins may be determined using the relationship

Page 8: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

a. y−x

y∗ 100

b. y−x

x∗ 100

c. y−x

x∗

1

100

d. (y − x) ∗ 100

25) In the experiment for determining the percentage of water absorbed by raisins , we do the final weighing of the raisins after keeping them dipped in water for about one hour. For the accuracy of the result, the extra water from the surface of the soaked raisins is removed by a. Rubbing with cotton cloth b. Hot air blower c. Dry cotton wool d. Filter paper

26) When you add about 2 mL of acetic acid to a test tube containing an equal amount of

distilled water and leave the test tube to settle after shaking its contents, then after about 5 minutes what will you observe in the test tube: a. A white precipitate settling at its bottom b. A clear colourless solution c. A layer of water over the layer of acetic acid, or d. A layer of acetic acid over the layer of water

27) A student adds a few drops of ethanoic acid to test tubes X,Y and Z containing aqueous

solutions of sodium hydroxide and sodium carbonate respectively. If he now brings a burning splinter near the mouth of the test tubes immediately after adding the ethanoic acid in each one of them, in which of the test tubes the flame gets extinguished? a. X and Y b. Y and Z c. X and Z d. Only Z

28) In order to study saponification reaction we first prepare 20% solution of sodium hydroxide.

If we record the temperature of this solution just after adding sodium hydroxide flakes to water and also test its nature using litmus, it may be be concluded that the process of making this solution is: a. Exothermic and the solution is alkaline b. Endothermic and the solution is alkaline c. Endothermic and the solution is acidic d. Exothermic and the solution is acidic

29) While studying saponification reaction for the preparation of soap, the teacher suggested to

a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to: a. Reduce the alkalinity of the soap b. Reduce the acidity of the soap c. Enhance the cleansing capacity capacity of soap or d. Favour precipitation of soap

30) A student takes about 6mL of distilled water in each of the four test tubes P,Q,R and S ,

then dissolves an equal amount of four different salts namely sodium chloride in „P‟, potassium chloride in „Q‟, calcium chloride in „R‟ and magnesium chloride in „S‟. He then adds 10 drops of soap solution to each test tube and shakes its content. The test tubes in which scum (insoluble substance) is formed with soap are: a. P and Q b. Q and R

Page 9: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

c. R and S d. Q and S

31) A student has obtained the image of a distant object with a concave mirror to determine its

focal length. If he has selected a well illuminated red building as object, which of the following correctly describes the features of the image formed? a. Virtual, inverted, diminished image in red shade b. Real, erect, diminished image in pinkshade c. Real, inverted, diminished image in red shade d. Virtual, erect, enlarged image in red shade

32) A student has obtained an image of a distant object on a screen to determine the focal

length F1 of the given lens. His teacher after checking the image, gave him another lens of focal length F2 anf asked to focus the same object on the same screen. The student found that to obtain a sharp image he has to move the lens away from the screen. From the finding we may conclude that both the lenses given to the student were: a. Concave and F1<F2 b. Convex and F1<F2 c. Convex and F1>F2 d. Concave and F1>F2

33) Study the following four experimental set-ups I, II, III and IV for the experiment, “To trace the

path of a ray of light through a rectangular glass slab.”

Which of the marked set-ups is likely to give best results (P1 and P2 are the positions of pins fixed on the incident ray)?

a. I b. II c. III d. IV

34) On the basis of their experiment , “To trace the path of a ray of light through a rectangular

glass slab”, students of a class arrived at which one of the following conclusions: a. Angle of incidence is greater than the angle of emergence b. Angle of emergence is smaller than the angle of refraction c. Emergent ray is parallel to the refracted ray d. Incident ray and emergent ray are parallel to each other

Page 10: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

35) The path of a ray light passing through a glass prism is shown below:

In this diagram the angle of prism, angle of incidence, angle of emergence and angle of deviation respectively have been represented by:

a. O, Y, Z and N b. P, Y, M and Z c. O, X, M and Z d. P, X, Z and N

36) A student is observing the diagram showing the path of a ray of light passing through a

glass prism. He would find that for all angles of incidence the ray of light bends: a. Towards the normal while entering into the prism and away from the normal while

emerging out of prism, b. Away from the normal while entering into the prism and towards the normal while

emerging out of the prism, c. Away from the normal while entering as well as while emerging out of the prism, d. Towards the normal while entering as well as while emerging out of the prism.

37) A student was asked by his teacher to find the image distance for various object distances

in case of a given convex lens. He performed the experiment with all precautions and noted down his observations in the following table:

After checking the observation table the teacher pointed out there is a mistake in recording the image distance in one of the observations. Find the serial number of the observation having faulty image distance.

a. 2 b. 3 c. 5 d. 6

38) A student has obtained a magnified image of a flame on a screen using a convex lens. To draw the corresponding ray diagram, to show the image formation, which of the following two rays whose paths after refraction are shown he should select?

Page 11: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

a. I and II b. II and III c. III and IV d. I and III

39) Study the following diagrams showing various stages of binary fission in Amoeba:

The correct sequence of these diagrams should be:

a. I,IV,III,II,V b. I,III,IV,II,V c. I,II,IV,III,V d. I,II,III,IV,V

40) Identify the figures showing the process of budding in yeast.

a. I,II and III b. II,III and IV c. I,II and IV d. III,IV and I

41) Which one of the following pairs of vegetables is an example of homologous structures:

a. Potato and sweet potato b. Carrot and radish c. Carrot and tomato d. Tomato and radish

42) Four students P, Q, R and S differently reported the following set of organs to be analogous: P. Forelimb of a frog and forelimb of a lizard Q. Forelimb of a bird and forelimb of a human R. Wings of a parrot and wings of a butterfly S. Wings of a bird and wings of a bat The two students who have reported correctly are:

a. P and Q b. Q and R

Page 12: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

c. R and S d. P and S

43) You are asked by your teacher to study the different parts of an embryo of a gram seed.

Given below are the steps to be followed for the experiment: I. Soak the gram seeds in plain water and keep them overnight. II. Cut open the soaked seed and observe its different parts. III. Take some dry gram seeds in a petri dish. IV. Drain the excess water. V. Cover the soaked seeds with a wet cotton cloth and leave them for a day. The correct sequence of these steps is: a. III,I,V,IV,II b. III,I,II,IV,V c. III,IV,V,I,II d. III,I.IV,V,II

44) A student takes 2mL acetic acid in a dry test tube and adds a pinch of sodium hydrogen

carbonate to it. He makes the following observations: I. A colourless and odourless gas evolves with a brisk effervescence. II. The gas turns lime water milky when passed through it. III. The gas burns with an explosion when a burning splinter is brought near it. IV. The gas extinguishes the burning splinter that is brought near it. The correct observations are: a. I,II and III b. II,III and IV c. III,IV and I d. IV,I and II

45) In an experiment to study the properties of acetic acid a student takes about 2mL of acetic

acid in a dry test tube. He adds about 2mL of water to it and shakes the test tube well. He is likely to observe that: a. The acetic acid dissolves readily in water b. The solution becomes light orange c. Water floats over the surface of acetic acid d. Acetic acid floats over the surface of water

46) A student prepared 20% sodium hydroxide solution in a beaker containing water. The

observations noted by him are given below. I. Sodium hydroxide is in the form of pellets. II. It dissolves in water readily. III. The beaker appears cold when touched from outside. IV. The red litmus paper turns blue when dipped into the solution. The correct observations are:

a. I,II and III b. II,III and IV c. III,IV and I d. I,II and IV

47) Read the following statements:

I. When a red litmus paper is dipped into reaction mixture of a saponification reaction, it turns blue and the reaction is exothermic. II. When a blue litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is exothermic. III. When a red litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is endothermic.

Page 13: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

IV. When a blue litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is endothermic. Which of the above statements are correct? a. I and II b. II and III c. III and IV d. I and IV

48) Hard water required for an experiment is not available in a school laboratory. However,

following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment. (1) Calcium Sulphate (2) Sodium Sulphate (3) Calcium Chloride (4) Potassium Sulphate (5) Sodium Hydrogen Carbonate (6) Magnesium Chloride a. 1,2 and 4 b. 1,3 and 6 c. 3,5 and 6 d. 2,4 and 5

49) A student focused the image of a distant object using a device „X‟ on a white screen „S‟ as

shown in the figure. If the distance of the screen from the device is 40 cm, select the correct statement about the device.

a. The device X is a convex lens of focal length 20 cm. b. The device X is a concave mirror of focal length 40 cm c. The device X is a concave mirror of radius of curvature 40 cm d. The device X is a convex lens of focal length 40 cm

50) A student obtained a sharp image of a burning candle, placed at the farther end of a

laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do? a. He should move the mirror away from the screen b. He should move the mirror slightly towards the screen c. He should move the mirror as well as the screen towards the newly selected object d. He should move only the screen towards the newly selected object

51) After tracing the path of rays of light through a glass slab for three different angles of

incidence, a student measured the corresponding values angle of refraction r and angle of

emergence e and recorded them in the table given below:

Page 14: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

The correct observations are: a. I and II b. II and III c. I and III d. I,II and III

52) Select from the following the best set-up for the tracing the path of a ray of light through a rectangular glass slab:

a. I b. II c. III d. IV

53) While performing the experiment to trace the path of a ray of light passing through a glass prism, four students marked the incident ray and the emergent ray in their diagrams in the manner shown below.

The correct path of the rays has been shown by:

a. I b. II c. III d. IV

Page 15: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

54) In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray: a. Is parallel to the incident ray b. Perpendicular to the incident ray c. Is parallel to the refracted ray d. Bends at an angle to the direction of incident ray

55) Study the following ray diagrams

The diagrams showing the correct path of the ray after passing through the lens are: a. II and III only b. I and II only c. I,II and III d. I, II and IV

56) Out of the five incident rays shown in the figure find the three rays that are obeying the laws of refraction and may be used for locating the position of image formed by a convex lens:

a. 1,2 and 3 b. 2,3 and 4 c. 3,4 and 5 d. 1,2 and 4

57) Select the correct statements for the process of budding yeast:

I. A bud arises from a particular region on a parent body. II. A parent cell divides into two daughter cells, here the parental identity is lost. III. Before detaching from the parent body a bud may form another bud IV. A bud when detaches from the parent body grows into a new individual a. I,II and III b. II,III and IV c. III,IV and I d. IV,I and II

Page 16: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

58) Study the different conclusions drawn by students of a class on the basis of observations of

preserved/available specimens of plants and animals. I. Potato and sweet potato are analogous organs in plants II. Wings of insects and wings of birds are homologous organs in animals. III. Wings of insects and wings of bats are analogous organs in animals IV. Thorns of citrus and tendrils of cucurbita are analogous organs in plants The correct conclusions are: a. I and II b. II and IV c. I and III d. III and IV

59) You have potato, carrot, radish, sweet potato, tomato and ginger bought from the market in

your jute bag. Identity two vegetables to represent the correct homologous structures. a. Potato and tomato b. Carrot and tomato c. Potato and sweet potato d. Carrot and radish

60) In the figure, the parts marked A, B and C are sequentially:

a. Plumule, Radicle and Cotyledon b. Padicle, Plumule and Cotyledon c. Plumule, Cotyledon and Radicle d. Radicle, Cotyledon and Plumule

Following are 2 marks questions each:-

Biology- 61) A student is observing a permanent slide showing sequentially the different stages of

asexual reproduction taking place in yeast. Name this process and draw diagrams, of what he observes, in a proper sequence. Chemistry-

62) A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his notebook, about the reaction that takes place. Also write chemical equation for the reaction. Physics-

63) An object of height 2.5cm is placed at a distance of 15 cm from the optical centre „O‟ of a convex lens of focal length 10cm. Draw a ray diagram to find the position and size of the image formed. Mark optical centre „O‟, principal focus F and height of the image on the diagram.

Page 17: SUBJECT : PUNJABI (II LANGUAGE)dpsjalandhar.in/UserSpace/News/3321/Docs/10th WINTER HOLIDAY … · bring with them printouts of MCQs on 11th January 2017 onwards. Multiple Choice

SUBJECT: SOCIAL SCIENCE General Instructions: Do the following questions in the homework notebook.

Civics Q1. What were the demands put forth by the leaders of political parties in Nepal? Q2. “Democracy evolves through popular struggles”. Justify Q3. What are the similarities found in the case studies of Nepal and Bolivia? Q4. What was the Fedecor comprised of? Q5. Write a short note on BAMCEF. Q6 Discuss the aims and objectives of Promotional groups.

History Q1. How did the language play an important role in developing nationalist sentiments in Europe?

Give example Q2. “Habsburg Empire was a patchwork of many different people and regions”. Comment Q3. Briefly trace the process of Italian unification and German unification. Q4. How was history of nationalism in Britain unlike the rest of Europe?

Economics

Q 1: Discuss with the help of suitable example the contribution of mobile manufacturing

companies in the development of our country. Take example of any two Multinational

companies and show how have they influenced the production in local areas.

Geography

Instructions : On the outline maps of India mark the given contents with suitable conventional signs. Chapter 5 Mineral and Energy Resources

1. Iron ore mines:- Mayurbhanj, Durg, Bailadila,Bellary&Kudremukh.

2. Mica mines:- Ajmer, Beawar,Nellore, Gaya& Hazaribagh.

3. Coal Mines:- Raniganj, Jharia, Bokaro, Talcher,Korba,Singrauli,singreni & Neyveli.

4. Oil fields:- Digboi, Naharkatia,Mumbai high, Bassien, Kalol & Ankaleshwar.

5. Power plants:

(1) Thermal Power plants:-Namrup, Talcher,Harduagang, Korba,

Uran,Ramagundam,Vijayawada &Tuticorin.

(2) Nuclear power plants:- Narora, Rawat Bhata, Kakrapara,Tarapur,Kaiga & Kalpakkam.

Chapter 6 Manufacturing Industries:-

1. Cotton textile industries:- Mumbai,Indore,Ahmedabad,Surat,Kanpur,Coimbatore&

Madurai.

2. Woolen Industry:- Srinagar,Amritsar,Ludhiana,panipat,Mirzapur& Jamnagar.

3. Silk Industry:- Anantnag,Srinagar, Murshidabad & Mysore.

4. Iron &Steel Plants:- Burnpur,Durgapur,bokaro,Jamshedpur,Rourkela,Bhilai,Vijayanagar,

Bhadravati &Salem

5. Software Technology Parks:- Mohali, Noida,Jaipur,Gandhinagar,indore,Mumbai,

Pune,Kolkata, Bhubneshwar ,Visakhapattnam Hydrabad, Bangalore, Mysore, Chennai &

Thiruvanantapuram