SUMMATIVE ASSESSMENT –I (2011) - Jain Heritage School 9/Science/07.pdf · SUMMATIVE ASSESSMENT...

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SUMMATIVE ASSESSMENT –I (2011)

Lakdfyr ijh{kk&I SCIENCE / foKku

Class – IX / & IX

Time allowed: 3 hours Maximum Marks: 90 fu/kkZfjr le; % 3 ?k.Vs vf/kdre vad % 90

General Instructions:

(i) The question paper comprises of two sections, A and B. You are to attempt both

the sections.

(ii) All questions are compulsory.

(iii) There is no overall choice. However, internal choice has been provided in all the

five questions of five marks category. Only one option in such questions is to be

attempted.

(iv) All questions of section A and all questions of section B are to be attempted

separately.

(v) Questions 1 to 3 in section A are one mark questions. These are to be answered in

one word or in one sentence.

(vi) Questions 4 to 7 in section A are two marks questions. These are to be answered

in about 30 words each.

(vii) Questions 8 to 19 in section A are three marks questions. These are to be

answered in about 50 words each.

(viii) Questions 20 to 24 in section A are five marks questions. These are to be

answered in about 70 words each.

(ix) Questions 25 to 42 in section B are multiple choice questions based on practical

skills. Each question is a one mark question. You are to select one most

appropriate response out of the four provided to you.

lkekU; funsZ”k %

(i) bl iz”u i= dks nks Hkkxksa, Hkkx v vkSj Hkkx c esa ckaVk x;k gSA vkidks nksuksa Hkkxksa ds iz”uksa ds mRrj

fy[kus gSaA

(ii) lHkh iz”u vfuok;Z gSaA

(iii) iwjs iz”u i= ij dksbZ p;u izkIr ugha gS ijUrq ikap&ikap vadks ds ikWap iz”uksa esa Hkhrjh p;u fn;k x;k

gSA bu iz”uksa esa vki d soy ,d Hkhrjh p;u dks mRrj fy[kus ds fy, pqu ldrs gSaA

(iv) vkidks Hkkx v vkSj Hkkx c ds lHkh iz”uksa ds mRrj iF̀kd&i`Fkd fy[kus gksaxsA

(v) Hkkx v ds iz”u la[;k 1 ls 3 ds iz”u ,d&,d vad ds gSaaA buds mRrj ,d “kCn vFkok ,d okD; esa

nsaA

470024

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(vi) Hkkx v ds iz”u la[;k 4 ls 7 ds iz”u nks&nks vadksa ds gSaA buds mRrj yxHkx 30&30 “kCnksa esa nsus gSaA

(vii) Hkkx v ds iz”u la[;k 8 ls 19 ds iz”u rhu&rhu vadksa ds gSaA buds mRrj yxHkx 50&50 “kCnksa esa nsus

gSaA

(viii) Hkkx v ds iz”u la[;k 20 ls 24 ds iz”u ikap&ikap vadksa ds gSaA buds mRrj yxHkx 70 “kCnksa esa nsus gSaA

(ix) Hkkx c ds iz”u la[;k 25 ls 42 ds iz”u iz;ksxkRed dkS”ky ij vk/kkfjr cgqfodYih iz”u gSaA izR;sd

iz”u ,d vad dk gSA fn, x;s pkj fodYiksa esa ls vkidks dsoy ,d lcls mi;qDr fodYi pquuk gSA

Section A 1. The melting points of three solids X, Y and Z are 298 K, 314 K and 398 K respectively. Arrange

these in increasing order of their inter particle force of attraction.

X, Y Z 298 K, 314 K 398 K

2. Give the net force acting on a body at rest.

3. Name the cell organelle which is able to destroy a damaged cell.

4. A solution contains 40g of common salt in 360g of water. Calculate the concentration in terms of

mass by mass percentage of the solution.

40g 360g

5. A ball is thrown vertically upwards with a velocity of 49 ms-1. Calculate

(a) the maximum height to which it rises .

(b) the total time it takes to return to the surface of the earth. (g=9.8 m/s2)

49 ms-1

(a)

(b) (g=9.8 m/s2)

6. What is meant by endocytosis ? Name an organism which used this process.

7. Write the function of bone, cartilage, ligament and tendon ?

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8. Suggest an activity to show that the rate of diffusion of liquids decreases with increase in

density of the liquid.

9. (a) Name the separation technique you would follow to separate the following mixtures.

(i) Clear water from Muddy water

(ii) kerosene and water

(iii) iron filings and sand

(iv) sulphur powder and charcoal powder

(b) What is the advantage of fractional distillation over simple distillation ?

(a)

(i)

(ii)

(iii)

(iv)

(b)

10. What is uniform circular motion ? ―Uniform circular motion is an accelerated motion‖. Justify

this statement giving an example or activity.

11. Give reasons :

(a) It is difficult for a fireman to hold a hose, which ejects a large amount of water at

high velocity.

(b) Action and reaction do not cancel out each other.

(a)

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(b)

12. State the Universal law of Gravitation. Calculate the magnitude of the gravitational force 3

between the Earth and a 1 kg object on its surface.

[ Mass of earth 6 1024 kg ; radius of earth 6.4 106 m ;

G 6.67 1011 Nm2 kg2 ]

1 kg

[ 6 1024 kg ; 6.4 106 m ;

G 6.67 1011 Nm2 kg2 ]

13. (a) What is meant by inertia of a body ? 3

(b) In the figure below, a pile of similar coins is hit very strongly at the bottom of the pile by a

striker. What will happen to the

(i) lowest coin

(ii) rest of the coins

explain your observation with reason.

(i)

(ii)

14. Explain why the value of ‗g‘ changes from poles to equator on the surface of the earth. State how

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would it‘s value change on moving :

(a) towards the centre of the earth,

(b) away from the earth?

‗g‘

(a)

(b) ‗g‘ ?

15. (a) Draw labelled diagram showing the location of meristematic tissues.

(b) Give features of meristematic tissue.

(a)

(b)

16. Name the tissue responsible for flexibility in plants. How would you differentiate it from other

permanent tissues ?

17. What are the two types of endoplasmic recticulum ? Mention one function of each.

18. Distinguish between fertilizers and manure. Write any two advantages of manure and any two

disadvantages of fertilizers ?

19. Compare the use of manure and fertilizer in maintaining the fertility of soil.

20. (a) You are given a mixture of sand, water and mustard oil . How will you separate the

components of this mixture ? Explain it with the help of different separation methods

involved in it.

(b) Give flow diagram showing the process of obtaining gases from air.

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(a)

(b) (Flow Diagram)

OR

(a) (a) How will you separate the mixture of petrol and water. Explain it with the help of

labelled diagram with four labels.

(b) Give any two points of difference between a mixture and a compound.

(a)

(b)

21. (i) What are metalloids ? Which one of these is a metalloid — barium or boron ?

(ii) Differentiate between

metals and non metals

(i)

(ii)

OR (a) What is matter ?

(b) ―The rate of diffusion of liquids is higher than that of solids.‖ Why ?

(c) Write two properties of gases and two properties of solids.

(d) Write the full form of :

(i) LPG (ii) CNG

(a)

(b)

(c)

(d)

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(i) (ii)

22. (a) A cracker of mass 100 g explodes into two pieces of equal mass. Show that these two

pieces of crackers fly in opposite directions.

(b) An object of mass 100 kg is accelerated uniformly from a velocity of 5 m/s to 8 m/s in 6 s. Calculate the

(i) initial and final momentum of the object.

(ii) magnitude of the force exerted on the object.

(a) 100 g

(b) 100 kg 5 m/s 6 s 8 m/s

(i)

(ii)

OR (a) State newtons second law of motion and define the unit of force.

(b) Find the force acting on a body of mass 5 kg accelerating with an acceleration of

2 m/s2

(c) A force produces an acceleration of 2 m/s2 in a body A and 5 m/s2 in another body ‗B‘.

Find the ratio of the masses of A and of B.

(a)

(b) 5 kg 2 m/s2

(c) A B 2 m/s2 5 m/s2 A B

23. The velocity-time graph of an ascending passenger lift is shown in the figure below.

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(i) Mention the kind of motion of lift represented by parts OA and BC of the graph.

(ii) What is the acceleration of the lift -

(a) during the first two seconds ?

(b) between 2nd and 10th second ?

(c) during the last two seconds ?

(a)

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(i) OA BC

(ii)

(a) 2s

(b)

(c)

OR The following is the velocity-time graph for a moving body.

Find :

(a) The velocity with which motion started ?

(b) Velocity of the body at point C.

(c) Acceleration acting on the body between A and B.

(d) Acceleration acting on the body between B and C.

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(i)

(ii) C

(iii) A B

(iv) B C

24. What is animal husbandry ? How do milch animals differ from draught animals ? Describe the

types of animal feed.

OR (a) What is meant by ‗sustainable agriculture‘ ?

(b) Give an example to explain the meaning of integrated farming practice.

(c) List the three major groups of activities to be followed to increase the crop yield.

(a)

(b)

(c)

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Section B

25. The particles of suspension.

(a) Can be seen with naked eye

(b) Cannot be seen with naked eye

(c) Cannot be seen with microscope

(d) None of these

(a)

(b)

(c)

(d)

26. Solution of egg albumin in water is :

(a) a true solution (b) a colloidal solution

(c) a suspension (d) none of these

(a) (b)

(c) (d)

27. When we start heating mixture of sulphur powder and iron filings, we observe that :

(a) sulphur starts melting (b) iron filings start melting

(c) mixture becomes red hot (d) mixture evaporates

(a) (b)

(c) (d)

28. Sodium sulphate and barium chloride solutions are mixed in a test tube. A white precipitate

is formed. What type of change is this ?

(a) Physical change

(b) Physical and chemical change both

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(c) Chemical change

(d) None of the above

(a)

(b)

(c)

(d)

29. Which one of the following we use to identify the gas evolved when dilute HCl reacts with zinc

metal ?

(a) Blue litmus paper (b) Red litmus paper

(c) A burning splinter (d) Lime water

(a) (b)

(c) (d)

30. The least count of a thermometer which has 19 graduations between 10C and 20C is :

(a) 0.5C (b) 0.1C (c) 0.2C (d) 1.0C

10C 20C 19

(a) 0.5C (b) 0.1C (c) 0.2C (d) 1.0C

31. Observe the following set up which has mixture of camphor and sand. A is the :

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(a) residue camphor (b) residue sand.

(c) sublimate sand (d) sublimate camphor

A

(a) (b)

(c) (d)

32. The iron sulphide formed by heating iron filings and sulphur is treated with dil sulphuric acid. A

colourless gas is evolved which :

(a) has no smell, but turns lead acetate paper black

(b) has a foul smell

(c) has a sweet smell

(d) none of the above

(a)

(b)

(c)

(d)

33. When dilute sulphuric acid is added to granulated zinc placed in a test tube, the observation

made is :

(a) the surface of the metal turns shining.

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(b) the reaction mixture turns milky.

(c) the odour of chlorine is observed.

(d) a colourless and odourless gas evolves with bubbles.

(a)

(b)

(c)

(d)

34. Which among the following statements is incorrect about ammonium chloride ?

(a) It is a solid at room temperature

(b) It directly changes into vapour on heating

(c) It is soluble in water

(d) It melts at room temperature and changes into a liquid.

(a)

(b)

(c)

(d)

35. A student soaked 10 g raisins in 75 mL of distilled water in two beakers A and B. He maintained

beaker A at 16C and beaker B at 32C. After an hour, the percentage of water absorbed will be :

(a) Same in beaker A and B (b) more in A than in B

(c) more in B than in A (d) twice as much in B as in A

10 g 75 mL A B A 16C

B 32C 1

(a) A B (b) A B

(c) B A (d) B A

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36. The cover slip is gently pressed down to :

(a) crush the cells

(b) remove extra stain and water

(c) allow the entry of glycerin into the slide

(d) spread the cells uniformly

(a)

(b)

(c)

(d)

37. The following statements describe the steps to detect the presence of metanil yellow in dal.

One of the four statements given below is incorrect.

(A) Take 2 mL of food extract.

(B) Grind 3-5 g of dal and prepare solution.

(C) Add 2-4 drops of concentrated sulphuric acid.

(D) Filter the contents and collect the filterate.

The incorrect statement is :

(a) D (b) A (c) C (d) B

(A) 2 mL

(B) 3-5

(C) 2-4

(D)

(a) D (b) A (c) C (d) B

38. Chirag added 1 or 2 drops of iodine to three test tubes A,B and C containing 2 mL of food

sample. A dark blue black colour appeared in test tubes A and B. The correct order of the

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food samples taken in the two test tubes A and B is :

(a) Rice, dal, potato (b) Rice, potato, dal

(c) Potato, dal, rice (d) Rice, dal, dal

‗A‘, ‗B‘ ‗C‘ 2 mL 1 - 2

‗A‘ ‗B‘ A B

(a) (b)

(c) (d)

39. The human cheek cells are :

(a) rectangular (b) round or oval

(c) irregular in shape (d) spindle shaped

(a) (b)

(c) (d) (Spindle)

40. Which of the observations noted by Ayush about the sclerenchyma tissue is correct ?

(a) The cells are thin walled.

(b) The cells are thickened at the corners.

(c) The cells have very little intercellular space.

(d) The cells have no intercellular space.

(a)

(b)

(c)

(d)

41. A student recorded the mass of dry raisins as 4 g and the mass of raisins after soaking as 7 g.

The percentage of water absorbed by raisin is –

(a) 20 % (b) 10 % (c) 75 % (d) 40 %

4 g 7 g

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(a) 20 % (b) 10 % (c) 75 % (d) 40 %

42. The part labeled X in the diagram of the neuron depicts :

(a) Dendrite (b) Axon (c) Muscle fibre (d) Cell body.

X

(a) (b) (c) d)

SUMMATIVE ASSESSMENT –I (2011) - Jain Heritage School 9/Science/07.pdf · SUMMATIVE ASSESSMENT...

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