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Important Instructions for the

School Principal

(Not to be printed with the question paper)

1) This question paper is strictly meant for use in school based SA-I, September-2012 only.

This question paper is not to be used for any other purpose except mentioned above under

any circumstances.

2) The intellectual material contained in the question paper is the exclusive property of

Central Board of Secondary Education and no one including the user school is allowed to

publish, print or convey (by any means) to any person not authorised by the board in this

regard.

3)

The School Principal is responsible for the safe custody of the question paper or any other

material sent by the Central Board of Secondary Education in connection with school

based SA-I, September-2012, in any form including the print-outs, compact-disc or any

other electronic form.

4) Any violation of the terms and conditions mentioned above may result in the action

criminal or civil under the applicable laws/byelaws against the offenders/defaulters.

Note:Please ensure that these instructions are not printed with the question

paper being administered to the examinees.

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I, 2012

SUMMATIVE ASSESSMENT I, 2012

/ SCIENCE

IX / Class IX

3 90

Time allowed : 3 hours Maximum Marks : 90

(i)

(ii)

(iii)

(iv)

(v) 1 3

(vi) 4 7 30

(vii) 8 19 50

(viii) 20 24 70

(ix) 25 42

General Instructions :

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

sections.

(ii) Allquestions 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) Allquestions of Section-Aand allquestions of Section-Bare to be attempted separately.

(v) Question numbers 1to 3in Section-Aare one markquestions. These are to be answered in

one wordor in one sentence.

(vi) Question numbers 4to 7in Sections-Aare two marksquestions. These are to be answered

in about 30 wordseach.

(vii) Question numbers 8to 19in Section-Aare three marksquestions. These are to be answered

in about 50 wordseach.

(viii) Question numbers 20to 24in Section-Aare five marksquestions. These are to be answered

in about 70 wordseach.

(ix) Question numbers 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.

SC1-078

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SECTION-A

1. CNG

Name the property of gases due to which it is possible to fill CNG in cylinders

for using as fuel in cars.

1

2. DNA

Name the functional unit of DNA that carries genetic information.

1

3.

Name the physical quantity on which the inertia of a body depends upon.

1

4.

Mention the physical quantities and the manner in which these need to be

altered for liquefying gases.

2

5. 225 g 25 g /

A solution contains 25 g of sugar in 225g of water. Calculate the concentration in

terms of mass by mass percentage of the solution.

2

6.

Name the tissue which helps in transportation of oxygen that we inhale to

various parts of our body. Write the composition of this tissue.

2

7.

State the universal law of gravitation. Derive its expression.

2

8.

There is a water reservoir near the village and a river flows near the village. Due

to insufficient rain farmers are worried about their crops. Suggest and explain

the irrigation practice that can be adopted to supply water to the entire

agricultural land in the village.

3

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9.

Name one local and one Italian variety of bee that is commonly used for

commercial production of Honey. Give four reasons to explain why Italian bee

is commonly preferred for the purpose.

3

10. (a)

(b)

(i)

(ii)

(a) Define latent heat of vaporization.

(b) Give reason :

(i) You feel cold when you pour some nail polish remover on your

palm.

(ii) During summer sitting under a fan makes us comfortable.

3

11.

Give any three differences between a mixture and compound.

3

12.

Write any three points of difference between Prokaryotic and Eukaryotic cells.

3

13.

Draw diagram of a Neuron. Label any four parts.

3

14.

(i)

(ii)

(iii)(iv)

(v)

(vi)

Name the following :(i) Tissues that form the inner lining of our mouth.(ii) Tissues that transport water in plants(iii) Tissues present in coconut husk.(iv) Tissues that carry signals from various parts of our body to brain(v) Tissues that forms the lining of kidney.

(vi) Tissue present in ear and nose.

3

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15.

What conclusion can you draw about the motion, velocity and acceleration of abody from the displacement time graph given below ? Give reason for youranswer.

3

16.

Obtain mathematically the first law of motion from Newtons second law ofmotion.

3

17. m1 5 N 10m/s2 m

2

20 m/s2

A force 5 N gives a mass m1, an acceleration of 10m/s2 and a mass m

2, an

acceleration of 20 m/s2. What acceleration would it give if both the masses weretied together ?

3

18.

When is an object said to be in free fall ? What is meant by acceleration due togravity ? Derive an expression for acceleration for an object falling freely.

3

19.

List three differences between mass and weight.

3

20. (a)

(b)

5

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(a) Explain two ways by which biological waste can be recycled and made

useful for enriching the soil with nutrients and organic matter. How is

green manure prepared ? Mention its advantage.

(b) Why is it essential to remove weeds from the crop fields during the early

stages of crop growth ? Give any two reasons.

OR

(a)

(b)

(a) Name the process used for developing improved poultry breeds. Give its

one example. Write any three desirable traits for which new varieties are

developed.

(b) In a pond Catlas, Rohus, Mrigals, Common Carp and Grass Carps are

cultured together. What is this system of fish culture called as ? Explain

its advantages ?

21.

Define evaporation. List the factors on which the rate of evaporation dependsand explain how it depends on each of them.

OR

Explain the different processes involved in the flowchart given below.

5

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22.

Draw a flow diagram of the steps involved in the separation of components of

air. Name this process and also write names of any two gases thus separated.

OR

(a) (b)

Discuss briefly the principle and two applications of the techniques used in the

separation of the following :

(a) Cream from milk (b) Colours in a dye.

5

23. (a)

(b)

(a) Derive the equation of position time relation from velocity-time graph

of a body moving with a uniform acceleration.

(b) Draw a velocity versus time graph for a stone thrown vertically upwards

and then coming downwards after attaining the maximum height.

OR

(a)

(b)

(a) Derive the equation of position velocity relation from velocity time

graph of a body moving with uniform acceleration.

(b) Draw a distance time graph for a stone thrown vertically upwards and

then coming downwards after attaining the maximum height.

5

24. (a) S.I

(b) 1.5 kg

2.5 ms1

5

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(a) Define momentum. Write its S.I. units. State the law of conservation of

momentum.

(b) Two objects each of mass 1.5 kg are moving in the same straight line but

in opposite direction. The velocity of each object is 2.5 ms1 before

collision during which they stuck together. Find the velocity of

combination after collision.

OR

(a)

(i)

(ii)

(b)

(a) Give reasons and state the law involved in the situations given below :

(i) A passenger falls to his front side when the bus suddenly stops.

(ii) The athletes are made to fall on a cushioned bed in a high jump.

(b) A child is pedaling a bicycle. Then he stops pedaling and the bicycle

comes to rest after traveling certain distance. Name the force which

opposes the motion.

/ SECTION - B

25.

(a)

(b)

(c)

(d)

Shashank was carrying a bottle of Iodine. While walking on a slippery surface

he lost his balance and splashed Iodine on his shirt and trousers. Stain on

trouser was yellowish brown while that on his shirt turned blue black. The most

possible reason for this is that :

(a) Shirt was dyed with metanil yellow.

(b) Shirt was starched after washing.

(c) Trouser was starched but not the shirt.

(d) Shirt has absorbed sweat.

1

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26. A, B, C D

(i) A HNO3 (ii) B HCl

(iii) C NaOH (iv) D

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

Four samples of arhar dal were taken in four test tubes with some water in each

and labelled A, B, C and D. A few drops of the following were added to these

test tubes :

(i) HNO3to test tube A (ii) HCl to test tube B

(iii) NaOH to test tube C (iv) alcohol to test tube D

In which of the following test tubes will we be able to confirm the adulteration

of dal with metanil yellow.

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

1

27.

(a) (b)

(c) (d) (a), (b), (c)

To determine the melting point of ice, we have to take :

(a) very cold water (b) crushed ice

(c) ice cubes (d) either (a) or (b) or (c)

1

28.

(a)

(b)

(c)

(d)

The thermometer that should be used to determine the boiling point of water is :

(a) Maximum and minimum thermometer

(b) Clinical thermometer

(c) Celsius thermometer

(d) Room thermometer

1

29.

(a)

(b)

(c)(d)

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In separating the components of a mixture of sand, common salt and

ammonium chloride, the correct sequence of steps is :

(a) Filtration, decantation, evaporation, sublimation

(b) Evaporation, filtration, decantation, sublimation

(c) Sublimation, filtration, decantation evaporation

(d) Sublimation, evaporation, filtration, decantation

30.

(a) (b)

(c) (d)

A mixture of sand, powdered glass and common salt is dissolved in water and

then filtered. The substance left on filter paper is :

(a) common salt (b) sand and powdered glass

(c) only sand (d) only powdered glass

1

31.

(a)

(b)

(c)

(d)

To sublime ammonium chloride the set of apparatus required is :(a) tripod stand, wire gauze, burner, china dish, funnel, cotton

(b) tripod stand, wire gauze, burner, china dish, funnel, beaker

(c) tripod stand, burner, china dish, funnel, cotton

(d) tripod stand, burner, china dish, funnel, beaker

1

32.

(a) (b) (c) (d)

Which of the following do not form a true solution ?

(a) salt (b) sugar (c) alum (d) soap

1

33.

(a)

(b)

(c)

(d)

1

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A mixture of iron filings and sulphur is heated gently in a hard glass test tube.

The observation would be :

(a) sulphur will start melting first

(b) iron will start melting first

(c) sulphur will sublime

(d) both will melt at the same time

34.

(a) (b)

(c) (d)

Copper sulphate on heating :

(a) changes from blue to black (b) changes from blue to white

(c) liberates brown colour gas (d) changes from blue to brown

1

35.

(a)

(b)

(c)

(d)

In the cells of an onion peel, the nucleus is seen on one side of the cell because of

the :

(a) presence of large central vacuoles

(b) presence of many large vacuoles(c) presence of many small vacuoles

(d) absence of vacuoles

1

36.

(a)

(b)

(c)

(d)A cover slip is placed over the specimen to :

(a) crush the cells in order to see the organelles clearly.

(b) remove extra stain and water.

(c) prevent the tissue from drying.

(d) prevent glycerin from leaking out.

1

37.

(i)

(ii)

1

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(iii)

(iv)

(a) (iii) (iv) (ii) (i) (b) (iii) (ii) (i) (iv)

(c) (iii) (iv) (i) (ii) (d) (i) (ii) (iv) (iii)Given below is the incorrect sequence for preparing a temporary mount of

human cheek cells

(i) putting of cover slip gently over the material

(ii) putting a drop of glycerine on the material

(iii) taking scraping from inner side of the cheek and spreading it on a clean

side.

(iv) adding a few drops of methylene blue on the material.

The correct sequence to prepare a temporary mount is :

(a) (iii) (iv) (ii) (i) (b) (iii) (ii) (i) (iv)(c) (iii) (iv) (i) (ii) (d) (i) (ii) (iv) (iii)

38. X, Y Z

(a) X Y Z

(b) X Y Z

(c) X Y Z

(d) X Y Z

Identify X, Y and Z in the figure of a striated muscle.

(a) X striations Y vacuoles Z Light band

(b) X dark band Y nucleus Z vacuoles

(c) X dark band Y vacuoles Z light band(d) X dark band Y nucleus Z light band

1

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39. X Y

(a) X Y (b) X Y

(c) X Y (d) X Y

The part X and Y in the following diagram of a tissue should be labelled as :

(a) X Cell wall, Y Lumen (b) X Lumen, Y Cell wall

(c) X Pit, Y Lumen (d) X Pit, Y Cell wall

1

40. 3 g 5 g

(a) 70% (b) 55% (c) 66% (d) 60%

Shyam took 3 g of raisins and soaked it in water for few hours. He weighed the

raisins and found the weight to be 5 g. The percentage of water absorbed by

raisins is :

(a) 70% (b) 55% (c) 66% (d) 60%

1

41. 01 kgwt

100(a) 100 gwt (b) 1 gwt (c) 10 gwt (d) 5 gwt

The spring balance used for measuring the minimum force required to pull a

block is of range 01 kgwt and has total 100 divisions on its scale. Its least caunt

is :

(a) 100 gwt (b) 1 gwt (c) 10 gwt (d) 5 gwt

1

42. F1

F2 F3

1

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(a) F1> F2> F3 (b) F2> F1> F3

(c) F3> F1> F2 (d) F1 F2 F3

Mohit measured minimum force required to pull a wooden block to be F1when

it was placed on a wooden table. He repeated the experiment by placing the

block on glass surface and on a card board and measured forces to be F2and

F3 respectively. He tried to establish a relationship between the three. The

correct relation would be :

(a) F1> F2> F3 (b) F2> F1> F3

(c) F3> F1> F2 (d) F1 F2 F3

- o O o -