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Summative Assessment-1 2014-2015

Science

Class – IX

Time allowed: 3:00 hours Maximum Marks: 90

General Instructions:

a) The question paper comprises of two sections A and B. You are to attempt both the

sections.

b) All questions are compulsory.

c) All questions of Section – A and Section – B are to be attempted separately.

d) Q. No. 1 to 3 in Section A – 1 marks questions. These are to be answered in about one

word or in one sentence.

e) Q. No. 4 to 7 in Section A – 2 marks questions. These are to be answered in about 30

words each.

f) Q. No. 8 to 19 in Section A – 3 marks questions. These are to be answered in about 50

words each.

g) Q. No. 20 to 24 in Section A – 5 marks questions. These are to be answered in about 70

words each.

h) Q. No. 25 to 42 in Section B are MCQ based on practical skills. Each question is a 1 mark

question. You are to select one most appropriate response out of the four provided to

you.

Section A

1. Convert 293 K to the Celsius scale.

2. What is the SI unit of force?

3. Where are the protein synthesized inside the cell?

4. For any substance, why does the temperature remain constants during the change of state?

5. Write two differences between Homogeneous and Heterogeneous Mixture.

6. Why is the weight of an object on the moon 1/6th its weight on the earth?

7. Write two function of stomata.

8. Which method is commonly used for improving cattle breeds and why?

9. Write at least three differences between fertilizer and manure?

10. Liquids generally have lower density as compared to solids. But you must have observed that

ice floats on water. Find out why?

11. You are given a mixture of sodium chloride and ammonium chloride. Name and define the

technique, which can be used to obtain ammonium chloride from the above mixture.

12. a) Define displacement.

b) An athlete completes one round of a circular track of diameter 200 meter in 40 seconds.

What will be the distance covered and the displacement at the end of 2 minutes 20

seconds.

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13. State Newton’s three laws of motion.

14. Explain why

a) A gun recoils on firing?

b) When a carpet is beaten with a stick, dust comes out of it?

15. State Newton’s universal law of gravitation and write an expression for it.

16. What happens to be force between two objects, if

a) The mass of one object is doubled?

b) The distance between the object is doubled and triple?

c) The mass of both object are doubled?

17. Draw the structure of plant cell and label its parts.

18. a) With the help of only schematic line diagram, show classification of permanent tissue.

b) Write the main function of vascular tissue in plants.

19. Name the following

a) Tissue that forms lining of our mouth

b) Tissue that connects muscle to bone in humans

c) Tissue that are found in skin

d) Tissue that stores fat in our body

e) Connective tissue with a fluid matrix

f) Tissue present in our brain

20. What are the three steps commonly used for the genetic improvement of various plants?

21. Name A, B, C D, E and F in the following diagram showing change in the state:-

22. Which separation techniques will you apply for the separation of the following:-

a) Sodium chloride from its solution in water

b) Ammonium chloride from a mixture containing sodium chloride and ammonium chloride

c) Small pieces of metal in the engine oil of a car

d) Different Pigment from an extract of flower petals

e) Butter from curd

23. a) Define Acceleration.

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b) A train starting from rest attains a velocity of 172 Kmh− in 5 minutes. Assuming that the

acceleration is uniform, find

(i) The acceleration.

(ii) The distance travelled by the train for attaining this velocity.

Or

a) Define Average speed.

b) Abdul, while driving to school, computes the average speed for his trip to be 120 Kmh− on

his return trip along the same route, there is less traffic and the average speed is 130 Kmh− . What is the average speed for Abdul’s trip?

24. a) State the law of conservation of momentum.

b) Two object of masses 100 g and 200 g are moving along the same line and direction with

velocities of 12 ms− and 11 ms− respectively. They collide and after the collision, the first

object moves at a velocity of 11.67 ms− . Determine the velocity of the second object.

Section – B

MCQ Set. I

25. Teacher gave four solution separately in test tube A, B, C and D. He also gave a yellowish

brown solution and asked to mix a few drops of it in each test tube. The colour of solution B

turned blue black. The yellowish brown solution is:

a) Bromine water

b) Iodine water

c) Litmus solution

d) A dry solution

26. Chemical formula of glucose is

a) 6 11 6C H O

b) 6 12 6C H O

c) 5 10 5C H O

d) 12 22 11C H O

27. Which of the following pairs will not exhibit diffusion:

a) Hydrogen, Oxygen

b) Oxygen, water

c) Salt, sand

d) Sugar crystal, water

28. Which of the following substances when added to water at room temperature does not form

a true solution

a) Sugar

b) Alum

c) Common salt

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d) Starch

29. Which of the following shows Tyndall effect

a) True solution

b) Colloidal solution

c) Suspension solution

d) None of these

30. Which of the following mixture is translucent:

a) Salt in water

b) Sugar in water

c) Sand in water

d) Milk in water

31. Mixture of Iron and Sulphur is:

a) Homogeneous

b) Heterogeneous

c) Both A and B

d) None of these

32. When a strip of Magnesium ribbon is burn in air:

a) Black ash is obtained

b) A pungent smelling gas evolves

c) Dazzling white light is produced

d) An ash is formed which turns blue litmus red

33. Rahul placed an Iron strip in copper sulphate solution and after about four hours observed

that:

a) A grey and hard coating is deposited on the iron strip

b) A soft and black coating is deposited on the iron strip

c) A reddish brown coating is deposited on the iron strip

d) A smooth and shiny coating is deposited on the iron stip

34. The colour of sodium sulphate is:

a) Colourless

b) Light blue

c) Light milky white

d) Light green

35. In the figure shown, the object will move

a) In the direction of AB

b) In the direction of AD

c) In the direction of BC

d) In the direction of DC

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36. A stretched spring

a) Pulls the body connected to it

b) Pushes the body connected to it

c) Compressed the object connected to it

d) Decompresses the object connected to it

37. The order of labeling 1, 2, 3 in the figure shown should be:

a) Cell membrane, nucleus, cytoplasm

b) Cell wall, nucleus, cytoplasm

c) Cell wall cytoplasm, nucleus

d) Cell membrane, cytoplasm, nucleus

38. Methylene blue is:

a) An enzyme

b) A reagent

c) Ink

d) A dye

39. Name the part not seen in human cheek cell:

a) Nucleus

b) Cytoplasm

c) Plastids

d) The nucleus

40. Which of the following is not a cell organelle:

a) Cell membrane

b) Ribosome

c) Mitochondria

d) Nucleus

41. Which of the following is a tissue

a) Eye

b) Arm

c) Blood

d) Skin

42. Some rising weighting 100 grams got soaked in water and the weight of swollen raisins was

120 grams. The percentage of water imbibed is:

a) 10%

b) 20%

c) 30%

d) 50%