CBSE Class 9 Science Sample Paper 2017 (5)

CBSE Class 9 Science Sample Paper 2017 (5). It’s always recommended to practice as mane sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

1. Name the tissue present at the base of leaves of the plants. 1

2. The factor associated with the motion of an object are : Force, Velocity, Acceleration and

Momentum. Out of these four factors which one remains constant for all bodies large or small, undergoing a free fall. 1

3. Why are small kids advised to play cricket with soft·tennis ball rather than leather ball? 1

4. Why is crystallisation better than evaporation? 2

5. List two differences between SER and RER. 2

6. A racing car has uniform acceleration of 4 m/s2. Find the distance covered by it in after start ?

7. Tabulate three differences between boiling and evaporation.

10 seconds

2

3

8.

•• R/5

A substance 'A' has fixed shape and volume. It is incompressible. Predict the state of the substance. Enlist four properties of this state of matter. 3 [P.T.O.]

9. (a) Name the compound formed on heating a mixture of Iron filing and sulphur. I

(b) If dilute HCI is added to above compound then name the gas evolved and write down its two properties.

10. Differentiate between xylem and phloem tissues. 3

11. (a) Why do sclerenchyma cells have a narrow lumen?

(b) Where are these tissues present and why ? 3

12. Name the two quantities, the slope of whose graphs gives

(i) speed .

(ii) acceleration.

A body starts to slide over a horizontal surface with an initial velocity of 0.5 mls. Due to friction, its acceleration decreases at the rate of 0.05 m/s2. How much time will it take for the body to stop ? 3

13. A heavy leather ball and a light tennis ball are kept on the floor of a moving train when train is suddenly stopped, they are set in motion. In which direction will they move ? Which one of them will attain higher velocity ? 3

14. Give reasons:

(i) A piece of paper takes much longer to fall than a stone through the same distance. (ii) The mass is constant everywhere whereas the weight keeps changing.

(iii) The value of 'g' keeps changing as we move away from the earth whereas value of 'G'

remains constant all over the universe. 3

15. On Earth, how much force is needed to lift an object of mass I 00 g. 3

16. An object of mass 2 kg is sliding with a velocity of 4 m/s along the surface of a vertical wall.

What is the force required to keep the object moving with the same velocity ? 3

17. Shekhran was planning to transplant paddy. His son Raman told him that he can have fish along with paddy in the same field. He told him about the species of fish that are able to live in shallow water of paddy fields. His father shared the information with his friend, so that both of them can practice the same.

(i) Name this mode of obtaining fish.

(ii) Which method is used to get pure fish seed ? 3

(iii) Mention two values of Raman that prompted him to make...his father adopt this practice.

18. Write three advantages of crops growing in shorter duration of time to that growing in longer duration of time. 3

19. (a) Evaporation causes cooling. Comment upon this statement.

(b) Give two examples from daily life that illustrate evaporation causes cooling. 5

R5/Science/IX [ 2 J

20. Identify the physical and chemical changes from the following: 5

(a) Heating the mixture of iron and sulphur. (b) Ripening of fruits

(c) Dissolution of salt in water

(d) Rusting of iron-chair. (e) Making egg omelets.

21. Write four characteristics features. of Parenchyma a tissues. How would you classify this tissue based upon its specialised functions? What are these functions? 5

22. The position-time graphs of two objects A and 8 in three different situations for a particular duration are as shown below : 5

(i)

Time

(ii)

(a) In which situation the distance between them will remain same? (b) In which situation they are moving in opposite directions?

(c) The velocity of object A is positive or negative in situation (ii)?

(d) Are they crossing each other in any situation(s)? If so, why?

1 \ Give reason :

(a) Value of 'g' is not constant on earth.

(b) Objects with different masses take same time to fall from a fixed height. (c) 'G' is known as gravitational constant.

(5)

24. Mention the two ways of obtaining fish. Write the nutritive value of fishes and honey. How farmers are benefitted by fish production and bee keeping? (5)

Section-B

25. On adding iodine solution to egg white, the observation of a student will be that the yellow brown colour of iodine has changed to: (I)

(a) pink colour

(c) no change

(b) blue-black

(d) brick red colour

[ 3 I

26. To observe starch granules in a potato under a microscope, freshly cut surface of potato was pressed on a slide. The stain which will show its presence clearly is : (1)

(a) Methylene blue (b) Iodine solution

(c) Safranin (d) Eosin

27. Which of the following methods help in exact recognition of iron, sulphur and iron sulphide ?

(1)

(a) their melting point

(b) their physical appearance

(c) their.odour

(d) both (a) and (b)

28. A mixture of iron filing and sulphur is heated. The product obtained is powdered and shaken with Carbon disulphide. It is observed that: (1)

(a) Iron and sulphur both dissolved in Carbon disulphide. (b) Nothing dissolved in Carbon disulphide.

(c) Only iron dissolved in Carbon disulphide.

(d) Only sulphur dissolved in Carbon disulphide.

29. When a drop of water is added to anhydrous copper sulphate its colour changes from : (1)

(a) white to blue

(c) · white to green

(b) blue to white

(d) No colour change.

30. What is the name of composition of the outermost layer of a human cheek cell ?

(a) Cell membrane, cellulose

(b) Cell membrane, phospholipids

(c) Cell wall, cellulose

(d) Cell wall, phospholipids

(1)

31. Four students: observed parenchyma tissue and drew following diagrams. Which one is correct.

RS/Science/IX [ 4 J

32. Mixture of sand and ammonium chloride is separated by : (1)

(a) decantation (b) filtration

(c) sublimation (d) centrifugation

33. When two equal and opposites forces act on an object, it wiII be observed that : (1)

(a) Object remains at rest

(b) Object continues to move with constant velocity if it was moving. (c) Both (a) and (b)

(d) Information is insufficient

34. Rima took fine chalk powder, egg albumin. starch powder and alum powder in four test tubes A.

B, C and 0 respectively. After adding water to all the four test· tubes. identify the test tubes as true solution, suspension and colloid. (2)

35. Study the temperature-time graph give below. This graph shows heating of ice from -10°c to water at I 00°C. Represent the change of state on heating.. During change of state where does the heat energy go? What is this heat called? (2)

;=.D E

36. 5g of raisins were placed in distilled water for 24 hours. The mass of soaked raisins was found to be 7g. Calculate the percentage of water absorbed by raisins. (2)

 

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