CBSE Class 9 Science Sample Paper Set S

Section A

1. Arrange the three states of matter in increasing order of their compressibility.

2. Name the cell organelle, other than mitochondria, that has its own DNA and Ribosomes.

3. Give reasons : (1 each)

(i) Path of beam of light is not visible through a solution.

(ii) Particles of solution cannot be seen with a naked eye

4. Distinguish between mass and weight.

5. Write two important characteristics of prokaryotic cells.

6. Name the simple permanent tissue which :

(a) forms the basic packing tissue

(b) provides flexibility in plants 

7. (a) What is photo period ?

(b) What are Rabi and Kharif crops ? Give 2 examples each. 

8. A substance ‘X’ on heating gives Y and Z. What is X - an element or a compound ? State two differences between an element and a compound. 

9. A driver of train travelling at a speed of 15 m/s applies brakes and retards the train uniformly. The train stops in 5 seconds. Another train B is travelling on a parallel track with a speed of 10 m/s. It’s driver applies brakes and the train stops in 10 seconds retarding uniformly.

(a) Plot speed-time graphs for train A and train B on the same paper.

(b) Calculate graphically which of the trains travelled farther after the brakes were applied. 

10. A car of mass 1000 kg moving with a velocity of 40 km/h collides with a tree and comes to stop in 5s. Calculate the force exerted by the car on the tree.