#### Term 1 Model Question Paper

9th Standard

Reg.No. :
•
•
•
•
•
•

Science

Time : 02:00:00 Hrs
Total Marks : 60
6 x 1 = 6
1. 1 metric ton is equal to

(a)

100 quintals

(b)

10 quintals

(c)

1/10 quintals

(d)

1/100 quintals

2. Slope of the velocity - time graph gives

(a)

speed

(b)

displacement

(c)

distance

(d)

acceleration

3. The field of view * is maximum for ________

(a)

plane mirror

(b)

concave mirror

(c)

convex mirror

4. When we mix a drop of ink in water we get a__________

(a)

Heterogeneous Mixture

(b)

Homogeneous Mixture

(c)

Compound

(d)

Suspension

5. The correct electronic configuration of potassium is

(a)

2,8,9

(b)

2,8,1

(c)

2,8,8,1

(d)

2,8,8,3

6. Mesoglea is present in

(a)

Porifera

(b)

Coelenterata

(c)

Annelida

(d)

Arthropoda

7. 6 x 1 = 6
8. The thickness of a cricket ball is measured by _______

()

Vernier Caliper

9. Negative acceleration is called ____________

()

retardation

10. Large _________ mirrors are used to concentrate sunlight to produce heat in solar furnaces

()

concave reflector

11. The valency of Argon is ________

()

zero

12. The raw materials for photosynthesis are _________ and _______.

()

CO2, H20 and Chlorophyll & Light

13. Blue revolution is the rearing of ______________.

()

Fishes

14. 6 x 1 = 6
15. Kilometre is one of the SI units of measurement

(a) True
(b) False
16. The velocity – time graph of a particle falling freely under gravity would be straight line parallel to the x axis

(a) True
(b) False
17. When an object is at the centre of curvature of concave mirror the image formed will be virtual and erect.

(a) True
(b) False
18. Liquid – liquid colloids are called gels.

(a) True
(b) False
19. The petals of moon flower open up in morning and closes in the evening. This is called photonasty.

(a) True
(b) False
20. ISI mark is mandatory to certify agricultual products

(a) True
(b) False
21. 6 x 1 = 6
22. Temperature

23. (1)

Snail

24. Time

25. (2)

II generation

26. Mirage

27. (3)

convex mirror

28. Pigments

29. (4)

Digital Clock

30. Mollusca

31. (5)

second

32. Transistor

33. (6)

Ink - Chromatography

7 x 2 = 14
34. Define standard unit.

35. Name the mirror(s) that can give (i) an erect and enlarged image, (ii) same sized, inverted image

36. Define Sublimation

37. Copy the following and write the names of the laws and their simple definitions in the space provided.

38. What is the end product of photosynthesis?

39. Fill in the blanks:
6CO2+________$\overset { Sunlight }{ \underset { Chlorophyll }{ \longrightarrow } }$ _____ +6H2O+6O2 $\uparrow$

40. Differentiate : Macronutrients from micronutrients

41. 4 x 3 = 12
42. Differentiate mass and weight

43. An object travels 16m in 4s and then another 16m in 2 s. What is the average speed of the object?

44. What is meant by Rf value?

45. List five characteristic features of fishes.

46. 2 x 5 = 10
47. Derive equations of motion by graphical method.

48. List the excretory organs of invertebrates in relation with the animals