M.E.S.INDIAN SCHOOL,DOHA QATAR

SCIENCE- MODEL QUESTIONPAPER 2015

Class VII

SECTION - A

I. Multiple choice questions (1X10)

1. Carbon dioxide enters the leaves through

a) Xylem

b) stomata

c) root hairs

d) none of these

2. ORS is given in the case of

a) Common cold

b) Diarrhoea

c) Chicken pox

d) All of these

3. A term that is not related to the production of wool is

a) Shearing

b) Scouring

c) sorting

d) sericulture

4. Heat from the sun reaches us due to

a) Conduction

b) Convection

c) Radiation

d) All of these

5. A dark funnel shaped cloud that reaches the ground from the sky is called

a) Typhoon

b) Tornado

c) Cyclone

d) Thunderstorm

6. Which of these is not a forest product?

a) Wood

b) Gum

c) Tin can

d) Paper

7. Spirogyra reproduces by

a) budding

b) spore formation

c) fragmentation

d) vegetative propagation

8. Water Day is celebrated every year on

a) 21 February

b) 22 April

c) 25 March

d) 22 March

9. Part of the digestive system where digestion does not take place is the

a) large intestine

b) mouth

c) stomach

d) small intestine

10. Which of the following show autotrophic mode of nutrition?

a) Green plants

b) Non green plants

c) Animals

d) All of these

II. Answer the following in one word or sentence (1x15)

11. Name the bacteria which are present in the root nodules of leguminous plants.

12. Bile juice digests _________.

13. What are Burrs?

14. A device used to measure the temperature is called ________.

15. Female gamete is present inside the ________.

16. Name the reproductive part of a plant.

17. Winds move from a region of ________ pressure to a region of ____________ pressure.

18. Define Canopy.

19. In nature, water exists in two forms .(True or False)

20. Define fertilisation

21. Liver is the largest gland in the body (True or False)

22. Write the function of hydrochloric acid secreted by the stomach.

23. What is the Eye of a cyclone?

24. Why is a laboratory thermometer not used to measure body temperature?

25. Mushrooms show autotrophic nutrition (True/False)

SECTION B

III. Answer the following in two or three sentences (2x10)

26. Differentiate between parasites and saprophytes.

27. Sheela has two cups of hot milk. She puts a metal spoon in one of the cups. In which cup will

the milk cool down faster? Why?

28. Forests are called green lungs. Why?

29. Define the terms- a) Water table b) Rain water harvesting.

30. Why are holes made in huge hoardings?

31. Given below is a diagram of the ----------------------------.

Re-label the parts that are incorrectly labelled.

32. Differentiate between Unisexual and Bi sexual flowers with examples.

33. Name the common silk moth. Write any two varieties of silk.

34. What is a symbiotic relation? Give an example.

35. List any two functions of tongue

SECTION C

IV. Answer the following questions in three or four sentences (3x10)

36. What will happen if forest disappears? (Three points)

37. List three reasons for the depletion of water table. Explain in brief.

38. How does a pitcher plant trap insects?

39. What are villi? Write its function and location.

40. Define a) Scouring b) Shearing c) Sorting

41. Explain Sea breeze and Land breeze

42. Explain with an activity that air expands on heating

STOMACH

OESOPHAGUS

S

SMALL INTESTINE LARGE INTESTINE

43. a) What type of pollination is shown in the picture given below?

b) Label the parts- a & b

c) Define pollination

44. What are the changes takes place in a flower after fertilisation?

45. How does digestion take place in ruminants?

SECTION- D

V. Answer the following questions in five sentences(3x5=15)

46. Explain how an amoeba gets its nutrition. Support your answer with a neat labelled diagram.

47. a) Describe the different methods of seed dispersal with examples.

b) Write any one advantage of the seed dispersal.

48. Name the mode of transfer of heat in Liquids. Explain with help of an activity and a neat

labelled diagram.

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