WORKSHEET 2 , CH 7, CLASS 7

 1. A fish dies when taken out of water, whereas a wall lizard will die if kept under water. Mention the term used to describe such abilities that allow fish and lizard to survive in their respective habitats.

2. Which is the most important factor in determining the climate of a place?

3. Give one example of an animal that can live both in water and on land.

4. There are several elements of weather. The weather report carries the information about which of the elements of weather?

5. Who are meteorologists?

6. Name the primary sources of energy which cause changes in the weather.

7. When sun rays fall on the earth, what does it provide?

8. Give the name of few animals that can live in the polar region.

9. Why is it difficult to predict the weather of a place while it is easy to predict its climate?

10. Mention two adaptive features of penguin that help it in swimming.

11. Some animals have the ability to match their surrounding. Name the property of such animals

12. The polar bear are white in colour. Explain why.

13. Write the factors which affect the climate of a particular place.

14. Some birds migrate from one place to another. What are these birds called? Why do the birds migrate?

15. Give the difference between weather and climate.

16. Write two common adaptive features of a polar bear which help in keeping it warm.

17. There are two animals X and Y. The animal X has yellow brown colour and have a mane while animal Y has yellow brown colour with black stripes, Both live in forests but never enter into each other's territory. 

(a) Name the animals X and Y.
(b) What is the other name for these animals?
(c) Where do these animals live?
(d) Whether these animals are carnivore or herbivore?

18. Observe the given figure and answer the following.

(a) Name the birds shown in figure.
(b) What are these birds doing and why?
(c) These birds live in which region?

19. The arboreal animal among the following is
(a) elephant
(b) lion
(c) butterfly
(d) lion-tailed macaque

20. Rohan went to the desert of Rajasthan with his freinds. He saw an animal. It had a hump. Its feet had large soles. He wondered about this animal. He found that these were adaptations of that animal which helped it to survive in very hot and dry climate of the desert. Answer the following questions on the basis of the observations seen by Rohan.
(a) Name the animal Rohan observed in the desert of Rajasthan?
(b) What role does this hump has in this animal?
(c) Why do it has large soles?
(d) Can you give same more adaptations of this animal which help it to survive in desert?
(e) What values do you observe in Rohan?