Page 53 - Viva ICSE Science 4 : E-book

5. Summer sleep is another name for ____________.
(a) hibernation (b) adaptation (c) aestivation

6. What is the role of sharp spines of porcupines?

(a) Protect from enemies

(b) Climbing trees

(c) Breathing

C. Answer the following in one word.

1. The long sleep of animals during the cold season is

called ______________

2. The thick layer of fat under the skin of animals, which
keeps them warm is called ______________

3. Changing of colours by some animals to blend with
their surroundings is called ______________

4. Vultures feed on these and clean up the environment ______________

5. Ducks have a type of feet which act as paddles and
help them move forward while swimming ______________

6. This helps the elephants to reach for leaves from tall
trees ______________

D. Match the following.

Column A Column B

1. Herbivore (a) Sea horse

2. Carnivore (b) Bird

3. Omnivore (c) Cow

4. Camoufl aging animal (d) Monkey

5. Aquatic animal (e) Lion

6. Aerial animal (f) Chameleon

7. Arboreal animal (g) Bear

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