Page 87 - Science Class 08

4. Nanda Devi biosphere reserve is situated in:
(a) U ar Pradesh (b) Odisha

(c) West Bengal (d) U arakhand
5. How many mammals have been listed in the Red Data Book?
(a) 257 (b) 767

(c) 170 (d) 497
B. Fill in the blanks.
1. Forests maintain biodiversity which is important for the smooth func oning of
_____________________.
2. The increase in humidity is very helpful for plants and animals for their survival in
_____________________ season.
3. A country should have at least _______________ % of its total land area under forest
cover.
4. Deforesta on increases the temperature and ______________________ level on the
earth.
5. There are _____________________ na onal parks in our country.

C. Match the following columns.
Column I Column II
1. Shi ing cul va on a. Kerala, Karnatka and Tamil Nadu

2. Nilgiri biosphere reserve b. Asia c lion
3. Chilka sanctuary c. U arakhand
4. Jim Corbe Na onal Park d. Deforesta on
5. Endangered species e. Odisha

D. Write True or False.
1. Loss of habitat is the main cause of the destruc on of many species of flora and
fauna.
2. Construc on of roads, railway tracks and dams is another major cause for the
deforesta on.
3. Deforesta on causes a sharp increase in the water holding capacity of the soil.
4. A large number of wild animals are killed for their fur, skin, musk, teeth, etc.

5. Vulnerable species are the species which have been vanished from the earth.
E. Very short answer ques ons.
1. What do you mean by endemic species?
2. What is the full form of IUCN?

3. What is the func on of IUCN?
4. What is the Red Data Book?
5. What do you mean by vulnerable species?

F. Short answer ques ons.
1. What do you mean by flora?

Science-8 87