NCERT Grade 8-Conversation of Plants and Animals-Questions

NCERT Solutions for Class 8 Science

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Conversation of Plants and Animals

Exercise 1

1.    Fill in the blanks.

(a) A place where animals are protected in their natural habitats is called _________.

(b) Species found only in a particular area is known as _________.

(c) Migratory birds fly to faraway places because of ___________.

2.    Differentiate between the following.

(a) Wildlife sanctuary and biosphere reserve

(b) Zoo and wildlife sanctuary

(c) Endangered and extinct species

(d) Flora and fauna

3.   Discuss the effects of deforestation on the following.

(a) Wild animals

(b) Environment

(c) Villages (rural areas)

(d) Cities

(e) Earth

(f) The next generation

4.    What will happen if.

(a) We go on cutting trees.

(b) The habitat of an animal is disturbed

(c) The top layer of soil is exposed


5.    Answer in brief.

(a) Why should we conserve biodiversity?

(b) Protected forests are also not completely safe for wild animals. Why?

(c) Some tribal depends on jungle. How?

(d) What are the causes and consequences of deforestation?

(e) What is Red Data Book?

(f) What do you understand by the term migration?

6.    In order to meet the ever-increasing demand in factories and for shelter, trees are being continually cut. Is it justified to cut trees for such projects?

7.    How can you contribute to the maintenance of green wealth of your locality? Make a list of actions to be taken by you.

8.    Explain how deforestation leads to reduced rainfall.

9.    Find out about national parks in your state. Identify and show their location on the outline map of India.

10.   Why should paper be saved? Prepare a list of ways by which you can save paper.

11.   Complete the word puzzle.

Down

1. Species on the verge of extinction.

2. A book carrying information about endangered species.

5. Consequence of deforestation.

Across

1. Species which have vanished.

3. Species found only in particular habitat.

4. Variety of plants, animals and microorganisms found in an area.

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