NCERT Solutions for Class 8 Science Science - NCERT Solution Chapter 7

Conservation of Plants and Animals Class 8

Chapter 7 Conservation of Plants and Animals Exercise Solutions

<< Previous Chapter 6 : Combustion and Flame Next Chapter 8 : Cell - Structure and Functions >>

Exercise : Solutions of Questions on Page Number : 86

Q1 :  

Fill in the blanks:

(a) A place where animals are protected in their natural habitat is called a __ .

(b) Species found only in a particular area are known as ______.

(c) Migratory birds fly to far away places because of ____ _ changes.


Answer :

(a) A place where animals are protected in their natural habitat is called a sanctuary__.

(b) Species found only in a particular area are known as __endemic__.

(c) Migratory birds fly to far away places because of __climatic__ changes.

Answer needs Correction? Click Here

Q2 :  

Differentiate between the following.

(a) Wildlife sanctuary and biosphere reserve

(b) Zoo and wildlife sanctuary

(c) Endangered and extinct species

(d) Flora and fauna


Answer :

(a)

Wildlife sanctuary

Biosphere reserve

It is an area within which animals are protected from possible dangers such as hunting. Their habitat is also conserved in this area.

It is a large protected area constructed for the conservation of biodiversity.

It provides protection and suitable living conditions to wild animals.

It helps in the conservation of various life forms such as plants, animals, and micro-organisms.

Pachmarhi sanctuary is a wildlife sanctuary.

Pachmarhi biosphere reserve is a popular biosphere reserve.

(b)

Zoo

Wild life sanctuary

It is a facility in which animals are kept for public exhibition.

It is an area within which animals are protected from possible dangers such as hunting. Their habitat is also conserved in this area.

It is an artificial habitat.

It conserves the natural habitat of animals.

(c)

Endangered species

Extinct species

It is a population of species that is on the verge of becoming extinct.

It is a population of species that no longer exists. Hence, it is extinct.

Blue whale, tiger, leopard, etc. are examples of endangered species.

Dodo, passenger pigeon, etc. are examples of extinct species.

(d)

Flora

Fauna

It refers to all living plants in a particular area.

It refers to all animals living in a particular area.

Sal, teak, mango, etc. form the flora of Pachmarhi biosphere reserve.

Leopard, wolf, wild dog, etc. form the fauna of Pachmarhi biosphere reserve.

Answer needs Correction? Click Here

Q3 :  

Discuss the effects of deforestation on the following.

(a) Wild animals

(b) Environment

(c) Villages (Rural areas)

(d) Cities (Urban areas)

(e) Earth

(f) The next generation


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q4 :  

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.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q5 :  

Answer in brief:

(a) Why should we conserve biodiversity?

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

(c) Some tribals depend on the 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?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q6 :  

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? Discuss and prepare a brief report.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q7 :  

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


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q8 :  

Explain how deforestation leads to reduced rainfall.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q9 :  

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


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q10 :  

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


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q11 :  

Complete the world 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 a particular habitat.

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


Answer :

Please Register/Login to get access to all solutions Facebook Login
<< Previous Chapter 6 : Combustion and Flame Next Chapter 8 : Cell - Structure and Functions >>

Science - NCERT Solution - Science : CBSE NCERT Exercise Solutions for Class 8th for Conservation of Plants and Animals will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.

Popular Articles