Unravelling the World on Social Studies - Geography | Chapter _ 4 - Natural Vegetation and Wildlife | Class 8 | Solved Question and Answers

 

Part II: Geography

Chapter – 6 

Natural Vegetation and Wildlife
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 Exercise

 A. Answer the following questions in brief:

1.  What is a wildlife sanctuary?

Ans: A wildlife sanctuary is an area where animal habitats and their surroundings are protected from any sort of disturbance.

 

2.  Where are the coniferous forests found in India?

Ans: In India, Coniferous Forest are found on the higher slopes of the Himalayas in Kashmir, Himachal Pradesh, Uttarakhand, and Arunachal Pradesh.

 

3.  Name the three types of forests.

Ans: The three types of forests are –

i.     Temperate forest

ii.   Taiga forest

iii.  Tropical forest

 

4.  How have humans changed the land cover of the Earth?

Ans: Humans have changed the land cover of the earth by different types of activities like- agriculture, animals grazing and Urbanisation.

 

5.  What are national parks?

Ans: National parks can be defined as areas set aside by the national governments to preserve the natural environment.

 

B. Answer the following questions in detail.

1.  Why is forest conservation important?

Ans: Forest conservation is important to conserve and preserve forests and wildlife and to allow ecosystem to function.

 

2.  Write an account of the major types of forests in the world.

Ans: The major types of forest in the world are Temperate Forest, Taiga Forest and Tropical Forest. The Temperate Forest, both evergreen and deciduous, are found between the 30^o and 50^o latitudes both north and south of the Equator. The Taiga Forest is found between 50^o degree and 70^o latitudes in Eurasia and North America. They are also found on top of mountains in other areas. Tropical forests are also found between 23^o N and 20^oS latitudes. These may be evergreen or deciduous forests.

 

3.  What are the main lists used to indicate risk levels of wildlife? Define each category. Provide examples.

Ans: The main list used to indicate risk levels of wildlife are –

i.             Extinction species: Extinction happens when the species dies because of environmental changes caused by climate change or natural disasters.

ii.           Endangered species: Endangered species are those plants and wildlife that are so small in number that they face the risk of becoming extinct.

iii.          Threatened species: These are the plants, animals, birds and insects that are at risk or becoming endangered in the near future.

 

4.  Write an account of wildlife in India.

Ans: India has as many as 59 national parks and 372 sanctuaries. There are 1200 species of birds and 350 species of mammals in the forests of India. In addition, the Rann of Kutch, Gujarat, is the world’s largest natural breeding place for flamingos.

 

5.  What steps can be taken towards forest conservation?

Ans: Some of the steps taken towards forest conservation are-

i.             By demarcating forests as protected areas and preventing illegal logging.

ii.           By using recycled paper to reduce pressure on trees

iii.          By preventing poaching of wildlife

iv.         By planting lots of trees

v.           By protecting endangered and threatened species.

 

C. Fill in the blanks.

1.  Taiga

2.  Tropical rain

3.  Temperate

4.  Three

 

D. Tick the correct answer.

1.  (b)

2.  (d)

3.  (b)

4.  (b)

5.  (c)

        

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