NCERT Class 11 Fundamentals of Physical Geography Chapter 14 “Biodiversity and Conservation” Solution |

Biodiversity and Conservation

EXERCISES

1. Multiple choice questions.

(i) Conservation of biodiversity is important for :

(a) Animals (c) Plants

(b) Animals and plants (d) All organisms

Answer:

(ii) Threatened species are those which :

(a) threaten others

(b) Lion and tiger

(c) are abundant in number

(d) are suffering from the danger of extinction

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(iii) National parks and sanctuaries are established for the purpose of :

(a) Recreation (c) Pets

(b) Hunting (d) Conservation

Answer:

(iv) Biodiversity is richer in :

(a) Tropical Regions (c) Temperate Regions

(b) Polar Regions (d) Oceans

Answer:

(v) In which one of the following countries, the ‘Earth Summit’ was held?

(a) the UK (c) Brazil

(b) Mexico (d) China

Answer:

2. Answer the following questions in about 30 words.

(i) What is biodiversity?

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(ii) What are the different levels of biodiversity?

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(iii) What do you understand by ‘hotspots’?

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(iv) Discuss briefly the importance of animals to human kind.

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(v) What do you understand by ‘exotic species’?

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3. Answer the following questions in about 150 words.

(i) What are the roles played by biodiversity in the shaping of nature?

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(ii) What are the major factors that are responsible for the loss of biodiversity? What steps are needed to prevent them?

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