conservation of plants and animals

A major threat of survival of organisms like variety of plants and animal which exist on earth is due to................

• Desertification

• Ecosystem

• Deforestation

• Both desertification and deforestation

_______________ is that part of the earth in which organisms exist or which supports life.

____________refers to the variety of organisms existing on the earth, their interrelationships with the environment.

____________ are areas where animals are protected from any disturbance to them and their habitat.

Preserving areas of biological importance make them a part of our national heritage.

• True

• False

________ are areas reserved for wild life where they can freely use the habitat and natural resources.

__________ are large areas of protected land for conservation of wild life, plants and animals resources and traditional life of tribals living in the area.

The Pachmarhi biosphere reserves consist of

• One national park named Satpura

• Two wild life sanctuaries named Bori and Pachmarhi

• One wild life sanctuary named Bori

• One wild life sanctuary named Pachmarhi

Which of the following is true:

• National park cannot be downgraded to Wildlife sanctuary.

• National park can be downgraded to Wildlife sanctuary.

• Wildlife sanctuary can be downgraded to National park.

• Wildlife sanctuary cannot be downgraded to National park.

• Wildlife sanctuary can be upgraded to National park.

Loss of biodiversity is also because of _______ in human population.

• Increase

• Decrease

• Spread

• Fight