Environmental Science Questions and Answers Pdf - 1

Question: 1

What are the characteristic features of mangrove vegetation?

Presence of pneumatophores.

Presence of viviparous germination fleshy leaves.

Question: 2

Explain the term vegetation?

The term vegetation refers to the kinds of plants, their life forms, number and coverage in a particular area.

Question: 3

What is biological magnification?

Excessive use of non biodegradable pesticides results in the increase of their concentration in water, and soil.

The aquatic animals and plant living in that area accumulate DDT(pesticide) in greater concentration.

This phenomenon is called biological magnification.

Question: 4

Name the important animals present in tropical zone?

Ostrich, Tropical zone, African elephant, Giraffe, Brown pelican, Giant ant eaters.

Question: 5

What is vermiculture?

Vermiculture is a mixed culture which contains a specific culture of soil bacteria mixed with a strain of earthworm.