Biodiversity and the Need for Its Preservation

Q. S1: Biodiversity is the variety of life forms found on the Earth.
S2: These lifeforms are interdependent on each other.
S3: Microorganisms are not a part of the biodiversity.

1. S1: False, S2: True, S3: False
2. S1: True, S2: True, S3: False
3. S1: True, S2: True, S3: True
4. S1: True, S2: False, S3: False

Q. The more life forms we have in a system the more unstable the system would be in the face of environmental pressures.

1. True
2. False

Q.

Define biodiversity.

Q. India is home to _______ plant species.

1. 91, 000
2. 7, 000
3. 49, 000
4. 94, 000

Q. refers to the variety of life on Earth, in all its forms and interactions.

1. Biosphere
2. Ecology
3. Speciation
4. Biodiversity

Q. Networks of interlinked and interdependent food chains are known as:

1. Food Hierarchies
2. Food Links
3. Food Networks
4. Food Webs

Q.

Write one word for the following: variety of plants, animals and micro-organisms generally found in an area.

Q.

how many species of plants and trees are there in india

Q.

What are the negative factor that cause such fearful depletion of flora and fauna?explain in detail.