Biodiversity and the Need for Its Preservation

Q. What percentage of the world's species does India account for?

1. 10-11%
2. 12-15%
3. 4-6%
4. 7-8%

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

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

Q. India is home to _______ plant species.

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

Q. Which of the following is/are the result/s of biodiversity loss in India?

1. One-third of India’s wetlands have been drained out.
2. The number of Indian Rhinos have increased.
3. 40% of the Mangrove forests in India are wiped out.
4. Many Plant and animal species are heading towards extinction.

Q.

Name the largest & smallest states of India (Area-wise & Population-wise) ?

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

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

Q. How many plant species are found in India?

1. About 45, 000
2. About 40, 000
3. About 47, 000
4. About 20, 000