LAQSHYA OPTIMA 2021: DNP Environment March 5

1. Consider the following statements with reference to biodiversity

1. Biodiversity decreases as we move from equator to poles.
2. Biodiversity decreases as we climb along a mountain.

Which of the statements given above is/are correct?

2. Which of the following can be threats to the biodiversity of a geographical area?

1. Global warming
2. Fragmentation of habitat
3. Invasion of alien species
4. Promotion of vegetarianism

Select the correct answer using the codes given below:

3. Which one of the following is not in-situ method of conservation of flora?

1. Biosphere Reserve
2. National Park
3. Botanical Garden
4. Wildlife Sanctuary

Select the correct answer using the code below?

4. Biodiversity forms the basis for human existence in which of the following ways: 

1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4. Pollination of crops

Select the correct answer using the codes given below:

5. In the absence of ozone layer which among the following would happen?

1. A large number of land animals would develop skin cancer and cataract
2. Agriculture productivity will get adversely affected.
3. Marine ecosystem productivity would decrease.

Select the correct answer using the code given below.

6. National Board for Wild Life is chaired by?