8th March Static Quiz 2021 (Environment)

With reference to animal and plant biodiversity on earth, consider the following statements:
1. Animals constitute more than two-thirds of the total species on earth.
2. There are more types of fishes than types of insects.
3. India is one of the megadiverse countries in the world with 20 percent of the total global species diversity.
Which of the statements given above is/are correct?

An intermediate stage found in ecological succession in an ecosystem depicting the diversity of species of organisms, an increase in the number of species and
organism as well as an increase in total biomass in a given area is termed as

Photoperiod is the duration of light received daily and seasonally by living organisms. It impacts:
1. Coordination of opening of buds and flowers in a plant
2. Migration cycles of birds
3. The breeding time of mammals
4. Reproduction
Select the correct answer using the code below.

In the polar regions, small-sized animals are rare. What is the reason behind this?

With reference to National Board for Wildlife, consider the following statements:
1. It has been constituted under the Wildlife Protection Act, 1972.
2. It is headed by Minister of Environment, Forest and Climate Change.
3. Its recommendations are binding on the union government.
Which of the statements given above is/are correct?