Q.18 Which of the below-mentioned regions exhibit less seasonal variations?

(1) Tropics

(2) Temperates

(3) Alpines

(4) Both (a) and (b)

Ans. (a) Maximum biodiversity is observed in tropics as the tropical region exhibit less seasonal variations, i.e., remain undisturbed.

The temperate region is more seasonal, less constant, and exhibited less species diversity. Also, alpines with low temperatures and high altitudes show less diversity.