In dry regions, the leaf size of a tree becomes smaller
In dry regions, the leaf size of a tree becomes smaller. It is so to
- maintain natural growth
- protect plant from animals
- reduce metabolism
- reduce transpiration
Answer
Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves.
So, in dry regions where there is scarcity of water leaf size becomes smaller so that the portion exposed to the sun is lesser and transpiration is lesser.
The correct option is D.