question_answer

(a)   Define transpiration.

(b)  Why is there a need for conserving water? Give two reasons.

Answer:

(a) Plants lose their excess water through their pores of leaves, in the vapor form. This process is called transpiration.

(b) There is a need for conserving water due to following two reasons:

(i) To meet the demand of water due to increase in population.

(ii) Recharging of ground water for getting fresh water.