Write two main functions of carbohydrates in plants.

Explanation

(i) Structural material for plant cell walls. The polysaccharide cellulose acts as the chief structure material of the plant cells walls.
(ii) Reserve food material: The polysaccharide starch is the major reserve food material in the plans. It is stored in seeds and acts as the reserve food material for the tiny plant till it is capable of making its own food by photosynthesis.