In plants which of the following parts are associated with gaseous exchange 1 Roots 2 Leaves 3 ...........

Explanation:

Statement 3: Lenticels are small openings in the pits of the bark. The exchange of gases takes place through the lenticels also, apart from the exchange through the openings in the leaves.
S1 and S2: The roots take in air present in the soil. Leaves have tiny pores called stomata through which they exchange gases. The breakdown of glucose in the plant cells is similar to that in other living beings.