Question

Question 14
Insects and leaves of a plant have pores through which they exchange gases with the atmosphere. Can you write two points of differences between these pores with respect to their position, number and extension into the body.

Answer 1

The pores present in leaves are called stomata.

The pores present in insects are called spiracles

(i) Spiracles are present on the sides of insects’ body while stomata are present on the lower surface of leaves.
(ii) Spiracles are fewer in number as compared to stomata.
(iii) Spiracles lead to an extensive network of the tracheal system which is absent in the leaves.