Question

In walnut, stomata are

• A. Found only on the upper surface of the leaf
• B. Found only on the lower surface of the leaf
• C. Found on both the surfaces of the leaf
• D. Absent on both the surfaces

Answer 1

The correct option is B Found only on the lower surface of the leaf

Depending on the distribution of stomata on leaf surface, stomata can be hypostomatic or epistomatic. Hypostomatic stomata are found in walnut in which stomata are confined on lower surface only. In epistomatic condition stomata are confined to upper leaf surface only.