Question

Amphistomatic leaf, with stomata distributed equally on both the surfaces, is an example of __________.
(a) Isobilateral leaf
(b) Dorsiventral leaf
(c) Xerophytic leaf
(d) Hydrophytic leaf

Answer 1

Hint: The mesophyll tissue in the leaves is not distinguished in the case of this leaf. It consists of only spongy cells of palisade parenchyma cells. The appearance of these styles of leaves on both sides is identical. These leaves are found in grasses and monocots, such as maize.

Complete answer: To expose all its surfaces to the light, isobilateral leaves are normally vertically oriented. On both faces of the leaf, they have equal numbers of stomata and cuticles. This implies that they are unifacial, where each leaf face has the same protective surface characteristics and with stomata distributed on each face amphistomatic. Usually, plants keep one leaf face flat to the sunshine and have stomata mainly on the bottom or abaxial or ventral side. A bifacial leaf with stomata on the shaded underside is usually hypostomatic. Monocot leaves contain this kind of leaves. They are named so because there are roughly the same number of stomata on the upper(adaxial) and lower (abaxial) side of the leaves. Stomata are structures that play an important role in the exchange of gases. They are surrounded by guard cells that help them to open and close.
Therefore, the correct answer is option A.

Note: It consists of only spongy cells of palisade parenchyma. These leaves are present in grasses, such as corn, and in monocots. Any adaxial epidermal cells along the veins in grasses turn into big, empty ones.