Class 11 · Anatomy of Flowering Plants

Isobilateral Leaf Structure — NEET Biology

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The anatomy of isobilateral leaf is similar to that of the dorsiventral leaf in many ways. It shows the following characteristic differences. In an isobilateral leaf, the stomata are present on both the surfaces of the epidermis; and the mesophyll is not differentiated into palisade and spongy parenchyma.

NCERT Biology · Class 11 · Chapter 6 · Paragraph 18
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Assertion (A): Leaf types differ in their mesophyll organization and stomatal distribution. Reason (R): Isobilateral leaves have mesophyll differentiated into palisade and spongy parenchyma with stomata mainly on the lower surface.

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