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T.S. of monocot leaf is given below, certain parts have been marked by alphabets (A G). Which one is the option showing there correct labelling?

A. A Adaxial epidermis, B Xylem, C Mesophyll, D Sub-stomatal cavity, E Abaxial epidermis, F Stoma, G Phloem

B. A Adaxial epidermis, B Abaxial epidermis, C Xylem, D Sub-stomatal cavity, E Stoma, F Mesophyll, G Phloem

C. A Adaxial epidermis, B Phloem, C Mesophyll, D Sub-stomatal cavity, E Abaxial epidermis, F Xylem, G Stoma

D. A Adaxial epidermis, B Xylem, C Stoma, D Substomatal cavity, E Abaxial epidermis, F Phloem, G Mesophyll

Correct Answer :

A. A Adaxial epidermis, B Xylem, C Mesophyll, D Sub-stomatal cavity, E Abaxial epidermis, F Stoma, G Phloem


In the given figure of monocot leaf, the structure marked as A, B, C, D, E, and G are respectively adaxial epidermis, xylem, mesophyll, sub-stomal cavity, abaxial epidermis, stoma and phloem. Monocot leaf (isobilateral) is somewhat similar to dorsiventral leaf in having epidermis, cuticle, and mesophyll cells. Stomata are present on the both the surfaces of epidermis. Mesophyll cells are undifferentiated into palisade and spongy parenchyma. Vascular bundles are conjoint, collateral, closed with phloem towards lower side and xylem towards upper side.

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