A) Possess outer layer of chlorenychyma and inner layer of thick walled cells without chloroplasts
B) Possess extensions made up of sclerenchyma
C) Resemble the endodermis in possession of casparian strips
D) Encircle the vascular bundles, which are conjoint and collateral
Correct Answer: D
Solution :
Vascular bundles in monocot leaves are On joint collateral and closed. Usually each bundle remains surrounded by a bundle sheath consisting of thin walled parenchyma cells. The cells of bundle sheath generally contain starch grain in them. Vascular bundles of monocotyledonous stems are conjoint collateral and closed. Each bundle more or less completely surrounded by a sheath of sclerenchyma cells the bundle sheath, which is particularly well developed on the sides towards the centre and toward the periphery of stem.
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