A) Motor cells or bulliform cells are found in epidermis of dicot leaf.
B) In dicot leaf, mesophyll tissue is differentiated into palisade and spongy parenchyma.
C) The roots are produced endogenously form the pericycle.
D) The stele composed of two or more than two concentric rings of vascular bundles is called polycyclic.
Correct Answer: A
Solution :
Bulliform cells or motor cells specialised large empty, vacuolated colourless, thin-walled cells present in the upper epidermis of isobilateral leaf of monocots. They function in rolling up of leaves during water stress or xerophytic condition.
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