Sleep movements of leaves in certain plants are or photo nasty is due – McqOptions

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1.	Sleep movements of leaves in certain plants are or photo nasty is due to [DPMT 1985]
A.	Excess of transpiration
B.	The leaves getting tired of carrying on photosynthesis
C.	Decrease in the intensity of light
D.	Differential growth at the base of leaf
Answer» D. Differential growth at the base of leaf

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