Some flowers (e.g., Oxalis) open in the morning and close during eveni – McqOptions

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1.	Some flowers (e.g., Oxalis) open in the morning and close during evening because of [RPMT 1996; AIIMS 1996; KCET 1998]
A.	Photonasty
B.	Phototropism
C.	Phototaxis
D.	Nyctinasty
Answer» B. Phototropism

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