One set of a plant was grown at 12 hours day and 12 hours night period – McqOptions

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1.	One set of a plant was grown at 12 hours day and 12 hours night period cycles and it flowered while in the other set night phase was interrupted by flash of light and it did not produce flower. Under which one of the following categories will you place this plant [CBSE PMT 2004]
A.	Day neutral
B.	Short day
C.	Long day
D.	Darkness neutral
Answer» C. Long day

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