Effect of length of day (light duration) on flowering is called [BHU – McqOptions

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1.	Effect of length of day (light duration) on flowering is called [BHU 1979; CPMT 1984; CPMT 1991; JIPMER 2001]
A.	Phototropism
B.	Photoperiodism
C.	Photorespiration
D.	None of the above
Answer» C. Photorespiration

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