The term 'photoperiodism' was proposed by or The phenomenon of photope – McqOptions

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1.	The term 'photoperiodism' was proposed by or The phenomenon of photoperiodism in plants was discovered by [BHU 1982, 85; MP PMT 1987, 94, 2002; CPMT 1987]
A.	Lysenko and Thimman
B.	Blackman and Skoog
C.	Garner and Allard
D.	Chailakhyan and Borthwick
Answer» D. Chailakhyan and Borthwick

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