Q. Photoperiodism was first studied by
A) Garner and Allard
B) Darwin
C) FW Went
D) Cousins
Explanation
Photoperiod was first studied by Garner and Allard (1920)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.