wiz-icon
MyQuestionIcon
MyQuestionIcon
4
You visited us 4 times! Enjoying our articles? Unlock Full Access!
Question

Photoperiodism was discovered by

A
W. Went
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
F.F. Blackman
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Garner and Allard
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
F.E. Fritsch
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A W. Went
Photoperiodism is the phenomenon in which various physiological reactions response to the relative length of dark or light periods. It was discovered by W. W. Garner and H. A. Allard. Short day plants are those plants that begin flowering when the days are shorter than their critical day length. They require long period of darkness and short period of light to flower. Long day plants are those plants that begin flowering when the days are longer than their critical day length. They will flower when they are exposed to short period of darkness and long period of light.
Thus, the correct answer is option C

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Photoperiodism
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon