Q. The picture below shows three different types of plants (marked as P-I, P-II and P-III) which flower on the basis of their critical photoperiod. Now identify these plants (P-I, II and III).Biology Question Image

 2340  199 Plant Growth and Development Report Error

Solution:

Correct answer is (b) P-I = Short day plant; P-II = Long day plant; P-III = Day neutral plant