Question

The discovery of each of the five major groups of PGRs (auxin, GA, cytokinin, ABA and ethylene) have been accidental. All this started with the observation of
A. F.W. Went 
B.  E. Kurosawa
C.  Skoog and Miller
D. Charles Darwin and his son Francis Darwin 

Answer 1

Correct Answer - D
The discovery of each of the five major groups of PGRS (auxin, GA, cytokinin, ABA and ethylene) have been accidental. All this started with the observation of Charles Darwin and his son Francis Darwin.