NEET Botany Plant Growth and Development Questions Solved

NEET - 2007

“Foolish seedling" disease of rice led to the discovery of:-
(a) GA
(b) ABA
(c) 2,4-D
(d) IAA

Audio Explanation:

Gibberellins (GA) were first isolated from the fungus Gibberella fujikuroi the causal organism of foolish seedling disease of rice plants in Japan by Kurasawa in 1926.

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