AIPMT PRELIMS2003Botany-Plant Growth Regulators
AIPMT PRELIMS 2003 Botany Hormonal Control MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Differentiation of shoot is controlled by :-
A
High auxin : cytokinin ratio
B
High cytokinin : auxin ratio
C
High gibberellin : auxin ratio
D
High gibberellin : cytokinin ratio
Correct Answer
Option B
Detailed Explanation
A high cytokinin to auxin ratio promotes shoot differentiation, while a high auxin to cytokinin ratio promotes root differentiation.
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