STANDARDBotany-Plant Growth Regulators
STANDARD Botany Plant Growth Regulators MCQ Question
Type: MCQ-conceptual-Medium
Removal of apical (terminal) bud of a flowering plant (or pruning of a flowering plant) leads to
A
formation of new apical buds.
B
formation of adventitious roots on the cut side.
C
early flowering (or stopping of floral growth)
D
promotion of lateral branches.
Correct Answer
Option d
Detailed Explanation
The apical bud produces auxin which suppresses the growth of lateral buds (apical dominance). Removal of the apical bud removes this auxin source, allowing lateral buds to grow, resulting in promotion of lateral branches.
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