STANDARDBotany-Plant Growth Regulators
STANDARD Botany Growth Inhibitors MCQ Question
Type: MCQ-conceptual-Medium
Leaf abscission, fruit fall, bud dormancy occurs by which phytohormone
A
Auxin
B
Cytokinin
C
Gibberellins
D
Abscisic acid
Correct Answer
Option D
Detailed Explanation
Abscisic acid is a mildly acidic growth inhibitor that promotes abscission, inhibit protein and RNA synthesis as a result senescence of leaves are stimulated, inhibition of seed germination, dormancy of buds and seeds.
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