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प्रश्न
The hormone which accelerates senescence (ageing) and abscission of leaves is ______.
विकल्प
IAA
GA3
ABA
GA1
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उत्तर
The hormone which accelerates senescence (ageing) and abscission of leaves is ABA.
Explanation:
The hormone Abscisic Acid (ABA) is responsible for the abscission of foliage and the acceleration of senescence (ageing). It is an inhibitor of growth.
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संबंधित प्रश्न
______ causes cell elongation, apical dominance and prevents abscission.
Bring out any two physiological activities of abscisic acid?
Which physiological activity is NOT influenced by abscisic acid?
Adverse environmental condition results in production of ______ in plants.
Which phytohormone can be categorised as stress hormone?
Give the chemical features of abscisic acid.
Name the stress hormone in plants.
Describe abscissic acid physiological effects.
Name the plant hormone which is responsible for the following effect:
Falling of leaves
A growth inhibiting hormone in plants:
