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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 hormone is known as a stress hormone in plants? Why?
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?
The main function of abscisic acid in plants is to
Give the chemical features of abscisic acid.
Given below function performed by plant hormone. Which hormone is responsible for the given action?
Shedding of leaves
Name the plant hormone which is responsible for the following effect:
Falling of leaves
