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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
The main function of the plant hormone called abscisic acid is to ______.
Most of the plant hormones promote plant growth. A plant hormone which inhibits growth is ______.
______ is growth inhibitor.
Which phytohormone can be categorised as stress hormone?
Which plant hormone promotes dormancy in seeds and buds?
Which of the following is not associated with growth of plants?
Give a reason – ABA is also known as an antitranspirant.
Name the stress hormone in plants.
______ and ______ induce chemotropism of angiosperms and gymnosperms.
Define the following term:
Abscission
