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प्रश्न
Give a reason – ABA is also known as an antitranspirant.
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उत्तर
ABA could cause efflux of k+ ions from the guard cells and result in closure of stomata. So, it is known as an antitranspirant.
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संबंधित प्रश्न
Name the plant hormone which is responsible for the following effect:
Closing of stomata
______ causes cell elongation, apical dominance and prevents abscission.
Which physiological activity is NOT influenced by abscisic acid?
Increase in abscisic acid (ABA) concentration causes ____________ in plants.
The main function of abscisic acid in plants is to
The substance that triggers the fall of mature leaves and fruits from plants is due to
Give the chemical features of abscisic acid.
Name the stress hormone in plants.
Name the plant hormone which is responsible for the following effect:
Falling of leaves
The hormone which accelerates senescence (ageing) and abscission of leaves is ______.
