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प्रश्न
Identify the growth hormone in plants which causes inhibitory effect.
पर्याय
Cytokinins
Abscissic acid
Gibberellin
Ethylene
उत्तर
Abscissic acid
Explanation:
The term ‘hormone’ was coined first by Starling (1906) in animal physiology. The internal factors that influence growth are called growth hormones or growth regulators as they inhibit, promote, or modify the growth. Growth promoters are auxins, gibberellins (GA), and cytokinins (CK). Growth inhibitors in plants are ethylene and abscissic acid (ABA).
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संबंधित प्रश्न
______ causes cell elongation, apical dominance and prevents abscission.
______ causes stomatal closure.
Which hormone is known as a stress hormone in plants? Why?
Which among the following is NOT a physiological role of abscisic acid?
Increase in abscisic acid (ABA) concentration causes ____________ in plants.
Which plant hormone promotes dormancy in seeds and buds?
The main function of abscisic acid in plants is ____________.
The main function of abscisic acid in plants is to
______ hormone is responsible for the efflux of K+ ions from guard cells and acts as an antitranspirant.
Name the stress hormone in plants.
