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प्रश्न
______ and ______ induce chemotropism of angiosperms and gymnosperms.
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उत्तर
sugars and peptones induce chemotropism of angiosperms and gymnosperms.
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संबंधित प्रश्न
Most of the plant hormones promote plant growth. A plant hormone which inhibits growth is ______.
______ causes cell elongation, apical dominance and prevents abscission.
Bring out any two physiological activities of abscisic acid?
Increase in abscisic acid (ABA) concentration causes ____________ in plants.
Which of the following is not associated with growth of plants?
Which of the following is not associated with growth of plant?
Give a reason – ABA is also known as an antitranspirant.
Name the plant hormone which is responsible for the following effect:
Falling of leaves
Identify the growth hormone in plants which causes inhibitory effect.
The hormone which accelerates senescence (ageing) and abscission of leaves is ______.
