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प्रश्न
Which of the following hormones regulate stomatal colour?
पर्याय
Auxins
GA
ABA
Cytokinins
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उत्तर
ABA
Explanation:
Abscisic acid (ABA) affects stomatal closure (the query most likely refers to stomatal closure rather than color).
संबंधित प्रश्न
Match the items in column A with those of column B.
| Column A | Column B | ||
| (a) | Auxin | (i) | apical dominance |
| (b) | Gibberellin | (ii) | cell-division |
| (c) | Cytokinin | (iii) | fruit ripening |
| (d) | Ethylene | (iv) | internodal elongation |
The figure given below shows the stages of ripening in a banana. Answer the question that follow:
Mention two characteristic features of this hormone.
A farmer is fed up of weeds in his Wheat farm. Which of the following chemicals he can use to overcome the problem?
Gibberellins are synthesised from ______.
First natural cytokinin was obtained from ______.
Buyers often complain that a particular fruit merchant uses some chemical to ripen fruits in his shop.
Name the chemical he must be using to do so.
Write full form of 2,4-D
Which hormone causes Bakanae disease of rice?
Name the first hormone that was discovered in plant and its precursor.
Define the following term:
Phytohormones
