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प्रश्न
Conversion of nitrates to nitrogen is called ______.
विकल्प
ammonification
nitrification
nitrogen fixation
denitrification
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उत्तर
Conversion of nitrates to nitrogen is called denitrification.
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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 |
Name the following:
Growth-retarding hormone in plants.
Multiple choice question.
Abscisic acid controls ______.
Gibberellins are synthesised 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
Cause of degreening is ______.
Name various plant hormones. Also give their physiological effects on plant growth and development.
The only phytohormone which is a gas at ordinary temperature:
Which one of the following pair of plant hormones inhibit flowering in some plants?
