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प्रश्न
Conversion of nitrates to nitrogen is called ______.
विकल्प
ammonification
nitrification
nitrogen fixation
denitrification
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:
Hormone that stimulates growth by cell division.
List five plant growth hormones and briefly describe their roles.
The figure given below shows the stages of ripening in a banana. Answer the question that follow:
Mention two characteristic features of this hormone.
Gibberellins are synthesised from ______.
Which hormone causes Bakanae disease of rice?
Name various plant hormones. Also give their physiological effects on plant growth and development.
Give one example of Parthenocarpy.
The only phytohormone which is a gas at ordinary temperature:
Differentiate between:
Stimulus and response
