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प्रश्न
A farmer is fed up of weeds in his Wheat farm. Which of the following chemicals he can use to overcome the problem?
विकल्प
IBA
IAA
NAA
2,4 – D
उत्तर
2,4 – D
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संबंधित प्रश्न
Common gibberellin is
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.
Answer the following question.
What are plant hormones? Name the plant hormones responsible for the following:
- Growth of stem
- Promotion of cell division
- Inhibition of growth
- Elongation of cells
Multiple choice question.
Abscisic acid controls ______.
Name the tissue that transports hormones within the plant body?
Coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps.
What is the significance of the above experiment performed by Dr. F. Went?
Flowering in pineapple is promoted by ____________.
Antidiuresis is the role of ______ hormone.
Name the plant hormones responsible for the following
- elongation of cells
- growth of stem
- promotion of cell division
- falling of senescent leaves.
