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प्रश्न
Very Short Answer Question:
What is role of gibberellin in rosette plants?
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उत्तर
Gibberellin promotes bolting i.e. elongation of internodes just prior to flowering in plants with rosette habit e.g. beet, cabbage.
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संबंधित प्रश्न
What is the general name of chemical substances which bring about control and coordination in plants?
Stems are
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 tea plants are never allowed to grow lengthwise. This is done by cutting their apical buds, a process known as pruning. In this way, tea plants get a dense growth and easy yield. Answer the following question :
What plant hormone is responsible for the scientific phenomenon mentioned in 1.1.
Multiple choice question.
Which is employed for the artificial ripening of banana fruits?
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?
In which part of plant does auxin synthesis occur?
Which among the following is the CORRECT statement regarding ethylene?
Define the following term:
Phytohormones
