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प्रश्न
Give one example of Parthenocarpy.
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उत्तर
Apples, tomatoes, bananas, grapes, etc.
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संबंधित प्रश्न
What is the general name of chemical substances which bring about control and coordination in plants?
Auxins are abundantly produced in
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.
A farmer is fed up of weeds in his Wheat farm. Which of the following chemicals he can use to overcome the problem?
Match the column A with B
| A | B | |
| i. | Epinasty of flower | GA3 |
| ii. | Natural auxin | NAA |
| iii. | Flowering in Litchi | IAA |
| iv. | Bolting of Beet | Ethylene |
A gardener wants to give bushy appearance to plants in our college campus.
- What should he do to achieve the same?
- Which property of phytohormones he must be aware of?
Flowering in pineapple is promoted by ____________.
Bakane disease of rice is caused by ______.
Which plant hormone is called an antitranspirant?
