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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 |
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उत्तर
| Column A | Column A | ||
| (a) | Auxin | (i) | apical dominance |
| (b) | Gibberellin | (iv) | internodal elongation |
| (c) | Cytokinin | (ii) | cell-division |
| (d) | Ethylene | (iii) | fruit ripening |
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अध्याय 7: Chemical Coordination in Plants - Review Questions [पृष्ठ ९४]
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संबंधित प्रश्न
What is the general name of chemical substances which bring about control and coordination in plants?
Stems are
Name the following:
Hormone that stimulates growth by cell division.
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
Write the name of______
- First hormone discovered in plants.
- Biological name of fungus from which Gibberellins were first isolated.
- The name given to the first cytokinin by Skoog and Miller.
Apical dominance refers to ____________.
Match the following lists and select the correct option.
| List I | List II | ||
| i. | 2,4-D | a. | Promotes senescence and ripening of fruits |
| ii. | ABA | b. | DelaysJeaf senescence |
| iii. | Gibberellins | c. | Increases the length of the sugarcane stem |
| iv. | Ethylene | d. | Kills dicotyledonous weeds without affecting mature monocotyledonous plants |
| e. | Stimulates the closure of stomata |
Identify the INCORRECT statement regarding physiological effects of ethylene.
The only phytohormone which is a gas at ordinary temperature:
Which plant hormone is called an antitranspirant?
