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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 |
जोड्या लावा/जोड्या जुळवा
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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Plant Hormones
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संबंधित प्रश्न
Which of the following hormones regulate stomatal colour?
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
Buyers often complain that a particular fruit merchant uses some chemical to ripen fruits in his shop.
Name the chemical he must be using to do so.
Name the phytohormone related with the given phenomenon.
- Apical dominance
- Bolting of Cabbage
- Artificial ripening of fruit
- Acts as Anti-transpirant by closing stomata
Write full form of 2,4-D
In which part of plant does auxin synthesis occur?
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 |
IAA stands for ______.
A plant growth inhibitor hormone which causes wilting of leaves is ______.
The only phytohormone which is a gas at ordinary temperature:
