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प्रश्न
Multiple choice question.
Which is employed for the artificial ripening of banana fruits?
विकल्प
Auxin
Ethylene
Cytokinin
Gibberellin
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उत्तर
Ethylene
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संबंधित प्रश्न
What is the general name of chemical substances which bring about control and coordination in plants?
Which of the following hormones regulate stomatal colour?
Auxins are abundantly produced in
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 questions:
- Name the scientific phenomenon that is being overcome by pruning.
- What plant hormone is responsible for the scientific phenomenon mentioned in (a)?
- Name one plant hormone which inhibits the said phenomenon.
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
Name the tissue that transports hormones within the plant body?
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?
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 ______.
Name the first hormone that was discovered in plant and its precursor.
