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Question
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.
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Solution
- Apical dominance
- Auxins is responsible for the scientific phenomenon mentioned in (a)
- Cytokinins
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RELATED QUESTIONS
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.
How many molecules of ATP are required to fix one molecule of nitrogen?
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?
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
Which hormone causes Bakanae disease of rice?
Name the first hormone that was discovered in plant and its precursor.
Give one example of Parthenocarpy.
