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प्रश्न
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.
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उत्तर
Ethylene (Ethret/ Ethephon) is used for ripening of fruits.
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संबंधित प्रश्न
Which of the following is not a plant hormone?
Name the following:
Growth-retarding hormone in plants.
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 :
Name one plant hormone which inhibits the said phenomenon.
Multiple choice question.
Which is employed for the artificial ripening of banana fruits?
A farmer is fed up of weeds in his Wheat farm. Which of the following chemicals he can use to overcome the problem?
Gibberellins are synthesised from ______.
The active ingredient of Agent Orange is an egual mixture of two phenoxy herbicides ____________.
In which part of plant does auxin synthesis occur?
Name the plant hormones responsible for the following
- elongation of cells
- growth of stem
- promotion of cell division
- falling of senescent leaves.
Study the diagram given below and answer the questions that follow:
- Name the phenomenon depicted by the shoot in the above diagram.
- Which plant hormone plays an important role in the above movement?
- Complete and rewrite the given statement by filling in the correct terms:
Shoots show positive ______ whereas, roots show positive ______.
