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प्रश्न
Gibberellins promote the formation of ______ flowers on genetically _____ plants in Cannabis whereas ethylene promotes formation of _______ flowers on genetically ______ plants.
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उत्तर
Gibberellins promote the formation of male flowers on genetically female plants in Cannabis whereas ethylene promotes the formation of female flowers on genetically male plants.
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संबंधित प्रश्न
Coconut water contains ______.
The affect of apical dominance can be overcome by which of the following hormone ______.
Match the following:
| Column A | Column B |
| A. IAA | i. Herring sperm DNA |
| B. ABA | ii. Bolting |
| C. Ethylene | iii. Stomatal closure |
| D. GA | iv. Weed-free lawns |
| E. Cytokinins | v. Ripening of fruits |
Apples are generally wrapped in waxed paper to ______.
To increase sugar production in sugarcanes, they are sprayed with ______.
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
Increase yield of sugar cane
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
Promote lateral shoot growth
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
Cause sprouting of potato tuber
In botanical gardens and tea gardens, gardeners trim the plants regularly so that they remain bushy. Does this practice have any scientific explanation?
Auxins are growth hormones capable of promoting cell elongation. They have been used in horticulture to promote growth, flowering and rooting. Explain the meaning of the following terms related to auxins.
Auxin precursors
Auxins are growth hormones capable of promoting cell elongation. They have been used in horticulture to promote growth, flowering and rooting. Explain the meaning of the following terms related to auxins.
Synthetic auxins
What is the mechanism underlying the phenomenon by which the terminal/apical bud suppresses the growth of lateral buds? Suggest measures to overcome this phenomenon.
Define parthenocarpy. Name the plant hormone used to induce parthenocarpy.
Fill in the blanks:
______ hormone initiate rooting.
Name a hormone which induces femaleness in flowers of cucumber
Name a hormone which is used for killing weeds (dicots)
Name a hormone which induces flowering in long day plants
