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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
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 |
ABA acts antagonistic to ______.
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
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.
Anti-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.
A gardener finds some broad-leaved dicot weeds growing in his lawns. What can be done to get rid of the weeds efficiently?
On germination a seed first produces shoot with leaves, flowers appear later, Why do you think this happens?
Fill in the blanks:
Apical dominance is due to ______.
Fill in the blanks:
______ hormone initiate rooting.
Name a hormone which is gaseous in nature
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
