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प्रश्न
To get a carpet like grass lawns are mowed regularly. Is there any scientific explanation for this?
उत्तर
The process of decapitation of plants leads to the inactivation of axillary buds and promotes the growth of lateral buds giving a carpet-like appearance.
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संबंधित प्रश्न
Ethylene was discovered by
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 |
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
Inhibit seed germination
Gibberellins promote the formation of ______ flowers on genetically _____ plants in Cannabis whereas ethylene promotes formation of _______ flowers on genetically ______ plants.
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
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
Fill in the blanks:
Apical dominance is due to ______.
Name a hormone which is gaseous in nature
Name a hormone which is used for killing weeds (dicots)
