Advertisements
Advertisements
प्रश्न
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
Advertisements
उत्तर
Anti-auxins, such as p–chlorophenoxy isobutyric acid (PCIB) and TIBA, are compounds that block the activity of auxins.
APPEARS IN
संबंधित प्रश्न
Ethylene was discovered by
Ethylene is used for ______.
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 |
The term synergistic action of hormones refers to ______.
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
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.
Synthetic auxins
While experimentation, why do you think it is difficult to assign any affect seen to any single hormone?
To get a carpet like grass lawns are mowed regularly. Is there any scientific explanation for this?
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 flowering in long day plants
