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प्रश्न
Fill in the blanks:
Apical dominance is due to ______.
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उत्तर
Apical dominance is due to the presence of auxins.
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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 ______.
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
Cause sprouting of potato tuber
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
Inhibit seed germination
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.
Synthetic auxins
While experimentation, why do you think it is difficult to assign any affect seen to any single hormone?
Define parthenocarpy. Name the plant hormone used to induce parthenocarpy.
On germination a seed first produces shoot with leaves, flowers appear later, Why do you think this happens?
Fill in the blanks:
______ hormone initiate rooting.
Name a hormone which induces femaleness in flowers of cucumber
