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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 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 |
Apples are generally wrapped in waxed paper 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.
Auxin precursors
While experimentation, why do you think it is difficult to assign any affect seen to any single hormone?
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.
To get a carpet like grass lawns are mowed regularly. Is there any scientific explanation for this?
Define parthenocarpy. Name the plant hormone used to induce parthenocarpy.
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:
______ hormone initiate rooting.
Name a hormone which induces femaleness in flowers of cucumber
Name a hormone which induces flowering in long day plants
