Advertisements
Advertisements
प्रश्न
Name a hormone which is gaseous in nature
Advertisements
उत्तर
Gaseous in nature: Ethylene (C2H4)
APPEARS IN
संबंधित प्रश्न
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 ______.
ABA acts antagonistic to ______.
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
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.
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.
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
Name a hormone which is used for killing weeds (dicots)
Name a hormone which induces flowering in long day plants
