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The affect of apical dominance can be overcome by which of the following hormone ______. - Biology

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प्रश्न

The affect of apical dominance can be overcome by which of the following hormone ______.

पर्याय

  • IAA

  • Ethylene

  • Gibberellin

  • Cytokinin

MCQ
रिकाम्या जागा भरा
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उत्तर

The affect of apical dominance can be overcome by which of the following hormone cytokinin.

Explanation:

The effect of apical dominance can be overcome by cytokinin hormone.

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Plant Growth Regulators - Physiological Effects of Plant Growth Regulators
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पाठ 15: Plant Growth and Development - Exercises [पृष्ठ ८४]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 11
पाठ 15 Plant Growth and Development
Exercises | Q 3. | पृष्ठ ८४

संबंधित प्रश्‍न

Ethylene is used for ______.


Coconut water contains ______.


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 ______.


To increase sugar production in sugarcanes, they are sprayed with ______.


ABA acts antagonistic to ______.


Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to

Increase yield of sugar cane


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


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?


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.


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?


Name a hormone which is gaseous in nature


Name a hormone which induces flowering in long day plants


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