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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान इयत्ता ११

Name a hormone which is gaseous in nature

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प्रश्न

Name a hormone which is gaseous in nature

एक शब्द/वाक्यांश उत्तर
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उत्तर

Gaseous in nature: Ethylene (C2H4)

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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 ९०]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 11
पाठ 15 Plant Growth and Development
Exercises | Q 3. a. | पृष्ठ ९०

संबंधित प्रश्‍न

Ethylene was discovered by


Ethylene is used for ______.


Coconut water contains ______.


Apples are generally wrapped in waxed paper to ______.


The term synergistic action of hormones refers to ______.


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


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.


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.


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?


Fill in the blanks:

______ hormone initiate rooting.


Name a hormone which is used for killing weeds (dicots)


Name a hormone which induces flowering in long day plants


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