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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा 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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अध्याय 15: Plant Growth and Development - Exercises [पृष्ठ ९०]

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

संबंधित प्रश्न

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

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

Increase yield of sugar cane


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


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.

Auxin precursors


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?


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.


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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