हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा ११

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

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प्रश्न

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

विकल्प

  • IAA

  • Cytokinin

  • Gibberellin

  • Ethylene

MCQ
रिक्त स्थान भरें
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उत्तर

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

Explanation:

Gibberellin lengthens the stem, increasing the quantity of sugar in the sugarcane.

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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 ८५]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 11
अध्याय 15 Plant Growth and Development
Exercises | Q 9. | पृष्ठ ८५

संबंधित प्रश्न

Ethylene is used for ______.


Coconut water contains ______.


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


Apples are generally wrapped in waxed paper to ______.


The term synergistic action of hormones refers to ______.


ABA acts antagonistic to ______.


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


Gibberellins promote the formation of ______ flowers on genetically _____ plants in Cannabis whereas ethylene promotes formation of _______ flowers on genetically ______ plants.


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.

Anti-auxins


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:

Apical dominance is due to ______.


Fill in the blanks:

______ hormone initiate rooting.


Name a hormone which is gaseous in nature


Name a hormone which induces femaleness in flowers of cucumber


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


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