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

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प्रश्न

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

एक शब्द/वाक्यांश उत्तर
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उत्तर

Used for killing weeds (dicots): Auxin

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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 [English] Class 11
अध्याय 15 Plant Growth and Development
Exercises | Q 3. d. | पृष्ठ ९०

संबंधित प्रश्न

Ethylene was discovered by


Ethylene is used for ______.


Apples are generally wrapped in waxed paper 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


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

Inhibit seed germination


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.

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.


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.


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?


Fill in the blanks:

Apical dominance is due to ______.


Name a hormone which is gaseous in nature


Name a hormone which induces femaleness in flowers of cucumber


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