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

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

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प्रश्न

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

पर्याय

  • A – iv, B – iii, C – v, D – ii, E – i

  • A – v, B – iii, C – iv, D – ii, E – i

  • A – iv, B – i, C – iv, D – iii, E – ii

  • A – v, B – iii, C – ii, D – i, E – iv

MCQ
जोड्या लावा/जोड्या जुळवा
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उत्तर

A – iv, B – iii, C – v, D – ii, E – i

Explanation:

Column A Column B
A. IAA iv. Weed-free lawns
B. ABA iii. Stomatal closure
C. Ethylene v. Ripening of fruits
D. GA ii. Bolting
E. Cytokinins i. Herring sperm DNA
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Plant Growth Regulators - Physiological Effects of Plant Growth Regulators
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 15: Plant Growth and Development - Exercises [पृष्ठ ८४]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 11
पाठ 15 Plant Growth and Development
Exercises | Q 4. | पृष्ठ ८४

संबंधित प्रश्‍न

Coconut water contains ______.


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


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.


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.

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?


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:

______ hormone initiate rooting.


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