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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 - Biology

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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

विकल्प

  • 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
जोड़ियाँ मिलाइएँ
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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
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 15: Plant Growth and Development - Exercises [पृष्ठ ८४]

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

संबंधित प्रश्न

Ethylene was discovered by


Ethylene is used for ______.


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


The term synergistic action of hormones refers 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

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.

Anti-auxins


While experimentation, why do you think it is difficult to assign any affect seen to any single hormone?


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 flowering in long day plants


Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?


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