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

Ethylene is used for ______.

Advertisements
Advertisements

प्रश्न

Ethylene is used for ______.

विकल्प

  • Retarding ripening of tomatoes

  • Hastening of ripening of fruits

  • Slowing down ripening of apples

  • Both Hastening of ripening of fruits and Slowing down ripening of apples

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

Ethylene is used for hastening of ripening of fruits.

Explanation:

Hastening the ripening of fruits

shaalaa.com
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]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 11
अध्याय 15 Plant Growth and Development
Exercises | Q 1. | पृष्ठ ८४

संबंधित प्रश्न

Ethylene was discovered by


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

Apples are generally wrapped in waxed paper 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


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

Cause sprouting of potato tuber


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


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.


On germination a seed first produces shoot with leaves, flowers appear later, Why do you think this happens?


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)


Name a hormone which induces flowering in long day plants


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×