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

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

Advertisements
Advertisements

प्रश्न

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

विकल्प

  • IAA

  • Cytokinin

  • Gibberellin

  • Ethylene

MCQ
रिक्त स्थान भरें
Advertisements

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.

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 ८५]

APPEARS IN

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

संबंधित प्रश्न

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 ______.


ABA acts antagonistic to ______.


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


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


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?


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 ______.


Fill in the blanks:

______ hormone initiate rooting.


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


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×