NTA Abhyas NEET2020BotanyPlant - Growth and DevelopmentPractice

Which of the following physiological effects is caused in plants by gibberellic acid?

Options

AShortening of genetically tall plants
BElongation of genetically dwarf plants
CRooting in stem cuttings
DYellowing of young leaves

Correct answer

B. Elongation of genetically dwarf plants

Step-by-step solution

One of the important hormones as growth regulator in plants is the gibberellins. It is a type of promotory hormones. All varieties of this hormone are acidic. They produce a wide range of physiological effects in the plant. One of the effects of this hormone is the increase in the axis of the stem which is used in elongation of genetically dwarf plants.

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