Botany-Growth Regulators
NEET Botany Growth Regulators MCQ Question
Type: MCQ-diagram based-Medium-Class 11
A diagram in your textbook shows the effects of different plant growth regulators on a plant's growth and development. One of the regulators is known for causing cell elongation and breaking seed dormancy. Which growth regulator is this?
A
Gibberellic acid
B
Abscisic acid
C
Cytokinin
D
Ethylene
Correct Answer
Option A
Detailed Explanation
Gibberellic acid is known to cause cell elongation and break seed dormancy, as mentioned in the NCERT context regarding the 'bakanae' disease of rice seedlings.
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