Botany-Growth Regulators
NEET Botany Growth Regulators MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements about plant growth regulators is correct?
A
Gibberellic acid is linked to the disease 'bakanae' in rice seedlings.
B
Cytokinins are primarily responsible for promoting root growth.
C
Auxins are the only type of plant growth regulators affecting cell differentiation.
D
Plant growth regulators are exclusively produced in the roots of plants.
Correct Answer
Option A
Detailed Explanation
Gibberellic acid was identified as the active substance causing the 'bakanae' disease in rice seedlings, as noted in the NCERT context. The other options misrepresent the roles or production sites of plant growth regulators.
Found an issue with this question?