AIIMS2019Botany-General
AIIMS 2019 Botany General MCQ Question
Type: MCQ-Medium-Class 11
Which of the following are plant growth promoters?
A
NAA, IBA, Zeatin, GA3
B
NAA, ABA, Zeatin, GA3
C
IBA, IAA, ABA, 2,4-D
D
IBA, BAP, ABA, Zeatin
Correct Answer
Option A
Detailed Explanation
Plant growth promoters include substances like auxins (IBA, NAA), cytokinins (Zeatin), and gibberellins (GA3) that promote cell division, stem elongation, and other growth processes.
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