AIIMS2018Botany-Biology
AIIMS 2018 Botany Biology MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which among the following belong to Auxin?
A
IAA, IBA, CK
B
GA3, 2,4-D, IAA
C
IAA, IBA, NAA
D
2,4-D, IAA, ABA
Correct Answer
Option C
Detailed Explanation
The correct answer is C) IAA, IBA, NAA because all three compounds are classified as auxins, which are a group of plant hormones that regulate growth and development. IAA (indole-3-acetic acid), IBA (indole-3-butyric acid), and NAA (naphthaleneacetic acid) are well-known auxins that play crucial roles in processes such as cell elongation and root development, distinguishing them from the other options listed.
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