Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 4 PCB Single Correct MCQ
Published on: August 12, 2026

Match the Column-I and Column-Il

Column-I Column-II

A
Auxin (i) Adenine derivatives
A-(ii), B-(i), C-(iv), D-(iii)
B
Gibberellin (ii) Carotenoid derivatives
A-(iv), B-(ii), C-(i), D-(iii)
C
Cytokinin (iii) Terpins
A-(ii), B-(i), C-(iii), D-(iv)
D
(iv) Indole compounds A-(iv), B-(iii), C-(i), D-(ii)

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The term 'auxin' is applied to the indole-3-acetic acid (IAA), and to other natural and synthetic compounds having certain growth regulating properties. Cytokinin has specific effects on cytokinesis, and was discovered as kinetin (a modified form of adenine) from the autoclaved herring sperm DNA. Gibberellic acid is a simple gibberellin, a pentacyclic diterpene acid promoting growth and elongation of cells.

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