KCET · BIOLOGY · STD 11 - 13. Plant Growth and Development
Which of the following hormones does not naturally occur in plants?
- A GA
- B ABA
- C 2, 4-D
- D IAA
Answer & Solution
Correct Answer
(C) 2, 4-D
Step-by-step Solution
Detailed explanation
(C) 2, 4-D,
2,4-D (2, 4-dichlorophenoxyacetic acid) is a synthetic auxin and does not naturally occur in plants. The other hormones GA(gibberellins), ABA (abscisic acid), and IAA (indole-3-acetic acid) are naturally occurring plant hormones.
2,4-D (2, 4-dichlorophenoxyacetic acid) is a synthetic auxin and does not naturally occur in plants. The other hormones GA(gibberellins), ABA (abscisic acid), and IAA (indole-3-acetic acid) are naturally occurring plant hormones.
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