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Hormone involved in phototropism is
Options
(a) kinetin
(b) IAA
(c) gibberellins
(d) 2,4-D
Correct Answer:
IAA
Explanation:
Phototropism is the bending response of shoots towards the source of light. It is promoted by the growth hormone auxin (indole acetic acid) which is present at the shoot apex.
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Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two genes R and Y are located very close on the chromosomal linkage map of maize plant
- The unequivocal proof with dominant material came from the studies on a
- Connecting link between glycolysis and Krebs cycle is/before entering Krebs cycle
- Guard cells help in:
- Smooth endoplasmic reticulum acts as a major site for synthesis of
Topics: Plant Growth and Development (126)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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