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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.
Related Questions: - The term heterosis was first coined by
- Alginic is produced by
- The requirement of assimilatory power to fix 6 molecules of CO is
- Fungi resemble with algae except
- The first biocide used on a large scale was
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The term heterosis was first coined by
- Alginic is produced by
- The requirement of assimilatory power to fix 6 molecules of CO is
- Fungi resemble with algae except
- The first biocide used on a large scale was
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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