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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: - Taste buds on the posterior side of tongue in humans recognize
- Development of succulency with the presence of mucilage is a xerophytic adaptation
- Prokaryotic cells occur in
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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
- Taste buds on the posterior side of tongue in humans recognize
- Development of succulency with the presence of mucilage is a xerophytic adaptation
- Prokaryotic cells occur in
- Secondary phloem remains functional generally
- Brush bordered epithelium is found in
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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