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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: - Which of the following enzymes helps in crossing plasma membrane
- Rhizophora sp. is characteristic of
- Vegetation of tundra consists of
- Histamines the inflammation producing substances are produced by which cells
- Decomposers are organisms that
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following enzymes helps in crossing plasma membrane
- Rhizophora sp. is characteristic of
- Vegetation of tundra consists of
- Histamines the inflammation producing substances are produced by which cells
- Decomposers are organisms that
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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