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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: - Identify the anabolic process from the following
- Global agreement in specific control strategies to reduce the release of ozone
- Oxides of nitrogen combine to form
- By the reaction of ketoglutaric acid with ammonia through which of the process
- Which animals are bilaterally symmetrical and triploblastic?
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Identify the anabolic process from the following
- Global agreement in specific control strategies to reduce the release of ozone
- Oxides of nitrogen combine to form
- By the reaction of ketoglutaric acid with ammonia through which of the process
- Which animals are bilaterally symmetrical and triploblastic?
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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