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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
- Fovea in the eye is a central pit in the yellowish pigmented spot called
- Which one of the following matches is correct
- The pineapple which under natural conditions is difficult to blossom has been made
- In leaves of C₄ plants malic acid synthesis during CO₂ fixation occurs in
- Silent valley having rare plants and animals is located 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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