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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 muscle fatigue occurs due to accumulation of
- Which one of the following is commonly used in transfer of foreign DNA into crop plants?
- In lactic acid fermentation the number of ATP formed by the oxidation of NADH
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- The earth was formed about how many years ago?
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The muscle fatigue occurs due to accumulation of
- Which one of the following is commonly used in transfer of foreign DNA into crop plants?
- In lactic acid fermentation the number of ATP formed by the oxidation of NADH
- Which of these are necessary for initiation of blood clotting process?
- The earth was formed about how many years ago?
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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