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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 one of the following pairs of nitrogenous bases of nucleic acids
- Holdfasat, stipe and frond constitues the plant body in case of
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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
- Which one of the following pairs of nitrogenous bases of nucleic acids
- Holdfasat, stipe and frond constitues the plant body in case of
- The oxidative breakdown of respiratory substrates, with help of oxygen, is termed as
- Metamorphosis of tadple is due to which of the following hormone?
- The Leydig cells found in the human body are the secretory source of
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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