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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 taxa covers a greater number of organisims?
- Each human kidney has nearly
- The juxtaglomerular apparatus is a special region formed by close placement
- Which one of the cell organalles is not enclosed by any membrane?
- In which of the following plants amphivasal leptocentric vascular bundles
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 taxa covers a greater number of organisims?
- Each human kidney has nearly
- The juxtaglomerular apparatus is a special region formed by close placement
- Which one of the cell organalles is not enclosed by any membrane?
- In which of the following plants amphivasal leptocentric vascular bundles
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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