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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: - A third generation pesticide is
- What is vital capacity of our lungs?
- Which most often limits the primary productivity of the ecosystem?
- Breeding of crops with high levels of minerals, vitamins and proteins is called
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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
- A third generation pesticide is
- What is vital capacity of our lungs?
- Which most often limits the primary productivity of the ecosystem?
- Breeding of crops with high levels of minerals, vitamins and proteins is called
- Polyethylene glycol method is used for
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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