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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: - Haploids are more suitable for mutation studies than the diploids. This is because
- Cauliflower mosaic virus contains
- Which one of the following pairs of organs includes only the endocrine glands?
- Mayrs biological concepts of species is mainly based on
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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
- Haploids are more suitable for mutation studies than the diploids. This is because
- Cauliflower mosaic virus contains
- Which one of the following pairs of organs includes only the endocrine glands?
- Mayrs biological concepts of species is mainly based on
- A good example for recapitulation theory is
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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