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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: - Choose the correctly matched pair – ephithelium
- Golgi body is associated with
- Which of the following are the important floral rewards to the animal pollinators?
- Autorhythmicity is a special property of the muscles of the Striped and branched
- Which enzyme joins DNA fragments?
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Choose the correctly matched pair – ephithelium
- Golgi body is associated with
- Which of the following are the important floral rewards to the animal pollinators?
- Autorhythmicity is a special property of the muscles of the Striped and branched
- Which enzyme joins DNA fragments?
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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