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Phototropic curvature is the result of uneven distribution of:
Options
(a) gibberellin
(b) Phytochrome
(c) cytokinins
(d) auxin
Correct Answer:
auxin
Explanation:
Phototrophic curvature is the result of uneven distribution of auxin. The experiments conducted by Charles Darwin concluded that the tip of coleoptile of canary grass contain auxin that causes the bending of the entire coleoptile towards the light source.
Related Questions: - Which one of the following organisms is correctly matched with its three characteristics?
- Which of the following basic processes affect the Hardy Weinberg equilibrium?
- Which of the most stable product formed with haemoglobin?
- When the movement of plant or plant body is governed by external stimulus
- Corpus callosum is seen in
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 organisms is correctly matched with its three characteristics?
- Which of the following basic processes affect the Hardy Weinberg equilibrium?
- Which of the most stable product formed with haemoglobin?
- When the movement of plant or plant body is governed by external stimulus
- Corpus callosum is seen in
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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