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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: - Consider the following statements about biomedical technologies
- Potato is the major staple,underground plant product. It is the modification of
- The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin
- Electrocardiograph was developed by
- Which one is homosporous
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Consider the following statements about biomedical technologies
- Potato is the major staple,underground plant product. It is the modification of
- The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin
- Electrocardiograph was developed by
- Which one is homosporous
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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