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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: - Thylakoids in chloroplasts are
- Which one of the following statements for pyramid of energy is incorrect
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- Which one of the following structure between two adjacent cells
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Thylakoids in chloroplasts are
- Which one of the following statements for pyramid of energy is incorrect
- Plants obtain carbon and most of their oxygen from
- PCR technique was invented by
- Which one of the following structure between two adjacent cells
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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