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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 statements is correct? Azotobacter
- Rhizopus produces asexually by means of
- What type of spores are in bryophytes
- Damage of O₃ layer is due to harmful effects of
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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
- Which one of the following statements is correct? Azotobacter
- Rhizopus produces asexually by means of
- What type of spores are in bryophytes
- Damage of O₃ layer is due to harmful effects of
- The slime moulds are characterised by the presence of
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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