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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 of the following is most important factor in regulation of transpiration
- Satellite DNA is useful tool in:
- Sclerenchymatous hypodermis is present in
- In a monoecious plant
- Number of prothallial cells present in an anther is
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is most important factor in regulation of transpiration
- Satellite DNA is useful tool in:
- Sclerenchymatous hypodermis is present in
- In a monoecious plant
- Number of prothallial cells present in an anther is
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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