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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: - Inside a cell the respiratory enzyme are contained in
- Photosynthetic bacteria have pigments in
- Rhododendron is characteristic of vegetation of
- During seed germination its stored food is mobilized
- Which of the following animals is not viviparous?
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Inside a cell the respiratory enzyme are contained in
- Photosynthetic bacteria have pigments in
- Rhododendron is characteristic of vegetation of
- During seed germination its stored food is mobilized
- Which of the following animals is not viviparous?
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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