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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: - Growth in numbers is maximum in the zone of
- When the light intensity changes from 1 to 100 units, the response of the eye
- Electrons from excited chlorophyll molecule of photosystem II are accepted first by:
- Which of the following is not correct Sponges
- In which of the following purifying bacteria is present
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Growth in numbers is maximum in the zone of
- When the light intensity changes from 1 to 100 units, the response of the eye
- Electrons from excited chlorophyll molecule of photosystem II are accepted first by:
- Which of the following is not correct Sponges
- In which of the following purifying bacteria is present
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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