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Growth movements, in response to light are called
Options
(a) photolysis
(b) photoperiodism
(c) phototropism
(d) photosynthesis
Correct Answer:
phototropism
Explanation:
Thigmotropism is a directional curvature movement of growth which is produced in response to the stimulus of contact. It is most conspicuous in tendrils which coil around support and helps the plant in climbing. Phototropism is a paratonic directional growth movement of curvature which is induced and determined by the direction of light stimulus. Nastic movements are non-directional movements in which the response is determined by the structure of the responsive organ and not by the direction of the stimulus.
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- Which of the following is correctly stated as it happens in the common cockroach ?
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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
- Man in the life cycle of plasmodium is
- Which of the following is correctly stated as it happens in the common cockroach ?
- Which of the following is both exocrine and endocrine gland?
- One of the free-living, anaerobic nitrogen – fixer is:
- The juxtaglomerular apparatus is a special region formed by close placement
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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