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Tendrils exhibit
Options
(a) thigmotropism
(b) sismonasty
(c) heliotropism
(d) diageotropism
Correct Answer:
thigmotropism
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 stimulu
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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
- Growth of pollen tube towards embryo sac is
- In cell cycle during which phase chromosomes are arranged in equatorial plate
- In which of the following parthenocarpy makes no sense?
- In the myopia eye defect the rays of light
- Certain bacteria living in the soil, poor in oxygen convert nitrates
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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