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The factor most important in regulating transpiration is
Options
(a) temperature
(b) light
(c) wind
(d) relative humidity
Correct Answer:
temperature
Explanation:
Temperature is the most important factor that regulates transpiration. Transpiration takes place through open stomata. At 38-40°C stomata can open in complete darkness while at 0°C they remain closed even in continuous light. Normally high temperature above 30°C reduce stomatal opening in many species.
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Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following type of plastids does not contain stored food material?
- In dicot stem,vascular bundles are conjoint,collateral and open whereas
- Which of the following level of organization studied under biochemistry?
- Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its
- Which bacteria plays a key role in gastritis and peptic ulcer disease
Topics: Transport and Nutrition in Plants (163)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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