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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.
Related Questions: - In purple and green bacteria oxygen is not evolved during photosynthesis because
- Which one of the following is not correct as regards the harmful effects
- In which zone is limited human activity permitted
- Rhodopsin is found in
- Which of the following has the highest pH?
Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In purple and green bacteria oxygen is not evolved during photosynthesis because
- Which one of the following is not correct as regards the harmful effects
- In which zone is limited human activity permitted
- Rhodopsin is found in
- Which of the following has the highest pH?
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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