A) temperature and soil
B) light and temperature
C) wind, temperature and light
D) light, temperature, atmospheric humidity and wind
Correct Answer: D
Solution :
Transpiration is a physical as well as physiological process in which water is evaporated in the form of vapour from aerial parts of plants, particularly with the help of structures known as stomata. Stomata usually open during day time (i.e., light). Increase in temperature increases the rate of transpiration. High atmospheric humidity reduces the process of transpiration and moving ah- (wind) increases the rate of transpiration.
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