Which of the following can bring about the greatest increase in the rate of transpiration?
-
A.
Increased humidity -
B.
Reduced temperature -
C.
Reduced wind speed -
D.
Reduced humidity
Correct Answer: Option D
Explanation
Relative humidity: As the relative humidity of the air surrounding the plant rises the transpiration rate falls. It is easier for water to evaporate into dryer air than into more saturated air.