Root pressure is maximum when
A. Transpiration is low, absorption high
B. Transpiration is high, absorption low
C. Both transpiration and absorption high
D. Both transpiration and absorption is low
Answer: Option A
Solution(By Examveda Team)
Root pressure is maximum when Transpiration is low and absorption high.The transpiration process in plants creates a suction pressure that pulls up water from the xylem of the roots to the stem and then to the leaves.
Root pressure is the transverse osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves.
When root pressure is maximum, the rate of absorption is higher whereas the loss of water through transpiration is less.
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A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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