A : If we apply pressure from above on the water within the thistle funnel. We can stop entry of water through osmosis.
R : This pressure at which the entry of water across the permeable membrane stops is called osmotic pressure.
A. Both are correct and R is the correct explanation for A.
B. Both are correct and R is the correct not explanation for A.
C. A is correct and R is wrong
D. R is correct and A is wrong
Answer : Option C
A : When the temperature is high and the soil contains excess of water, the plants tends to lose water in the form of droplets from lenticles.
R : Root pressure does not regulate the rate of loss of water from lenticles.
A. Both are correct and R is the correct explanation for A.
B. Both are correct and R is the correct not explanation for A.
C. A is correct and R is wrong
D. R is correct and A is wrong
Answer : Option C
A : In angiosperms, the conduction of water is more efficient because their xylem has vessels.
R : Conduction of water by vessel elements is an active process with energy supplied by xylem parenchyma rich in mitochondria.
A. Both are correct and R is the correct explanation for A.
B. Both are correct and R is the correct not explanation for A.
C. A is correct and R is wrong
D. R is correct and A is wrong
Answer : Option A
A : We are able to produce electricity from water fall from stored water in dams.
R : The gravitational pull is resposible for conversion of potential energy of water in the form of energy which can do work.
A. Both are correct and R is the correct explanation for A.
B. Both are correct and R is the correct not explanation for A.
C. A is correct and R is wrong
D. R is correct and A is wrong
Answer : Option A