131.  

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

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132.  

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

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133.  

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

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134.  

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

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