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Cell A has an osmotic potential of −18 bars and a pressure potential of 8 bars, whereas cell B has an osmotic potential of −14 bars and a pressure potential of 2 bars. The direction of flow of water will be
  • a)
    From cell B to cell A
  • b)
    From cell A to cell B
  • c)
    No flow of water
  • d)
    In both the directions
Correct answer is 'B'. Can you explain this answer?
Verified Answer
Cell A has an osmotic potential of −18 bars and a pressure poten...
The water potential (ψ) is equal to osmotic potential (ψS) + pressure potential ψp. Osmotic potential is always in negative value. The water potential is always in negative value. The water potential is the chemical potential of water, which is equivalent to DPD with negative sign. Therefore, water potential (ψA) of cell A = 
ψA = ψs + ψp = -18 + 8 = -10 water potential of cell  B (ψB) = 
ψB =  ψs + ψp = -14 + 2 = -12
Since, water moves from higher water potential to lower potential, the flow of water will be from cell A(-10 bars) to cell B(-12 bars). 
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Most Upvoted Answer
Cell A has an osmotic potential of −18 bars and a pressure poten...
Water flows from higher water potential to lower water potential. The water potential is calculated by the sum of osmotic potential and pressure potential. Using this formula water potential of cell A comes out to be -10 bars,
whereas the water potential of cell B comes out to be -12 bars. Hence, water will flow from cell A (higher water potential) to cell B (lower water potential).
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Cell A has an osmotic potential of −18 bars and a pressure potential of 8 bars, whereas cell B has an osmotic potential of −14 bars and a pressure potential of 2 bars. The direction of flow of water will bea)From cell B to cell Ab)From cell A to cell Bc)No flow of waterd)In both the directionsCorrect answer is 'B'. Can you explain this answer?
Question Description
Cell A has an osmotic potential of −18 bars and a pressure potential of 8 bars, whereas cell B has an osmotic potential of −14 bars and a pressure potential of 2 bars. The direction of flow of water will bea)From cell B to cell Ab)From cell A to cell Bc)No flow of waterd)In both the directionsCorrect answer is 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Cell A has an osmotic potential of −18 bars and a pressure potential of 8 bars, whereas cell B has an osmotic potential of −14 bars and a pressure potential of 2 bars. The direction of flow of water will bea)From cell B to cell Ab)From cell A to cell Bc)No flow of waterd)In both the directionsCorrect answer is 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cell A has an osmotic potential of −18 bars and a pressure potential of 8 bars, whereas cell B has an osmotic potential of −14 bars and a pressure potential of 2 bars. The direction of flow of water will bea)From cell B to cell Ab)From cell A to cell Bc)No flow of waterd)In both the directionsCorrect answer is 'B'. Can you explain this answer?.
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