NEET 2007 Biology question
Not in NEET syllabus
Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure - 7atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be:
Answer: (1)
Solution
Diffusion pressure deficit (DPD, suction pressure) = osmotic pressure - turgor pressure. For A: 10 - 7 = 3 atm; for B: 8 - 3 = 5 atm (both agree with the given values). Water moves from the cell with lower DPD (higher water
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