Which one of the following is hypertonic solution to cells present in it?
Correct answer: A. A
- A. A
- B. B
- C. C
- D. None of these
Explanation
Option A is the hypertonic solution, as it causes the cells to shrink due to the movement of water out of the cell towards the higher solute concentration. Option B is the isotonic solution, and option C is the hypotonic solution as it causes the cells to fill with water due to the movement of water towards the lower solute concentration.
This question appeared on the NUMS 2019 (cancelled sitting) paper, which you can sit online with every answer explained.
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About Biological Importance of Water
Water supports life through its polarity, hydrogen bonding and ability to dissolve ionic and polar substances. Its high specific heat, heat of vaporization, cohesion, adhesion and incompressibility help regulate temperature, transport materials and maintain structure, while hydrolysis and osmosis depend directly on water.
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