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What would happen to red blood cells in a hypotonic solution? A They would shrink due to osmotic water loss. B They would rupture due to the influx of water. C They would retain their shape due to the cell wall. D They would swell but avoid rupturing due to the cell wall. E They would pump out excess water with the contractile vacuole.

What would happen to red blood cells in a hypotonic solution?

A

They would shrink due to osmotic water loss.

B

They would rupture due to the influx of water.

C

They would retain their shape due to the cell wall.

D

They would swell but avoid rupturing due to the cell wall.

E

They would pump out excess water with the contractile vacuole.

 

Grade:12

1 Answers

Adarsh Pal
askIITians Faculty 159 Points
3 years ago

A blood cell placed in hypotonic solution would gain water as water will enter cell from surrounding hypotonic medium by the process of osmosis causing the cell to swell up. If the cell was placed in hypertonic solution, water would have moved out of the cell causing it to shrink. Red blood cells do not have the cell wall and contractile vacuoles and hence, would not be able to maintain their shape leading to their rupture. Thus, the correct answer is B.

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