WAEC Biology 2006 Question 8

Question 8

Cell and Its Environment

The physical process which occurs when a red blood cell is placed in distilled water causing it to burst and break down is known as

  1. A.crenation
  2. B.plasmolysis
  3. C.turgidity
  4. D.haemolysis
Show the answer and explanation

Answer: D (haemolysis)

Explanation

Water enters the red cell by osmosis until it bursts, because it has no cell wall; this bursting is haemolysis.