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WAEC Biology 2003 Question 7

Question 7

Cell and Its Environment

The main reason why rotten eggs should be separated from fresh eggs is that

  1. A.foul air from the rotten eggs could easily diffuse through the shells of fresh eggs.
  2. B.fresh eggs could easily crack if foul air diffuses into it
  3. C.It is difficult to get rid of foul air on egg shells.
  4. D.a fresh egg shrinks if foul air diffuses into it.
Show the answer and explanation

Answer: A (foul air from the rotten eggs could easily diffuse through the shells of fresh eggs.)

Explanation

Egg shells are porous, so gases from rotten eggs can diffuse into fresh eggs and spoil them.