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WAEC Biology 2002 Question 6

Question 6

Cell Structure and Organisation

Which of the following represents the correct sequence, from the most simple, to the most complex of organisations?

  1. A.Mitochondrion, Muscle, Alimentary canal, Rabbit, Heart, Neurone
  2. B.Mitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit
  3. C.Alimentary canal, Neurone, Muscle, Heart, Rabbit, Mitochondrion
  4. D.Rabbit, Mitochondrion, Heart, Neurone, Alimentary canal, Muscle.
Show the answer and explanation

Answer: B (Mitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit)

Explanation

The order is organelle (mitochondrion), cell (neurone), tissue (muscle), organ (heart), system (alimentary canal) and finally the whole organism (rabbit).