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JAMB Biology 2008 Question 3

Question 3

Cell Structure and Organisation

The cell of an onion bulb can be differentiated from a cheek cell by the presence of

  1. A.plasmalemma
  2. B.chloroplast
  3. C.cell wall
  4. D.nucleus.
Show the answer and explanation

Answer: C (cell wall)

Explanation

Plant cells have a cellulose cell wall but animal cells do not. Onion bulb cells grow underground, so they have no chloroplasts, and both cells have a membrane and nucleus.