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WAEC Biology 2005 Question 11

Question 11

Cell Structure and Organisation

Which of the following pairs of organisms exist as colonies?

  1. A.Obelia and Euglena
  2. B.Pandorina and Volvox
  3. C.Chlamydomonas and Amoeba
  4. D.Hydra and Spirogyra
Show the answer and explanation

Answer: B (Pandorina and Volvox)

Explanation

Pandorina and Volvox are green algae made of many similar cells held together in a ball: a colony.