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JAMB Biology 2011 Question 18

Question 18

Animal Nutrition

I. Parasitism → Sundew.
II. Autotrophism → Amoeba.
III. Saprophytism → Alga.
IV. Heterotrophism → Agama.
Which of the above modes of nutrition is correctly matched with the organism that exhibits it?

  1. A.IV
  2. B.I
  3. C.II
  4. D.III
Show the answer and explanation

Answer: A (IV)

Explanation

Agama eats ready-made food (insects), so it is heterotrophic. Sundew is insectivorous, not parasitic; Amoeba is not autotrophic; algae photosynthesise rather than feed as saprophytes.