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JAMB Biology 2006 Question 40

Question 40

Animal Nutrition

An organism which exhibits extracellular digestion is

  1. A.Spirogyra
  2. B.Paramecium
  3. C.Amoeba
  4. D.Rhizopus
Show the answer and explanation

Answer: D (Rhizopus)

Explanation

Rhizopus releases digestive enzymes onto its food and absorbs the products, so digestion happens outside its cells. Amoeba and Paramecium digest food inside food vacuoles, and Spirogyra makes its own food.