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WAEC Biology 2012 Objective — Question 34

Question 34 of 60 from the West African Examinations Council (WAEC) Biology 2012 Objective paper, with the correct answer and a full explanation.

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Which of the following processes acts anaerobically to release alcohol and carbon (IV) oxide?

  • A. Yeast respirationCorrect
  • B. Bile action
  • C. Pepsin action
  • D. Lipase action

Explanation

Yeast respires anaerobically to release alcohol and carbon (IV) oxide, a gas known to turn lime water milky.

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