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JAMB Biology 1982 Question 34

Question 34

Respiration

When freshly tapped palm wine was kept overnight it was found to be more alcoholic. This effect must have been due to

  1. A.the addition of saccharin
  2. B.the addition of sugar
  3. C.the addition of whisky or local gin
  4. D.some complex hydrolytic reactions
  5. E.anaerobic respiration of an organism.
Show the answer and explanation

Answer: E (anaerobic respiration of an organism.)

Explanation

Yeasts in the palm wine ferment its sugar anaerobically, producing more alcohol.