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JAMB Biology 1994 Question 20

Question 20

Respiration

The part labelled J is called

Diagram for this question
  1. A.porosimeter
  2. B.potometer
  3. C.manometer
  4. D.auxanometer.
Show the answer and explanation

Answer: C (manometer)

Explanation

The U-tube of water joining the two flasks shows pressure changes as oxygen is used up; a tube used to measure gas pressure is a manometer.