passwella.
Menu

JAMB Biology 2011 Question 10

Question 10

Respiration

Use the diagram to answer: The gas evolved in the process is

Diagram for this question
  1. A.oxygen
  2. B.carbon (II) oxide
  3. C.carbon (IV) oxide
  4. D.nitrogen.
Show the answer and explanation

Answer: C (carbon (IV) oxide)

Explanation

Yeast respiring sucrose without air gives off carbon (IV) oxide, which turns the lime water milky.