Question

The solution used to identify the presence of carbon dioxide in aerobic respiration experiment is

• A. Diazene green
• B. Potassium hydroxide
• C. Betadin
• D. The rod containing Sulphur

Answer 1

Answer: (B)

Potassium hydroxide

• There is the release of carbon dioxide during the process of aerobic respiration was proved by the respiroscope experiment performed by Ganong.
• KOH solution was present in the flask and absorbs $C{O}_2$ released by germinating seeds and a vacuum is created.
• The created vacuum raises the Hg level in the tube which indicates the formation of carbon dioxide in aerobic respiration.

Thus, the correct answer is option B.