Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of test - tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.
- What could be X, Y and Z?
- What is the process of converting sugar into substance Y by the action of X known as?
- What type of respiration is exhibited by X in the above process?
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- X is yeast.
- Y is ethanol.
- Z is carbon-dioxide.
- Fermentation is the process of converting sugar into substance Y by the action of X.
- Anaerobic respiration is exhibited by X in the above process.
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