Fermentation with Yeast and Sugar Quiz

What is fermentation primarily characterized by?

• The breakdown of substances by light

• The cooling of substances

• The synthesis of new compounds

• The breakdown of substances by microorganisms

Which of the following is NOT required for the fermentation experiment?

• Vinegar

• Balloons

• Sugar

• Yeast

How much sugar is added to the third bottle in the experiment?

• 3 teaspoons

• 2 teaspoons

• 1 teaspoon

• No sugar

What gas is produced during the fermentation process?

• Hydrogen

• Nitrogen

• Oxygen

• Carbon dioxide

What is the main waste product of yeast metabolism besides carbon dioxide?

• Lactic acid

• Methane

• Ethanol

• Water