Cellular Respiration Quiz

What is the primary aim of cellular respiration?

• To produce glucose

• To make ATP

• To release oxygen

• To consume carbon dioxide

Which gas is consumed during aerobic respiration?

• Carbon dioxide

• Nitrogen

• Oxygen

• Hydrogen

What happens to glucose during cellular respiration?

• It is converted into oxygen

• It is broken down via oxidation

• It is stored as fat

• It is turned into protein

How much free energy is released when glucose is oxidized?

• 500 kcal/mol

• 685 kcal/mol

• 300 kcal/mol

• 1000 kcal/mol

What is the chemical equation for glucose metabolism?

• C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O

• C₆H₁₂O₆ + 6CO₂ → 6O₂ + 6H₂O

• C₆H₁₂O₆ + 6H₂O → 6CO₂ + 6O₂

• C₆H₁₂O₆ + 6O₂ → 6H₂O + 6CO₂

Which of the following is NOT an energy intermediate produced during glucose metabolism?

• ATP

• NADH

• FADH₂

• DNA

Which of the following is a metabolic pathway involved in glucose metabolism?

• Photosynthesis

• Glycolysis

• Fermentation

• Calvin cycle

What is the primary purpose of glucose metabolism?

• To produce glucose

• To generate energy intermediates

• To store fat

• To synthesize proteins

What is the first step in cellular respiration where glucose is broken down?

• Citric acid cycle

• Glycolysis

• Oxidative phosphorylation

• Electron transport chain

During the breakdown of pyruvate, what are the products formed?

• 2 CO₂ and 2 acetyl

• 4 CO₂ and 2 acetyl

• 2 ATP and 2 NADH

• 6 NADH and 2 FADH₂