A Level Respiration Quiz

What is the primary purpose of respiration?

• To generate water

• To consume oxygen

• To produce carbon dioxide

• To break down glucose and release energy

How many stages are there in aerobic respiration?

• Five

• Four

• Three

• Two

Where does glycolysis take place?

• Nucleus

• Inner mitochondrial membrane

• Cytoplasm

• Mitochondrial matrix

What is the net gain of ATP molecules in glycolysis?

• Two

• Four

• Eight

• Six

What molecule does pyruvate convert into during the link reaction?

• Citrate

• Acetyl CoA

• Oxaloacetate

• Glucose

What is the final electron acceptor in oxidative phosphorylation?

• Water

• Hydrogen

• Carbon dioxide

• Oxygen

How many ATP molecules are produced per glucose molecule in aerobic respiration?

• 30

• 36

• 38

• 32

What is produced in anaerobic respiration in mammals?

• Lactate

• Ethanol

• Carbon dioxide

• Oxygen

What does the Krebs cycle directly produce?

• Carbon dioxide

• Oxygen

• Glucose

• Water

What is used to measure the rate of respiration?

• Barometer

• Thermometer

• Spectrophotometer

• Respirometer