IGCSE Respiration

What is the process of releasing energy from glucose in the absence of oxygen known as?

• Anaerobic respiration

• Oxygenation process

• Aerobic respiration

• Glucose oxidation

Which type of respiration produces lactic acid as a byproduct?

• Aerobic respiration

• Photosynthesis

• Fermentation

• Anaerobic respiration

What is the end product of aerobic respiration?

• Carbon dioxide, water, and ATP

• Water, glucose, and ATP

• Carbon monoxide, water, and ATP

• Oxygen, glucose, and ATP

Which organelle is known as the powerhouse of the cell and is responsible for aerobic respiration?

• Golgi apparatus

• Ribosomes

• Endoplasmic reticulum

• Mitochondria

What is the chemical equation for aerobic respiration?

• C6H12O6 + 6O2 -> 6CO2 + 6H2O

• C6H12O6 + 6O2 -> 6CO2 + 6H2O + Energy

• C6H12O6 + 6O2 -> 6CO2 + 6H2O + ATP

• C6H12O6 + 6O2 -> 6CO2 + 6H2O + ADP

What is the main waste product of anaerobic respiration in yeast?

• ethanol

• glucose

• carbon dioxide

• water

Which molecule is the primary source of energy for cellular respiration?

• Glucose

• Water

• Oxygen

• Carbon dioxide

What is the end product of incomplete breakdown of glucose in muscle cells?

• Lactic acid

• Carbon dioxide

• Water

• ATP

What is the term used to describe the amount of oxygen needed to restore normal metabolic function after anaerobic respiration?

• Oxygen debt

• Carbon credit

• Energy surplus

• Respiratory reserve

During which process does the body accumulate oxygen debt?

• High-intensity exercise

• Low-intensity exercise

• Resting state

• Sleeping