Cellular Respiration Quiz

Which organelle is responsible for cellular respiration in eukaryotic cells?

• Nucleus

• Mitochondrion

• Ribosome

• Golgi apparatus

What is the first stage of cellular respiration?

• Glycolysis

• Electron transport chain

• Citric acid cycle

• Oxidative phosphorylation

Glycolysis occurs in which part of the cell?

• Mitochondria

• Cytoplasm

• Nucleus

• Endoplasmic reticulum

What is the primary molecule broken down in cellular respiration?

• Protein

• Lipid

• Glucose

• Nucleic acid

What is the net ATP yield from glycolysis per glucose molecule?

• 4 ATP

• 2 ATP

• 32 ATP

• 6 ATP

The citric acid cycle takes place in which organelle?

• Chloroplast

• Nucleus

• Mitochondrion

• Cytoplasm

What is the primary purpose of NADH in cellular respiration?

• Directly producing ATP

• Transporting electrons to the electron transport chain

• Storing oxygen for energy production

• Breaking down fatty acids

Which molecule is the final electron acceptor in the electron transport chain?

• Oxygen

• Carbon dioxide

• Glucose

• NADH

ATP is primarily synthesized through which process?

• Photosynthesis

• Oxidative phosphorylation

• Glycolysis

• Passive diffusion

Which process generates the most ATP during cellular respiration?

• Glycolysis

• Citric acid cycle

• Oxidative phosphorylation

• Pyruvate oxidation