Cellular Respiration QuizOnline version Test your knowledge on cellular respiration and its processes! by Laboteka Homeschool 1 What is cellular respiration? a A type of breathing exercise. b A physical process of gas exchange. c A method of photosynthesis. d A chemical process to break down glucose for energy. 2 What is the main difference between aerobic and anaerobic respiration? a Both require oxygen. b Anaerobic is faster than aerobic. c Aerobic occurs in plants only. d Aerobic requires oxygen; anaerobic does not. 3 Which organisms perform aerobic respiration? a Only muscle cells. b Only yeasts. c Most plants, animals, and humans. d Only bacteria. 4 What is the chemical equation for aerobic cellular respiration? a C₆H₁₂O₆ + 6H₂O → 6O₂ + energy. b C₆H₁₂O₆ + 6O₂ → 6CO₂ + energy. c C₆H₁₂O₆ + O₂ → CO₂ + H₂O. d C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy (ATP). 5 Where does glycolysis occur? a In the nucleus. b In the mitochondria. c In the endoplasmic reticulum. d In the cytoplasm. 6 What is required to start glycolysis? a Glucose and ATP. b NADH and ATP. c Pyruvic acid and oxygen. d Oxygen and glucose. 7 What is produced during glycolysis? a Lactic acid and ATP. b Carbon dioxide and water. c Pyruvic acid (pyruvate), NADH, ATP. d Glucose and oxygen. 8 Where does the Krebs cycle occur? a In the mitochondrial matrix. b In the inner mitochondrial membrane. c In the cytoplasm. d In the nucleus. 9 Where does the electron transport chain take place? a In the inner mitochondrial membrane. b In the mitochondrial matrix. c In the cytoplasm. d In the cell membrane. 10 What type of respiration do muscle cells use under low oxygen? a Photosynthesis. b Anaerobic respiration (fermentation). c Cellular respiration. d Aerobic respiration.
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