Photosynthesis and Cell Respiration Practice Test

Question #1 Oxygen is taken into cells during ________. a) photosynthesis b) cell respiration c) both photosynthesis and cell respiration d) neither photosynthesis nor cell respiration

Question #2 Which substance carries electrons during glycolysis? a) ATP b) NADH c) FADH2 d) both FADH2 and NADH e) ATP, NADH, FADH2

Question #3 Which stage of cell respiration completes the breakdown of glucose into carbon dioxide? a) glycolysis b) Calvin cycle c) Krebs cycle d) electron transport system

Question #4 During photosynthesis, carbon is fixed from a) carbon dioxide to oxygen b) carbon dioxide to glucose c) glucose to oxygen d) glucose to carbon dioxide e) water to oxygen

Question #5 Oxygen forms ______ during cell respiration. a) glucose b) carbon dioxide c) water d) ATP e) chemical energy

Question #6 Which of the following is NOT a product of the Krebs cycle? a) carbon dioxide b) NADH c) oxygen d) ATP

Question #7 When excited electrons jump, _____ is needed to refill the photosystems. a) oxygen b) water c) glucose d) carbon dioxide e) sunlight

Question #8 Which of the following is NOT an enzyme? a) RuBP b) ATP synthase c) coenzyme A d) rubisco e) all of the above are enzymes

Question #9 Which of the following is NOT a product of glycolysis? a) carbon dioxide b) ATP c) NADH d) pyruvate e) they are all products

Question #10 The product(s) of the Calvin cycle is/are ___. a) glucose b) glucose and oxygen c) carbon dioxide and ATP d) water and glucose e) water and carbon dioxide