- A) Nonpolar covalent
- B) Redox
- C) Polar covalent
- D) Ionic
Biochemistry MCQ
Total MCQ: 92
Quiz Leaderboard
1st
Debabrata
Score: 100%
Questions: 20
2nd
Debabrata
Score: 100%
Questions: 20
3rd
Debabrata
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Questions: 20
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Sourav
Score: 90%
Questions: 20
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Nischal
Score: 90%
Questions: 10
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Priyanka
Score: 90%
Questions: 10
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Martin
Score: 65%
Questions: 20
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Vesnce
Score: 45%
Questions: 20
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Hector
Score: 40%
Questions: 10
10th
Sabhyata
Score: 40%
Questions: 10
62 Which stage of glucose metabolism produces the most ATP?
- A) Krebs cycle
- B) Glycolysis
- C) Fermentation of pyruvate to lactate
- D) Electron transport and chemiosmosis
63 What is the function of the F0 component in the mitochondria?
- A) To generate ATP in the mitochondria
- B) To transport NADH from the cytoplasm to the mitochondria
- C) To form a proton channel in the inner mitochondrial membrane
- D) To synthesize glucose in the liver
64 Which of the following is an uncoupler of oxidative phosphorylation?
- A) Dinitrocresol
- B) Oligomycin
- C) Rotenone
- D) Cyanide
65 What is the role of cytochrome c reductase in the ETC?
- A) To transfer electrons from NADH to CoQ
- B) To transfer electrons from CoQ to cytochrome c
- C) To transfer electrons from cytochrome c to oxygen
- D) To generate ATP
66 Which complex in the ETC is known as succinyl-CoQ reductase?
- A) Complex I
- B) Complex II
- C) Complex III
- D) Complex IV
67 What is the primary function of the electron transport chain?
- A) To synthesize glucose
- B) To generate ATP
- C) To transport electrons and pump protons
- D) To produce NADH
68 Which of the following compounds is known to block Complex IV in the ETC?
- A) Oligomycin
- B) Cyanide
- C) Malonate
- D) Rotenone
69 How many ATP can be generated from one molecule of NADH in the ETC?
- A) 1 ATP
- B) 2 ATP
- C) 3 ATP
- D) 4 ATP
70 What is the major consumer of O2 in mammalian cells?
- A) Electron transport chain (ETC)
- B) Citric acid cycle
- C) Glycolysis
- D) Fatty acid synthesis