- A) 3
- B) 2
- C) 5
- D) 4
Biochemistry MCQ
Total MCQ: 92
Quiz Leaderboard
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Meenakshi
Score: 100%
Questions: 20
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Debabrata
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Questions: 20
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Meenakshi
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Questions: 20
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Meenakshi
Score: 95%
Questions: 20
5th
Meenakshi
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Questions: 20
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Sourav
Score: 90%
Questions: 20
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Nischal
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Questions: 10
8th
Priyanka
Score: 90%
Questions: 10
9th
Meenakshi
Score: 85%
Questions: 20
10th
Meenakshi
Score: 85%
Questions: 20
42 Which statement about the citric acid cycle is correct?
- A) Depends on NAD+, a product of glycolysis
- B) Requires molecular oxygen
- C) Produces most ATP
- D) Final product is substrate for first reaction
43 Which molecule is metabolized in a cell to produce energy for performing work?
- A) ADP
- B) Phosphate
- C) ATP
- D) Glucose
44 True or false? The potential energy in an ATP molecule is derived mainly from its three phosphate groups.
- A) TRUE
- B) FALSE
- C)
- D)
45 Which term describes the degree to which an element attracts electrons?
- A) Redation
- B) Electronegativity
- C) Polarity
- D) Oxidation.
46 Which process is not part of the cellular respiration pathway that produces large amounts of ATP in a cell?
- A) Electron transport chain
- B) Glycolysis
- C) Krebs cycle
- D) Fermentation
47 Which terms describe two atoms when they form a bond in which electrons are completely transferred?
- A) Proton and electron
- B) Ionic and covalent
- C) Polar and nonpolar
- D) Anion and cation
48 Which step of the cellular respiration pathway can take place in the absence of oxygen?
- A) Krebs cycle
- B) Fermentation
- C) Electron transport chain
- D) Glycolysis
49 Which of the following statements is true of the bonds in a water molecule?
- A) Oxygen acts as the electron acceptor and is oxidized.
- B) Oxygen holds electrons more tightly, net charge is zero
- C) Electron in each hydrogen transferred, net +1 charge
- D) Equal sharing of electrons, net charge zero
50 Into which molecule are all the carbon atoms in glucose ultimately incorporated during cellular respiration?
- A) Water
- B) ATP
- C) NADH
- D) Carbon dioxide