Biochemistry MCQs
Biochemistry MCQs play a vital role in preparing students for understanding life at the molecular level. These MCQs include topics such as carbohydrate metabolism, lipid and protein structures, enzymes, vitamins, DNA/RNA, and clinical applications. These quizzes are essential for students appearing in MDCAT, USMLE, FCPS, and other competitive exams. Regular practice enhances understanding of how biochemical processes affect human health and disease.
Q: Hemoglobin binds with
A) Glucose
B) Iron
C) Calcium
D) Oxygen
Q: An enzyme becomes inactive at
A) Extreme pH
B) Normal pressure
C) Low temperature
D) Optimum pH
Q: Enzymes are mostly composed of
A) Carbohydrates
B) Lipids
C) Proteins
D) Nucleic acids
Q: Coenzymes are often derived from
A) Vitamins
B) Lipids
C) Proteins
D) Sugars
Q: Catalase breaks down
A) Urea
B) Glucose
C) Hydrogen peroxide
D) Starch
Q: A zwitterion has
A) Positive charge only
B) No charge
C) Negative charge only
D) Both charges
Q: DNA replication is
A) Dispersive
B) Non-selective
C) Semi-conservative
D) Conservative
Q: Pepsin is active in the
A) Liver
B) Stomach
C) Intestine
D) Mouth
Q: Chylomicrons transport
A) Proteins
B) Nucleic acids
C) Lipids
D) Carbohydrates
Q: Liver stores excess glucose as
A) Lactose
B) ATP
C) Fructose
D) Glycogen