Biochemistry MCQs
Biochemistry MCQs cover enzymes, metabolism, vitamins, nucleic acids, and clinical correlations. Perfect for MDCAT, USMLE, FCPS, and competitive exams, these quizzes strengthen molecular biology concepts and link biochemical processes to 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