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: Base pairing in DNA follows
A) A–A and G–G
B) A–C and G–T
C) A–T and G–C
D) T–T and C–C
Q: The enzyme lipase acts on
A) Protein
B) Lipid
C) DNA
D) Starch
Q: RNA synthesis is catalyzed by
A) RNA polymerase
B) Protease
C) Helicase
D) DNA ligase
Q: Vitamins required in trace amounts function as
A) Coenzymes
B) Antibodies
C) Hormones
D) Enzymes
Q: Hydrogen bonding is important in
A) DNA base pairing
B) Primary structure
C) Ionic bonding
D) Peptide bond formation