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: Element found in the structure of heme
A) Magnesium
B) Iron
C) Copper
D) Zinc
Q: Molecule acting as the main electron carrier in respiration
A) ATP
B) Glucose
C) NAD+
D) FADH2
Q: Lipid component contributing to membrane fluidity
A) Triglycerides
B) Cholesterol
C) Phospholipids
D) Glycolipids
Q: Level of protein structure formed by alpha helices and beta sheets
A) Secondary
B) Quaternary
C) Tertiary
D) Primary
Q: Function of ribosomal RNA
A) Catalysis of peptide bond formation
B) Gene regulation
C) Lipid synthesis
D) Energy storage
Q: Byproduct of anaerobic glycolysis in yeast
A) Citrate
B) Ethanol
C) Acetyl-CoA
D) Lactic acid
Q: Protein hormone regulating glucose metabolism
A) Glucagon
B) Thyroxine
C) Insulin
D) Cortisol
Q: Cofactor necessary for collagen synthesis
A) Vitamin C
B) Calcium
C) Iron
D) Zinc
Q: End product of purine degradation
A) Allantoin
B) Uric acid
C) Urea
D) Ammonia
Q: Type of RNA that brings amino acids during translation
A) tRNA
B) snRNA
C) mRNA
D) rRNA