Skip to content
  • Chemistry MCQs
  • Computer MCQs
  • English MCQs
  • General Knowledge MCQs
  • General Science MCQs
  • Islamiyat MCQs
  • Mathematics MCQs
  • Physics MCQs
TestMCQs.org
  • Home
  • Subjects
  • Dynamic Quiz
  • Jobs
  • Blog
  • About Us
  • Contact Us

Home > Biology > Biochemistry

Which of the following is a purine base found in DNA?

A. Thymine
B. Cytosine
C. Adenine
D. Uracil

Answer: Adenine


Additional Information: Adenine is a purine base found in DNA, pairing with thymine in double-stranded DNA.


Subjects: Biochemistry, Biology

Related MCQs

  • Which organelle is primarily involved in detoxifying drugs and alcohol in liver cells?
  • What is the role of the enzyme DNA polymerase in DNA replication?
  • What is the function of the smooth endoplasmic reticulum?
  • Which polysaccharide serves as an energy storage molecule in animals?
  • Which of the following is a feature of prokaryotic cells?
  • Which process produces the most ATP in cellular respiration?
  • What is the process of converting glucose into two molecules of pyruvate called?
  • Which of the following molecules carries genetic information?
  • Which of the following is a major function of carbohydrates in the body?
  • Which molecule is required as a reactant in the Calvin cycle?
  • Which enzyme breaks down hydrogen peroxide in the cell?
  • Which organelle is involved in photosynthesis?
  • Which of the following statements is true about enzymes?
  • Which of the following enzymes is involved in DNA proofreading during replication?
  • Which of the following is an example of a disaccharide?

MCQs Menu

  • Biology MCQs
  • Chemistry MCQs
  • Computer MCQs
  • English MCQs
  • General Knowledge MCQs
  • General Science MCQs
  • Geography MCQs
  • Islamiyat MCQs
  • Mathematics MCQs
  • Physics MCQs

Engineering MCQs

  • Civil MCQs
  • Electrical MCQs
  • Mechanical MCQs
  • Privacy Policy
  • Terms & Conditions
  • Disclaimer
  • Sitemap
© 2025 TestMCQs.org • Built with GeneratePress