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Chemistry Medium FPSC Uploaded: 04 Sep 2026

Which biomolecule serves as the primary genetic material in most organisms?

  • A RNA
  • B DNA
  • C Protein
  • D Lipid
Correct Answer: Option B — DNA
Explanation:
Deoxyribonucleic acid (DNA) serves as the primary hereditary material in most organisms, storing genetic information in the sequence of its four nitrogenous bases: adenine, thymine, guanine, and cytosine.
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