Q. An antibiotic is

  • (A) a substance produced by blood cells against bacteria
  • (B) a substance produced by blood cells against infection.
  • (C) a chemical synthesised by a micro-organism against another microorganisms
  • (D) a chemical synthesized by a human cell against a microorganism
✅ Correct Answer: (C) a chemical synthesised by a micro-organism against another microorganisms

Published by Ram Sharma ⭐ 193.88K Points at 22-Apr-2022 10:28 pm in Chemistry

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