Question:medium

The first antibiotic was discovered accidentally by A while working on B. ‘A’ and ‘B’ are:

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The discovery of penicillin marked the beginning of the antibiotic era, revolutionizing medicine.
Updated On: Jan 13, 2026
  • A – Waksman; B – Streptococcus 
     

  • A – Fleming; B – Penicillium notatum
     

  • A – Waksman; B – Bacillus brevis 
     

  • A – Fleming; B – Staphylococci
     

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The Correct Option is D

Solution and Explanation

Step 1: Initial Antibiotic Discovery.
In 1928, Alexander Fleming identified the first antibiotic, penicillin.

Step 2: Research Observation.
He noted that the mold Penicillium notatum prevented Staphylococci bacteria from multiplying.

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