CBSE · Class 8 · Science · Microorganisms: Friend and FoeThe first antibiotic discovered by Alexander Fleming was:
Step-by-Step Solution
Penicillin was the first antibiotic discovered by Alexander Fleming in 1928 from the fungus Penicillium notatum.
Detailed Options Breakdown
Option : Streptomycin
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Microorganisms: Friend and Foe.
Option 1: Tetracycline
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Microorganisms: Friend and Foe.
Option 2: Erythromycin
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Microorganisms: Friend and Foe.
Option 3: Penicillin (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
💡 Study Guide: This question tests core syllabus concepts from Microorganisms: Friend and Foe. For formulas, key summaries, and mock exam reference guides, read the full Microorganisms: Friend and Foe Revision Notes.