Class 12 Biology Microbes in Human Welfare General Introduction

Medium

Penicillin is the first antibiotic. It was discovered by

A
Alexander Fleming: $1928$
B
Alexander Fleming: $1930$
C
$S$. Waksman: $1928$
D
$S$. Waksman: $1930$

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Class 12 Questions

Class 12

Biology Questions

Chapter

Microbes in Human Welfare

Subtopic

General Introduction

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