Question

3. The first discovered antibiotic was
1. Streptomycin
2. Tetracycline
3. Penicillin
4. Neomycin​

Answer 1

Answer:

Penicillin was the first discovered antibiotics

Explanation:

Discovered by Alexander Fleming

Answer 2

PENINCILLIN

Explanation:

These are the antibiotic used for the bacterial infections

• penicillin is effective against...

1. H.influenzea
2. E.coli
3. Salmonella..etc