Give the name of first antibiotic discovered.

What are antibiotics ? Name the first antibiotic discovered.

What are antibiotics? Give two examples. Name the first antibiotic discovered.

Name the first antibiotic to be discovered . Who discovered it?

Give two examples of antibiotics.

What are antibiotics? How was first antibiotics discovered?Name two antibiotics produced by Streptomyces spp.

Give the name of simples ketone?

Write down name of one antibiotic.

Define antibiotics.