What is a pure spectrum ?

What is pure spectrum?

What is an impure spectrum ?

What is a broad spectrum antibiotic? Name a broad spectrum antibiotic and source organism.

What is a broad spectrum antibiotics? Give an example.

Which of the following is NOT essential for the formation of pure spectrum ?

What is a broad-spectrum antibiotic? Is penicillin a broad spectrum or a narrow spectrum antibiotic?

What is a spectrum ? Why do we get a spectrum of seven when while light is dispersed by a prism ? OR Explain how a spectrum is formed.

What is a limited spectrum antibiotic?