What are broad spectrum and narrow spectrum antibiotics?Give one example for each .

Explanation

The range of bacteria (or) other micro organisms that are by a certain antibiotic is expressed as its spectrum of action.
Broad spectrum antibiotics:Antibiotics which kill (or) inhibit a wide range of gram-positive and gram-negative bacteria are called broad spectrum antibiotics.
Narrow spectrum antibiotics:Antibiotics which are effective mainly against gram-positive (or)gram-negative bacteria are called narrow spectrum antibiotics.
E.g.:Panicillin-G is a narrow spectrum antibiotic.
Limited soectrum antibiotics:Antibiotics which are effective mainly against a single organism (or) disease are called as limited spectrum antibiotics.