Which of the following is a pair of bacterial diseases ?

Correct option is A

The correct answer is cholera, typhoid.
• Microorganisms are harmful in many ways. Some microorganisms cause diseases in human beings, plants, and animals. Such disease-causing microorganisms are called pathogens.
• On the basis of these pathogens, diseases can be categorized as – Viral diseases, Bacterial diseases, Nematode diseases, etc. Some of the viral diseases include – Measles, Chickenpox, Polio, Common cold, AIDS, etc.