Question

the use of drugs to control infection and diseases caused by many types of microorganisms is called
chemotherapy.

Explanation:

The question is about the term for using drugs to control infections and diseases from microorganisms. In Natural Science (subfield: Medicine and Health or Biology), the term "chemotherapy" here (in the context of antimicrobial use, though often associated with cancer, antimicrobial chemotherapy is also a term) or more accurately, antimicrobial chemotherapy. But the given option at the bottom is "chemotherapy", and the definition matches the use of drugs (chemicals) to combat microbial - caused infections/diseases. So the answer is chemotherapy.

Answer:

chemotherapy