In which way the study of biology has helped us to control infectious diseases?

In which way has the study of biology helped us to control infectious diseases?

What are general ways of preventing infectious diseases ?

Name an infectious disease which is fatal?

In which way have microbes played a major role fn controlling diseases caused by harmful bacteria?

"Maintenance of personal and public hygiene is necessary for prevention and control of many infectious diseases." Justify the statement giving suitable examples.

Which disease is generally fatal among non-infectious diseases?

How has the study of fossils helped in convincing scientists that organisms have come into existence through evolution?

These questions consist two statements each, printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses. If both Assertion and Reason are true and Reason is correct explanation of Assertion. If both Assertion and Reason are true but Reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:ELISA is widely used fo the detection of infectious diseases like AIDS. Reason:ELISA is very sensitive and selective test and needs very small amount of reagents.

What are Interferons ? How do they help in controlling the disease ?

How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests?