Assertion : A widely used diagnostic test for AIDS is enzyme linked immuno-sorbent assay (ELISA). Reason : It is used to detect the presence of an antibody or an antigen in a sample.

Assertion is true but reason is false. Both assertion and reason are true and reason is the correct explanation of assertion. Both assertion and reason are true and reason is not the correct explanation of assertion. Assertion is false but reason is true.

Both assertion and reason are true and reason is the correct explanation of assertion.

A widely used diagnostic test for AIDS is enzyme linked immuno-sorbent assay (ELISA). It is used to detect the presence of an antibody or an antigen in a sample.Treatment of AIDS with anti-retroviral drugs is only partially effective. They can only prolong the life of the patient but cannot prevent death, which is inevitable.