Name a clinical trial in which blood is transfused from recovered COVID-19 patient to a coronavirus patient who is in critical condition.

To diagnose the medical conditions, MRI technique is used. Which is not used in MRI?

Which of the following is mRNA vaccine used against Covid-19 infection?

The drug obtained from the bark of cinchona was used for treating malaria. The synthetic drug which replaced the natural product is :

Which compound is used in contraceptive pills?

Who among the following scientists introduced the concept of immunization to the medical world?