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

Which metal compound is used for treatment of carcinoma?

An antibiotic is not useful against a virus whereas a vaccine is. Which one of the following is the most appropriate reason for this ?

Which one of the following is an antibiotic drug?

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

Which one of the following is a Sulfa Drug?