The artificial sweetener that has the highest sweetness value in comparison to cane sugar is

Ranitidine belongs to which of the following class of drugs?

Which of the following statements is not true?

Which one is an example of bacteriocidal antibiotics?

Which of the following drugs is an example of both an antipyretic and an analgesic?

Which of the following statements are correct?
$(i)$ Drugs that mimic natural messenger by switching on the receptor are called agonists.
$(ii)$ Shape of the receptor does not change after attachment of chemical messenger.
$(iii)$ $A$ cationic detergent is formed when stearic acid reacts with polyethylene glycol.
$(iv)$ Seldane is an antihistamine.