Which of the following diseases is not caused by bacteria?

Which of the following types of drugs reduce body temperature?

Which of the following is an explosive?

Given below are two statements,one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Butylated hydroxy anisole when added to butter increases its shelf life.
Reason $R$: Butylated hydroxy anisole is more reactive towards oxygen than food.
In the light of the above statements,choose the most appropriate answer from the options given below:

Opiates have the following general structure. The correct representation of $R^1$ and $R^2$ for codeine $(X)$ and heroin $(Y)$ is

Which of the following drugs is an analgesic?