Which of the following is an antifertility drug?

The correct statement about $(A), (B), (C)$ and $(D)$ is:

Which of the following detergents is used as a germicide?

Among the following,the narrow spectrum antibiotic is

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:

Blurring of vision is a side effect caused by the use of