What is the figure given below showing in particular?

Which of the following drugs is taken orally by females?

Which of the following statements is not true w.r.t. tubectomy or tubal ligation?

$A$: Surgical methods block gamete transport and thereby prevent conception.
$R$: The surgical method used in the male for this purpose is called vasectomy.

Differentiate between the physical barrier method and the chemical barrier method of contraception.

Which of these is used to control human population?