In which phase of meiosis does the chromosome number become halved?

Match the stages of meiosis in Column $I$ to their characteristic features in Column $II$ and select the correct option using the codes given below.

Column $I$	Column $II$
$A$. Diakinesis	$1$. Crossing over takes place
$B$. Pachytene	$2$. Terminalisation of chiasmata
$C$. Zygotene	$3$. Chromosomes align at equatorial plate
$D$. Metaphase	$4$. Pairing of homologous chromosomes

Codes:
$A \quad B \quad C \quad D$

By what other name is $Meiosis-I$ known?

Homologous pairing in prophase $I$ of meiosis $I$ is called

Which of the following statements is incorrect?

The term '$meiosis$' was given by