Meiosis occurs in which of the following cells?

Identify the correct sequence of events during Prophase $I$ of meiosis :
$(a)$ Synapsis of homologous chromosomes
$(b)$ Chromosomes become gradually visible under microscope
$(c)$ Crossing over between non-sister chromatids of homologous chromosomes
$(d)$ Terminalisation of chiasmata
$(e)$ Dissolution of synaptonemal complex
Choose the correct answer from the options given below :

Four chromatids and two centromeres which are homologous occur in

Choose the correct pair.

The stage during which separation of the paired homologous chromosomes begins is

Bivalent chromosomes align themselves at the equator during