In which phase of cell division do the nuclei formed at both polar regions appear?

In which phase does the centromere split and the chromatids move towards opposite poles?

Which one of the following precedes the reformation of the nuclear envelope during the $M-$phase of the cell cycle?

In which stage of cell division do the chromosomes align at the equator?

The chromosomes align at the equator during

Choose the correct combination of options to select the correct statement for prophase:
$I.$ Chromosomal material condenses to form compact mitotic chromosomes.
$II.$ The assembly of mitotic spindle is initiated by the microtubules.
$III.$ Cells do not show organelles when viewed under the prophase.
$IV.$ The nucleolus or nucleoli degenerate completely.