Which of the following is a membrane-less organelle found only in animal cells?

$S$ - Statement: Basal bodies are associated with the formation of cilia and flagella.
$R$ - Reason: Nucleoli contain the nucleus and chromatin material.

$A$: Centriole does not form any compartment in a cell.
$R$: Centriole is a non-membranous cell organelle.

Statement $X$ : Basal bodies are involved in the formation of cilia and flagella.
Statement $Y$ : Nucleoli contain the nucleus and chromatin material.

Which is correct for centriole function in animal cell?
$(I)$ Formation of bipolar spindle
$(II)$ Formation of lysosome
$(III)$ Formation of mesosome
$(IV)$ Formation of ribosome

During cell division,where are the spindle fibers formed from?