How many peripheral microtubule triplets are arranged in a centriole?

Which one of the following forms the spindle apparatus during cell division?

Which cell structure is shown in the given figure?

Which cell structure is shown in the given figure?

$Cilia$ and $Flagella$ are hair-like outgrowths of the cell membrane. $Cilia$ are small structures which work like oars,causing the movement of either the cell or the surrounding fluid.

The term $Basal \ body$ is associated with the development of which of the following?