How many triplets are present in the structure of a centriole,and what is the angle between them?

Which of the following is the odd one out?

The given structure functions like an oar.

The basal bodies at the base of flagella and cilia are

Which of the following organisms contains cilia?

$A$: The axoneme of a eukaryotic flagellum possesses a number of microtubules running parallel to the long axis.
$R$: It has a pair of peripheral doublet and a pair of centrally located microtubules.