In humans,the pelvic girdle consists of ...... coxal bones.

Which one of the following is a sesamoid bone?

Match the following:

Column $I$	Column $II$
$(a)$ Tarsal	$(i) \; 14$
$(b)$ Phalanges	$(ii) \; 1$
$(c)$ Metatarsal	$(iii) \; 7$
$(d)$ Femur	$(iv) \; 5$

Innominate is a

Match the following columns:

Column-$I$ (Bone region)	Column-$II$ (Number of bones)
$P$. Thigh	$I$. $7$
$Q$. Shank	$II$. $14$
$R$. Knee cap	$III$. $1$ (Long bone)
$S$. Ankle	$IV$. $2$
$T$. Metatarsals	$V$. $1$ (Cup-shaped)
$U$. Phalanges	$VI$. $5$

Three of the following pairs of human skeletal parts are correctly matched with their respective inclusive skeletal category,and one pair is not matched. Identify the non-matching pair.