The ankle bones consist of $6$ tarsals arranged in three rows. What does the $1^{st}$ row contain?

The sigmoid notch is present in

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.

Choose the correct option $:-$
$(a)$ First seven pairs of ribs are called true ribs.
$(b)$ Sternum is a large triangular bone that is situated at the ventral part of the thorax.
$(c)$ Scapula has a slightly elevated ridge called the spine which projects as a flat,expanded process called the acromion.
$(d)$ Below the acromion is a depression called the glenoid cavity which articulates with the head of the humerus.

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	$VI$. $5$

Mark the odd one with respect to girdle bones.