All cranial nerves are parasympathetic in nature $EXCEPT$:

Match the spinal nerves in Column $1$ with their respective pairs in Column $2$ and select the correct option.

Column $1$	Column $2$
$(a)$ Cervical nerves	$(i)$ $5$ pairs
$(b)$ Thoracic nerves	$(ii)$ $1$ pair
$(c)$ Sacral nerves	$(iii)$ $12$ pairs
$(d)$ Coccygeal nerves	$(iv)$ $8$ pairs

Which of the following statements are correct about the cortex of the cerebrum? Choose the correct codes given below:
$(I)$. It consists of grey matter.
$(II)$. It shows prominent folds.
$(III)$. It consists of white matter.
$(IV)$. It contains motor areas,sensory areas,and association areas.

Number of spinal nerves in rabbit is (in $pairs$)

The cavity in the region of $Diencephalon$ in the brain of a rabbit is called:

The brain stem is made up of