Most important function of $CSF$ is

What is the function of the association areas present in the cerebral cortex?

The branched tree-like structure present in the cerebellum is known as:

The terminal part of the spinal cord is called .....

Given below are two statements:
Statement $I$: Limbic system is responsible for motivational drives and memory.
Statement $II$: Reticular activating system of diencephalon transmits all sensory impulse to the cerebrum.
In light of the above statements,select the correct answer from the options given below.

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