Corpus callosum is found in the brain of

Assertion: Cerebellum has additional space for many more neurons.
Reason: Cerebellum has a very convoluted surface.

Cranial nerve $i$ is also called pneumogastric, $ii$ is also called vestibulocochlear, and $iii$ is also called Dentist's Nerve. Identify the correct names for $i$, $ii$, and $iii$.

The tree-like structure seen in the cerebellum is a part of what?

Write a short note on the Forebrain.

Answer the following:
$(a)$ Which part of the ear determines the pitch of a sound?
$(b)$ Which part of the human brain is the most developed?
$(c)$ Which part of our central neural system acts as a master clock?