Where is the posterior choroid plexus found?

The cavity of the diencephalon is known as:

Corpus callosum is seen in

Which part of the brain is responsible for controlling the sense of hearing?

What happens when the medulla oblongata is compressed?

Statement-$I$: Fibres of the tracts are covered with the myelin sheath,which constitute the outer part of the cerebral hemisphere.
Statement-$II$: The hypothalamus contains a number of centres which control body temperature,urge for eating and drinking. In the light of the above statements,choose the most appropriate answer from the options given below: