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

The membranes enclosing the brain and spinal cord are known as

Association areas of the brain are

Parkinsonism is related to which part of the nervous system?

Given below are two statements $:$
Statement-$I$ : The cerebellar hemispheres are connected by a tract of nerve fibres known as the corpus callosum.
Statement-$II$ : The brain stem consists of the midbrain and all parts of the hindbrain.
In the light of the above statements,choose the most appropriate answer from the options given below.

What is the primary function of the cerebellum?