The medulla oblongata encloses the

Given below are two statements.
Statement $I$: Limbic system is formed of hypothalamus,amygdala,hippocampus and thalamus etc.
Statement $II$: Limbic system is responsible for emotional reactions and memory.
In light of above statements,select the correct answer from the option given below.

Which part of the brain converts short-term memory into long-term memory?

The parasympathetic nervous system increases the activity of which of the following?

The white matter of the central nervous system is primarily characterized by:

Two systems which exert opposite influence on the same organs or set of organs are: