The upper house of a state legislature is usually called

the assembly.
the house of representatives.
the senate.
the house of delegates.

#1) The upper house of a state legislature is usually called
The answer is c. senate. An upper house, sometimes called a Senate, is one of two chambers of a bicameral legislature (or one of three chambers of a tricameral legislature), the other chamber being the lower house. The house formally designated as the upper house is usually smaller, and often has more restricted power, than the lower house.