WAEC - Government (2010 - No. 24)
The most important function of the Upper House in a federation is to
serve as the highest court of the land
ensure equal representation of the component units
provide a place for retired politicians in the legislature
invite politicians for questioning
توضیح
The upper house also known as house of senate, is supposed to guarantee equal representation of the 36 states irrespective of size in the Senate and proportional representation of population in the House.