Ministers raise a constituency matter
Not much time on the agenda
Small majority- may be able to force government to take U turn.
2009- Lib- Dem defeat Conservatives- rare defeat.
MPs can raise a particular issue.
Business backbench committee- MPs have greater chance to influence policy.
Many poorly attended.
Created in 1979
Have more knowledge than relevant ministers.
Can scrutinise witnesses
Some witnesses reluctant to give evidence