Seven.
none
3
None.
One
None
The University of Oklahoma has won 7 undisputed NCAA Football Championships.
2
Zero
Oklahoma State has 48 (the 4th most of any school) University of Oklahoma has 18 plus 7 football national championships that are not awarded by the NCAA
3 NCAA Div I-AA National Championships - Back to Back to Back - 2005-2006-2007
6, 1951, 1952, 1955, 1957, 1965 and 1966
Zero would be the correct answer.