UnScramble this Word: n r m s u o e o?

Questions

in cricket, an over bowled with no runs scored is called a ____ over?

the nba record of 100 points by a single person in a game was scored by?

most goals scored (13) in the 1958 cup was by?

who won a consecutive 122 races at 400m hurdles between 1977 ?

the largest land lizards known are?