The league leaders were chasing their eighth win in a row but Alloa came closest in the first half, with a Kevin Cawley shot deflected narrowly wide and a Ben Gordon header against the crossbar after half an hour.
Alloa kept Queen of the South from scoring at Palmerston Park for the first time in the league this season but had to settle for a 0-0 draw.
The league leaders were chasing their eighth win in a row but Alloa came closest in the first half, with a Kevin Cawley shot deflected narrowly wide and a Ben Gordon header against the crossbar after half an hour.
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