ANSWER 1:
hit option command T
OR hit the tiny blue & green button lower left of timeline.
this will open a small view under each track.
a blue line indicates a motion effect is applied,
a green bar indicates a filter is applied.
you cant see what type of folter or how many.
ANSWER 2:
open your first clip into the viewer, go to the filters tab
hit the down arrow to move from clip to clip while staying in the filters tab.
you;d have to do this track by track.
nick