For related exercises use the search function in the archive and find SCALES 5, followed by 25, 27, 28, 30.
The key is Bm Blues = B D E F F# A, part of Bm (Natural Minor or Aeolian) = B C# D E F# G A.
The lower inversion which the single string scales take you to is E F F# A B D E, the equivalent mode in Bm is E Dorian.
