The first scale everyone encounters when learning music is the major scale (pictured above), which follows the interval ...
Only the order of tones and semitones is different ... but only when ascending. In western music, modal music dates from before the use of scales and keys. Modes are similar to tonal scales.
I would recommend pulling the strings down for these bends. This example uses first-finger semitone and tone bends using shape #4 of the G minor pentatonic scale. This may be challenging at first ...