1) No. Templates follow all the normal rules for wound allocation.
2) Yes, as stated in the rules for Blasts:
Note that it is possible, and absolutely fine, for a shot to scatter beyond the weapon’s maximum or minimum range and line of sight. This represents the chance of ricochets, the missile blasting through cover and other random events. In these cases, hits are worked out as normal and can hit and wound units out of range and line of sight