In most cases "Yes." It depends on the size of the reptile and the size of the pellet. (Pellets come in different sizes.)
Yes:
Yes.......
Both can kill you.
yes
Yes but it may be unlawful.
no it is extremely unlikely that is possible
Rodents and small birds
Yes. But I suggest using hunting pellets.
Yes it is possible.
Rodents and small game.
Yes, small game and rodents.
Definitely Yes it can.