Oleh to the Torah opens it, finds the place where he will read, closes it, blesses, opens it and reads.

1.   ?    True.
2.   ?    He does not close it in the middle.
3.   ?    Blesses only at the end.
4.   ?    Machlokes A&B.
5.   ?    Machlokes A&C.

Golel takes the reward of all of those who had Aliyos.

1.   ?    True.
2.   ?    Half.
3.   ?    He gets as much reward as them.
4.   ?    Only if they made fun of him.
5.   ?    Machlokes B and C.

*****הדרן עלך בני העיר וסליקא לה מסכת מגילה****

1.   ?    !!!!TRUE!!!!