No it isn't you have to buy is seperately from the pc version of the game, but on the x-box edition you dont have to log in, but your x-box internet acces thingy is used
Yes, very normal.
You have to get a mod for that as you cannot do it in a normal game of minecraft.
of course because it is called "target edition"
Normal edition is $109 & and the Collectors Edition is $135
There is no special 'swamp water' in vanilla Minecraft. All of the water there is the same as the normal water in the rest of Minecraft.
A dungeon in Minecraft can spawn on any level that normal land can spawn on
There are no helmets made specifically for Mining, but normal Helmets do exist in Minecraft.
Easter eggs do not exist in normal Minecraft, only as part of a mod
There are no motorcycles in vanilla (normal) Minecraft The only vehicles are minecarts and boats
Look up the default controls on the minecraft wiki page, go to the control settings in minecraft, and change them.
There is no way to get married in normal vanilla Minecraft. However, there may be some server plugins that allow you to do this.