Misc: [from the album title name the artist] Aquarium?

Questions

Language : Name the soda that is often confused with a drug.?

Language : Subject, verb and object are parts of a _________.?

Language : This animal is found at the beginning of an (English) encyclopedia?

Language : What is the only English word formed by the first three letters of the alphabet?

Language : What three letter word means the same as "to ingest"?