General Aptitude/Vocabulary Questions?

Question

These are the questions:
1) Picture is to Gallery as Artifact is to __________
2) Flight is to Planes as Flotilla is to ____________
3) Stevedore is to Wharf as Warden is to ________
4) A hamster is a small animal that resembles the g__________

Please set the answer out CLEARLY like:

1.________2.________ and so on..

Explain it too!

Answer 1

1/ Museum - pictures are displayed in a gallery, artifacts (historical objects) are displayed in a museum.
2/ Boats/ships. - flights relates to planes and flotilla relates to boats/ships.
3/ Jail - stevedores work on wharves and wardens work in jails.
4/ Gerbil. Both are small rodents, kept as pets.