One word substitution:

1. A number of ships - Fleet
2. A test in which cells from diseased organs are removed and tested - Biopsy
3. A foreigner who settles in a country - Immigrant
4. Place that provides refuge - Asylum
5. Art of writing for newspapers and magazines - Journalism
6. Parts of a country behind the coast of a river bank - Hinterland
7. One who does not make mistakes - Infallible
8. A professional rider in horse races - Jockey
9. Words uttered impiously about God - Blasphemy
10. A person who is bad in spelling - Cacographist