Make derivatives of the given words

1. My father is in charge of product
   [ ].
2. She has become the
   [ ] of the new information centre.
3. A
   [ ] is a person who studies plants and animals.
4. She is keen on
   [ ] novels.
5. The new state
   [ ] has promised to deal with the (employ) {unemployment} issues.
6. This
   [ ] is the best for the book cover.