1. The science which studies natural processes of living things -Biology

2. People working together in the same office or department- Colleagues

3.The state of remaining unmarried -Celibacy

4.The action of bringing into completion- Consummation

5.To give one’s authority to another- Delegate

6.Study of the relation of living things to environment- Ecology

7.The action of looking within or into one’s own mind- Introspection

8.One incapable of being tired -Indefatigable

9.A letter, poem, etc. whose author is unknown –Anonymous

10. Work for which no salary is paid -Honorary