How did you become interested in this field? What experiences have contributed toward your preparation for further study? What are your future goals? What are your research interests?

This is a statement of purpose in chemical engineering with a research interest in biotechnology.
It should cover the topics including

1.How did you become interested in this field?

2.What experiences have contributed toward your preparation for further study?

3. What are your future goals?

4.What are your research interests?

5.How are you a “match” for the program to which you are applying?