Hello Student. I hope you are doing great.

Both commerce and biology are different fields.Both the course have different  structure,pattern and study. So,there are no job opportunities which includes both the fields.Except for being an accountant at your health care centres etc

Career opportunities for biology - Nurse,doctor,food technologist,therapist,genetic counselor etc. Opportunities with commerce - CA,Accountant,Income tax inspector,Audit officer and many more.