There are some general courses in biology field as:-

•Microbiology - It is the scientific study of all living organisms such as Micro-organisms, bacteria,etc. The average salary of person between 2.4 lakhs to 3.5 lakhs per annum in India.

•Biotechnology - It is field of biology which involves the develop the technology and products for improvements of life. The average salary of person between 2 lakhs to 4 lakhs per annum in India.

•Nursing - It is course based on health care. It involves maintain or recover the life. The average salary of person between 3,00,000 and 7,00,000 per annum in India.

I hope this helpful for you.

Best wishes.