Hello,
Thanks for Asking..!!

Don't worry, there are hundreds of options available in biology field.

Yes, when we think about biology, the first thing comes in our mind is "Medical". but its okie if you don't want to career in medical.

Agriculture -

You have agriculture field option also available. in which you should have knowledge of Indian economy Agriculture includes Dairying, Poultry Farming and Horticulture apart from production of Fruits, Vegetables and food grains.

Research -

Research is really good option for Biology students. Biological researchers include scientists and technicians.

To pursue career in this you have to prepare for CSIR NET or Gate Exam.

Lectureship/ Teaching -

You can work as Lecturer or Teacher in colleges & universities. This is really reputed job. for this, you have to prepare for csir net exam.

Forensic Science -

If you like investigating of a crime with the help of applying scientific principles, then forensic science is good option for you.

Bio Technology -

Biotechnology basically means Biology with latest technology.
Biotechnology helps for treatments for various diseases. it is used in many fields like Environmental, Agricultural, Pharmaceutical, Energy and Chemical.

Food Technology -

Food technology is in demand. As the packaged food and its long preservation need is increasing. In food Technology, you have to understand the process to make foods, packaged and preservation of food, prodution of food. etc.

Geology -

Study of structure, processes including study of organisms inhabited on earth. (oceanography, hydro geology, geostatistics)

Microbiology -

You have to read about living organisms which may be a cell cluster, single cell or may be no cell at all & human illness.

Zoology -

It includes the study of all types of animals.

I hope it will help you to choose a better career option.

Best of Luck :)