You can go for teaching profession, but for that you have to qualify certain tests like TET and also you will need a B.Ed; can opt for the job of a professor at any reputed college, but here again you have to qualify tests like NET & SET. You may also work as a freelance consultant for research and development organisations. You can also opt for higher studies like M.Sc or M.Phil in zoology or M.Sc in Forensic Sciences.