1. B.Sc Zoology graduates are having jobs in various fields. zoos, botanical gardens, conservation organizations, national parks, nature reserves, laboratories, aquariums, veterinary clinics, aquaculture, museums, research, Pharmaceutical Companies and other similar organisations will employ for specialised jobs related to this topic. However, if you want to have a good career you should not stop with graduation. You should do your post graduation also.
2. Like any other graduate, you can go for B.Ed after completing your graduation and you can join as a teacher in any government or private school. If you do M.Sc instead of B.Ed you can become a lecturer in a private college and if you clear NET examination you can become a lecturer in a government college also
3. You can appear for bank examinations after your B.SC and if you clear the entrance test and interview you will get a post either as an officer or as a clerk.
4. You can appear for IAS examination or other state government posts and you can join in those services also.
There are many chances but all depends on how best you do hard work and how you perform in the examinations.