hi,

after completing b.sc in zoology you may work in schools as a faculty member for biology related stream, you may apply for bpo sectors or mncs as office  assistant, project management post. also for b.sc graduates students has work opportunity in bank, ssc cgl, railways etc.

I suggest you to apply in linkedin, times job, indeed dot com website where you may upload your resume and get suitable  job alert.

hope you understand.