request for previous years 'biotechnology q.papers

2
Hi,
I need anna university bioorganic chemistry,cell biology, microbiology previous year question papers. Please upload some or share some useful links...Please help me out...
Thank you
“Don't take rest after your first victory because if you fail in second, more lips are waiting to say that your first victory was just luck.”-Dr. A P J Abdul Kalam.
Subject Code plz..
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@ Srini BT2201, BT2202 ,BT2255 and BT2251-basic of industrial biotechnology .actually i am studying in an autonomous institution affiliated to anna university....so Only I have no access to q.papers of anna university...So help me out...
“Don't take rest after your first victory because if you fail in second, more lips are waiting to say that your first victory was just luck.”-Dr. A P J Abdul Kalam.

    request for previous years 'biotechnology q.papers