Hello aspirant,

Yes you will be eligible to give gat-btest if you are a Bsc Life Student. The eligibility criteria for the gat-btest states that :

To be eligible for admission to M.Sc programmes, candidates must have completed their graduation in 10+2+3 pattern in the respective field with a minimum of 60% (General, EWS & OBC category) or 55% (SC,ST & PwD) aggregate from a recognized university.

Further, to know more further and additional information about the eligibility criteria for gat-btest ,you can follow the link mentioned below to know more information about it : https://www.google.com/amp/s/university.careers360.com/exams/gat-b/amp

I hope that this will help.