Hi

Hope you are doing good.

CSIR UGC NET Eligibility 2021 is conducted by the NTA (National Testing Agency).Candidates who need to apply for CSIR UGC NET 2021 must possess M.Sc. or equivalent degree/Integrated BS-MS/BS-4 years/BE/B Tech/B. Pharma /MBBS with at least 55% marks to be eligible to apply for the exam

But for life sciences you need to pursue academic qualification in life science only.

https://www.google.com/amp/s/competition.careers360.com/articles/csir-ugc-net-eligibility-criteria/amp