Hello Aditi

There are various universities that give you admission for Msc in life science,You will need to give various exam depending where you want to go

If you are planning for Canada

You can give TOFEL,IELTS that are english proficiency test

If you are planning fot The USA

Gre is required

If trying for Germany

TOFEL,IELTS is required

So sort your preferences and then check the specific exam required

I hope this helped

Thanks