In the question paper, 44% questions will be on Biology of 10+2+3 level, 20% questions will be on Chemistry of 10+2+3 level, 18% questions will be on Physics of 10+2 level, and rest 18% questions will be on Mathematics of 10+2 level. You can thus study for Physics and Mathematics largely from classes 11 and 12 books for the same. However, for Biology and Chemistry you will need to refer higher level books. Book list for IIT JAM Biotechnology preparation is in accordance with exam pattern requirements.
IIT-JAM: M.Sc. (Biotechnology) Previous Papers (Solved) - R Gupta
Solved Papers & Practice Sets IIT JAM (Joint Admission Test for M. Sc. From IITs) – Biotechnology - Arihant Publications
Genetics (Benjamin/Cummings Series in the Life Sciences) - Peter J. Russell
Microbiology- Michael Pelczar Jr
Developmental Biology- Scott F. Gilbert, Susan R. Singer