Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Anup Padwal
No all are not mandatory. Carbohydrate: structure and fuction of mono, olligo and polysacharides. protein: primary, secondary, tertiary and quaternary protein structure in detail. lipid and carbohydrate metabolism to produce energy is very important. your also have to know how non essential amino acids are synthesised.