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)
Anshum Sharma
Option A is correct . since these are fermions so their combined state should be antisymmetric with respect to interchange the state of nucleons. and also the state of nucleons should be anti- isospin so the option a fullfill these requirements.