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
As question indicating that Double stranded DNA contains 50% GC content. it must be contains 50% AT content in which 25% is A and 25% is T. So the option A is correct indicating that A=T.
It's simple the A content of double stranded DNA is is always equal to T. while G=C