crack the test. Even if you are talented enough, but didn't prepare well according to the test, you may miss the golden chance. So, the first and foremost thing is about knowing the test and the paper pattern. Since it's entirely an Objective type exam, you should be well rehearsed with speed and accuracy at the same time.
Science will be surely good for all the cream students, but the selections among them are differentiated on the basis of this Indo-Islamic Culture which is uneven among the students. So, just go for it with same seriousness as the core subjects.
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Expert Advise, the AMU Entrance Tips
5 Expert Tips to study for Entrance Exam | Crack AMU Entrance
Also See, Which book you should study:
Best Books for AMU Entrance Test Preparation