Hello Aspirant,
Yes, you may study either bioscience or mathematics at graduation level based on the eligibility requirements of the university or college that you are applying to. Since you have studied PCMB (Physics, Chemistry, Mathematics, Biology) and also Physical Education, you are eligible to pursue both streams of study. However, as Chemistry is marked as an extra subject, some institutions may not consider it one of the three core subjects required to gain entry into a B.Sc. (Bio-Science) program in certain specializations.
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