Biology is all about the living things and mechanisms of their interaction in their respective societies and environments. The students who want to become professional doctors in the future choose this subject. BIEK conducts yearly assessments in which numerous explanatory questions are asked. To get an idea of the questions, you can check out biology past papers of first year for Karachi board. Click below to download PDFs of biology past papers of 1st year for BIEK Karachi. You may also explore the huge library of first year past papers for all subjects.