Students of BIEK Karachi Board Grade 12 Biology (botany-zoology) often have difficulty learning all the difficult names of plants and animals and their characteristics. So one way to study difficult topics of this subject without wasting your time is to practice all the past papers of BIEK Karachi Board Grade 12 Biology (botany-zoology). Here at tutoria.pk we have the complete range of solved past papers which you can revise before exams.