3–4 hours, multiple-choice & open-ended problems. Covers cell biology, molecular biology, genetics, evolution, ecology, physiology, ethology, and biosystematics.
“Gold medals are not won by knowing more facts, but by reasoning better under time pressure – and past papers are your reasoning gym.” ibo past paper
IB past papers are essential study materials for IB students. Here are some reasons why: 3–4 hours, multiple-choice & open-ended problems