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Diagnostic · 1 h 5 min · 24 questions · 2 sections
A shortened diagnostic, about a third of the full exam, covering all eight units and every science practice with Bluebook-style multiple-choice questions (including a stimulus-based set) and free-response questions, giving a first estimated 1–5 score and a list of weak units and skills.
Your answers save as you go, and your results, with every answer explained, stay in your account.
New here? Create a free account. The diagnostic is always free.
0 of 5 ready
Section I: Multiple choice
22 questions · 32 min · ≈ 87 s a question
Section II: Free response
2 questions · 33 min · ≈ 16 min 30 s a question
A shortened diagnostic, about a third of the full exam, covering all eight units and every science practice with Bluebook-style multiple-choice questions (including a stimulus-based set) and free-response questions, giving a first estimated 1–5 score and a list of weak units and skills.
This practice test is shorter than the real Biology exam but uses its question styles: 2 sections, 65 minutes in total. Work under timed conditions and answer every question.
Your score arrives with section scores, a breakdown by topic, your time on every question and each answer explained. Questions you miss join your review queue, and written and spoken answers get an examiner’s report.