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Free MDCAT Biology MCQs with answer keys & explanations — Cell Biology, Genetics, Evolution, Ecology, Bioenergetics. Solved past papers 2008–2025.
Premeth indexes thousands of MDCAT Biology MCQs tagged to the official PMDC 2026 syllabus chapters. Drill by chapter, by past-paper year, or by difficulty.
Yes. Every MCQ is tagged to its source past paper (2008–2025) and the relevant chapter. No invented questions, no third-party guess banks.
High-yield Biology topics are surfaced on Premeth's chapter pages with their estimated MCQ count on the real paper. Start with the top 3 weighted chapters.
Sign-in is optional. With sign-in, Premeth surfaces an error log of every MCQ you got wrong, sorted by chapter — the highest-leverage feature for repeaters.