IGCSE Classified Solved Past Papers — Biology & Chemistry | Chem-Bio.info

50+ Solved IGCSE Past Papers — With Video Walkthroughs for Every Question

Biology & Chemistry  ·  Paper 2, Paper 4, Paper 6  ·  Updated for 2026–2028 Exams

IGCSE IAL notes and solved past papers preview

This is for you if…

You're sitting IGCSE Biology or Chemistry Paper 4 or Paper 6 in May/June 2026 or beyond
You've done past papers but don't know why you keep losing marks
Your teacher doesn't go through exam technique or mark-scheme language
You want complete, mark-scheme-matched written answers — not just final answers
You want video walkthroughs so you can see how to think through each question
You want to stop losing silly marks on questions you actually know
IGCSE Biology Solved Paper 4 — 2025–2026 edition

Solved IGCSE Biology Paper 4 — With Video Explanation

  • 💎 Top 100 most frequent exam questions
  • 💎 50+ expert-solved Biology papers
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IGCSE Biology Solved Paper 6 — alternative to practical

Solved IGCSE Biology Paper 6 — With Video Explanation

  • 💎 Complete alternative-to-practical paper solutions
  • 💎 Expert written answers matched to the mark scheme
  • 💎 Video walkthroughs for every question
  • 💎 Topic-classified for targeted revision
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IGCSE Biology Paper 2 solved past papers with video explanation

IGCSE Biology Paper 2

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IGCSE Biology Solved Past Papers

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IGCSE Chemistry Solved Paper 4 — 2025–2026 edition

Solved IGCSE Chemistry Paper 4 — With Video Explanation

  • 💎 50+ expert-solved Chemistry papers
  • 💎 50+ one-hour videos showing how to answer every question
  • 💎 More than 25 hours of intense revision content
  • 💎 Topic-based questions covering the entire syllabus
  • 💎 Dedicated classes to boost your Paper 2 score
View free sample →
IGCSE Chemistry Solved Paper 6 — alternative to practical

Solved IGCSE Chemistry Paper 6 — With Video Explanation

  • 💎 Complete alternative-to-practical Chemistry solutions
  • 💎 Expert written answers matched to the mark scheme
  • 💎 Video walkthroughs for every question
  • 💎 Topic-classified for targeted revision
View free sample →
IGCSE Chemistry Paper 2 solved past papers with video explanation

IGCSE Chemistry Paper 2

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IGCSE Chemistry Solved Past Papers

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IGCSE Biology & Chemistry 2025–2026 package bundle

Biology & Chemistry Bundle 🎁

Everything in Biology + Everything in Chemistry — at a 25% discount

50+ Solved Biology Papers
50+ Solved Chemistry Papers
100+ one-hour video walkthroughs
Top 100 Biology frequent questions
Topic-based revision questions for both subjects
Paper 2 booster classes for both subjects
2-year access licence

Biology & Chemistry Bundle

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Biology

Paper 4 — Structured Questions

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Biology

Paper 6 — Alternative to Practical

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Biology

Paper 2 — Multiple Choice

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Paper 4 — Structured Questions

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Paper 6 — Alternative to Practical

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Paper 2 — Multiple Choice

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★★★★★ 4.9 / 5 from 417 students

What do students say?

Real feedback from recent learners

  • HA
    Huda Al-Anezi IGCSE Biology • SA

    These solved past papers included all the latest exam series. The videos walked through every single question, and the answers covered every mark-scheme point. I used the revision questions the week before and scored a 9.

  • AA
    Abdulla Al-Ameri IGCSE Chemistry • AE

    ★★★★☆

    Clear step-by-step solutions that matched the mark scheme exactly. The explanation companion explains how to think, not just the final answer. I did the revision question sets before mocks and went from a 6 to a 9 in the final.

  • ME
    Mina El-Masry IGCSE Biology • EG

    ★★★★★

    Every paper was up to date and neatly classified. The answers were crystal clear and hit all the keywords, so it was easy to understand what examiners want. Practising the revision questions before the exam helped me secure a 9.

  • FA
    Fatima Al-Khalifa IGCSE Chemistry • BH

    ★★★★★

    The companion videos solved every question and highlighted where each mark comes from. The clarity of the written answers made revision simple. I drilled the end-of-topic revision questions and achieved a 9.

  • WL
    Wen-Li Tsai IGCSE Biology • TW

    ★★★★★

    Latest exams were already included, which saved me hunting elsewhere. The mark-scheme points were all covered in the solutions, and the progress with revision questions pushed me to a 9.

  • SR
    Syafiq Rahman IGCSE Chemistry • MY

    ★★★★★

    The companion videos explain every single question with timing tips. Answers are written clearly with all the mark-scheme points, so I finally stopped losing silly marks. Scored a 9.

  • YS
    Yousef Al-Saeed IGCSE Biology • KW

    ★★★★☆

    Loved how the sets were organised by year and difficulty — includes the latest papers too. I did the revision questions each night before the exam and finished with a 9. The explanations are super clear.

  • NS
    Nur Syafira IGCSE Chemistry • SG

    ★★★★★

    Up-to-date solved papers with videos that go through every question step by step. The clear answers mapped to the mark scheme made it easy to learn the wording. Used the revision questions and got a 9.

  • SA
    Sultan Al-Harbi IGCSE Chemistry • SA

    ★★★★★

    The latest exam series were already there with complete solutions. The companion videos and the precise mark-scheme coverage in answers made understanding faster. I revised with the question sets and hit a 9.

  • OA
    Omar Al-Harthy IGCSE Biology • OM

    ★★★★★

    Every answer was clear and aligned to the official mark scheme — no confusion. I used the companion videos for full walkthroughs and finished the revision questions before the paper. Result: a 9.

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