IAL Biology Edexcel – Replication Practice

Complete lesson for Pearson Edexcel IAL Biology Topic 2 spec 2.10: DNA replication and Meselson–Stahl exam practice with real WBI11 questions.

Save precious planning time with a complete, ready-to-teach Pearson Edexcel IAL Biology lesson: open the folder and teach.

Lesson 37 · Topic 2, lesson 15 of 28 · Unit 1 (WBI11) · Spec 2.10: Replication exam practice

What this lesson covers

• Ready-to-teach 15-slide exam-practice deck on DNA replication, with a retrieval starter and a self-marking exit ticket.
• Two real WBI11 questions (January 2025, October 2022) with official mark schemes, full-marks model answers and examiner-report insights.
• Meselson and Stahl drawing task: observed result plus conservative and dispersive predictions, marked by position and width.
• Includes student notes, 5 practice questions (29 marks), homework, a misconception check and a Which generation is it? activity.

Everything you need, in one folder

• Lesson PowerPoint (15 slides): retrieval starter, click-to-reveal teaching slides, quick checks with answers, real WBI11 exam questions with official mark schemes and model answers, and an exit ticket with answers. Full speaker notes.
• Detailed 3-page lesson plan: timed sequence with key questions, answers, misconceptions, differentiation and extension.
• Student notes (10 pages): knowledge organiser, revision-guide pages with answers, key terms and a “Can I…?” checklist, word bank and sentence starters, double-sided flashcards.
• Practice questions (5 questions, 29 marks) with a separate mark scheme — each question on its own page, using only content taught so far.
• Homework (14 marks) with a separate mark scheme, including spaced retrieval of earlier lessons.
• Misconception check (2 multiple-choice questions) with a teacher key explaining every wrong answer.
• Active-learning printables (2 pages) for hands-on tasks, games and data activities, plus teacher notes with answers.
• Teacher notes: the starter and exit-ticket mark points and prompts, plus active-learning running notes and answer keys.
• Catch-up and Extension bank decks: 10 catch-up lessons on assumed GCSE knowledge (B13–B22) and 15 extension lessons (E14–E28).

Why teachers love it

• Complete and exam-focused: no prep; built from real Pearson Edexcel WBI11 papers, official mark-scheme wording and examiner-report insights.
• Strict teaching order and EAL-friendly: questions use only content taught so far; works 1:1 or with a whole class.

File formats: PPTX (PowerPoint, Keynote or Google Slides) and PDF.

Want the whole topic? See the Complete Topic 2 bundle in the bio_boffin_resources shop: all 28 lessons plus full-topic resources.

An independent resource by bio_boffin_resources, written by a Biology teacher with 10 years’ experience in a leading international school. Not endorsed by Pearson.