Contain 30-question past paper practice pack and mark scheme for Pearson Edexcel International GCSE (9–1) Biology, covering Topic 5: Natural Selection and Evolution.

This document includes:

Section A: 10 Multiple-Choice Questions (Mutations, selective advantage, antibiotic resistance in bacteria, selective breeding in crops/animals, Darwin’s theory, fossil evidence, and genetic variation).

Section B: 15 Short & Structured Questions (Defining natural selection, steps in speciation, comparing natural vs artificial selection, bacterial resistance mechanisms, gene pools, and selective breeding processes).

Section C: 5 Extended & Analysis Questions (Full essay derivations of natural selection, CORMS investigation on antibiotic disc sensitivity, evolutionary trade-offs, superbug emergence, and selective breeding case studies).

Complete Mark Scheme & Answer Key: Comprehensive breakdown for all 30 questions with specific mark allocations.