IGCSE & GCSE Biology by DG Mackean

Here you will find the answers to the ‘in-text’ questions which occur in IGCSE Biology (2nd edition) and GCSE Biology (3rd edition) by D. G. Mackean, published by Hodder Education, London, UK.

At present answers to the questions in Section 1: Some Principles of Biology, Section 2: Flowering Plants, Section 3: Human Physiology, Section 4: Genetics and Heredity are avaialble. The rest will follow in due course.

Chapters: | Index | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |

Section 1. Principles of biology

Chapter 1 Cells and tissues
Chapter 2 The chemicals of living cells
Chapter 3 Energy from respiration
Chapter 4 How substances get in and out of cells
Chapter 5 Photosynthesis and nutrition in plants

Section 2. Flowering plants

Chapter 6 Plant structure and function
Chapter 7 Transport in plants
Chapter 8 Reproduction in flowering plants
Chapter 9 Asexual reproduction and cloning in plants

Section 3. Human physiology

Chapter 10 Food and diet
Chapter 11 Digestion, absorption and use of food
Chapter 12 The blood circulatory system
Chapter 13 Breathing
Chapter 14 Excretion and the kidneys
Chapter 15 The skin, and temperature control
Chapter 16 Human reproduction
Chapter 17 The skeleton, muscles and movement
Chapter 18 The senses
Chapter 19 Co-ordination
Chapter 20 Personal health

Section 4. Genetics and heredity

Chapter 21 Cell division, chromosomes and genes
Chapter 22 Heredity
Chapter 23 Variation, selection and evolution
Chapter 24 Applied genetics

Downloads
Download the answers in PDF format below
Section 1, Chapters 1-5
Section 2, Chapters 6-9
Section 3, Chapters 10-12
Section 3, Chapters 13-17
Section 3, Chapters 18-20
Section 4, Chapters 21-24