CIE Biology IGCSE Topic Questions

1 Characteristics and classification of living organisms

1.1 Characteristics of living organisms

1.2 Concept and use of a classification system

1.3 Features of organisms

1.4 Dichotomous keys

3 Movement in and out of cells

3.1 Diffusion

3.2 Osmosis

3.3 Active transport

2 Organisation of the organism

2.1 Cell structure and organisation

2.2 Levels of organisation

2.3 Size of specimens

4 Biological molecules

4.1 Biological molecules

5 Enzymes

5.1 Enzymes

7 Human nutrition

7.1 Diet

7.2 Alimentary canal

7.3 Mechanical digestion

7.4 Chemical digestion

7.5 Absorption

6 Plant nutrition

6.1 Photosynthesis

6.2 Leaf structure

6.3 Mineral requirements

8 Transport in plants

8.1 Transport in plants

8.2 Water uptake

8.3 Transpiration

8.4 Translocation

9 Transport in animals

9.1 Transport in animals

9.2 Heart

9.3 Blood and lymphatic vessels

9.4 Blood

11 Gas exchange in humans

11.1 Gas exchange in humans

10 Diseases and immunity

10.1 Diseases and immunity

12 Respiration

12.1 Respiration

12.2 Aerobic respiration

12.3 Anaerobic respiration

13 Excretion in humans

13.1 Excretion in humans

15 Drugs

15.1 Drugs

15.2 Medicinal drugs

15.3 Misused drugs

14 Coordination and response

14.1 Nervous control in humans

14.2 Sense organs

14.3 Hormones in humans

14.4 Homeostasis

14.5 Tropic responses

16 Reproduction

16.1 Asexual reproduction

16.2 Sexual reproduction

16.3 Sexual reproduction in plants

16.4 Sexual reproduction in humans

16.5 Sex hormones in humans

16.6 Methods of birth control in humans

16.7 Sexually transmitted infections (STIs)

17 Inheritance

17 Inheritance

17.2 Chromosomes, genes and proteins

17.3 Mitosis

17.4 Meiosis

17.5 Monohybrid inheritance

19 Organisms and their environment

19.1 Energy flow

19.2 Food chains and food webs

19.3 Food chains and food webs continued

19.4 Nutrient cycles

19.5 Population size

21 Human influences on ecosystems

21.1 Food supply

21.2 Habitat destruction

21.3 Pollution

21.4 Conservation

18 Variation and selection

18.1 Variation

18.2 Adaptive features

18.3 Selection

20 Biotechnology and genetic engineering

20.1 Biotechnology and genetic engineering

20.2 Biotechnology

20.3 Genetic engineering