Cambridge O Level Biology: Topic Questions legacy

Concise resources for the O Level Cambridge Biology course.

Topic Questions Mark Scheme
Section 1: Cell Structure & Organisation  
Plant & Animal Cells Plant & Animal Cells MS
Specialised Cells, Tissues & Organs Specialised Cells, Tissues & Organs MS
   
Section 2: Diffusion & Osmosis  
Diffusion & Osmosis Diffusion & Osmosis MS
   
Section 3: Enzymes  
Enzymes Enzymes MS
   
Section 4: Plant Nutrition  
Photosynthesis & Mineral Nutrition 1 Photosynthesis & Mineral Nutrition MS1
Photosynthesis & Mineral Nutrition 2 Photosynthesis & Mineral Nutrition MS2
Leaf Structure Leaf Structure MS
   
Section 5: Animal Nutrition  
Nutrition & Diet 1 Nutrients & Diet MS 1
Nutrition & Diet 2 Nutrients & Diet MS 2
Digestion & The Alimentary Canal Digestion & The Alimentary Canal MS
   
Section 6: Transport in Flowering Plants  
Transport in Flowering Plants Transport in Flowering Plants MS
   
Section 7: Transport in Humans  
Transport in Humans 1 Transport in Humans MS 1
Transport in Humans 2 Transport in Humans MS 2
   
​Section 8: Respiration  
Aerobic Respiration Aerobic Respiration MS
Anaerobic Respiration Anaerobic Respiration MS
Human gas exchange Human gas exchange MS
   
Section 9: Excretion  
Excretion Excretion MS
   
Section 10: Homeostasis  
Homeostasis Homeostasis MS
   
Section 11: Coordination & Response  
Nervous System, Receptors & Reflex Action Nervous System, Receptors & Reflex Action MS
The Eye The Eye MS
Hormones Hormones MS
   
Section 12: Support, Movement and Locomotion  
Support, Movement and Locomotion Support, Movement and Locomotion MS
   
Section 13: The Use and Abuse of Drugs  
The Use and Abuse of Drugs The Use and Abuse of Drugs MS
   
Section 14: Microorganisms and Biotechnology  
Microorganisms and Biotechnology Microorganisms and Biotechnology MS
   
Section 15: Relationships of organisms with one another and the environment  
Energy flow,Food chains & Food webs 1 Energy flow, food chains & food webs MS 1
Energy flow, Food chains & Food webs 2 Energy flow, food chains & food webs MS 2
Carbon & Nitrogen Cycles Carbon & Nitrogen Cycles MS
Parasites Parasites MS
Effects of humans on the ecosystem, pollution & conservation Effects of humans on the ecosystem, pollution & conservation MS
   
Section 16: Development of organisms & continuity of life  
Asexual & Plant Reproduction Asexual & Plant Reproduction MS
Sexual & Human Reproduction Sexual & Human Reproduction MS
Sexually Transmitted Diseases Sexually Transmitted Diseases MS
   
Section 17: Inheritance  
Genetics, Inheritance & Selection 1 Genetics, Inheritance & Selection MS 1
Genetics, Inheritance & Selection 2 Genetics, Inheritance & Selection MS 2
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