Unit 1 overview: Characteristics and Classification of Living Organisms

1.1.1 Characteristics of Living Organisms

1.1.1 Characteristics of Living Organisms - MCQ practice (50 questions)

1.1.1 Characteristics of Living Organisms - MCQ practice part 2 (5 questions)

Unit 2 overview: Organisation of the Organism

2.1.1 Cell Structure

2.1.1 Cell Structure - MCQ practice (50 questions)

2.1.1 Cell Structure - MCQ practice part 2 (12 questions)

2.1.2 Organisation of Cells

2.1.2 Organisation of Cells - MCQ practice (29 questions)

2.1.3 Magnification Formula

2.1.3 Magnification Formula - MCQ practice (41 questions)

2.1.4 Converting Between Units

2.1.4 Converting Between Units - MCQ practice (3 questions)

Unit 4 overview: Biological Molecules

4.1.1 Chemicals and Life

4.1.1 Chemicals and Life - MCQ practice (34 questions)

4.1.2 Food Tests

4.1.2 Food Tests - MCQ practice (21 questions)

Unit 5 overview: Enzymes

5.1.1 Enzymes

5.1.1 Enzymes - MCQ practice (19 questions)

5.1.2 Enzyme Investigations

5.1.2 Enzyme Investigations - MCQ practice (3 questions)

5.1.3 Enzyme Action and Specificity

5.1.3 Enzyme Action and Specificity - MCQ practice (16 questions)

5.1.4 Enzymes and Temperature

5.1.4 Enzymes and Temperature - MCQ practice (37 questions)

5.1.5 Enzymes and pH

5.1.5 Enzymes and pH - MCQ practice (14 questions)

Unit 6 overview: Plant Nutrition

6.1.1 Photosynthesis

6.1.1 Photosynthesis - MCQ practice (3 questions)

6.1.2 Chlorophyll

6.1.3 Use and Storage of Carbohydrates

6.1.3 Use and Storage of Carbohydrates - MCQ practice (3 questions)

6.1.4 Minerals in Plants

6.1.4 Minerals in Plants - MCQ practice (15 questions)

6.1.5 Investigating the Need for Chlorophyll, Light and Carbon Dioxide

6.1.5 Investigating the Need for Chlorophyll, Light and Carbon Dioxide - MCQ practice (10 questions)

6.1.6 Environmental Factors and the Rate of Photosynthesis

6.1.6 Environmental Factors and the Rate of Photosynthesis - MCQ practice (25 questions)

6.1.7 Investigating Gas Exchange

6.1.7 Investigating Gas Exchange - MCQ practice (12 questions)

6.1.8 Photosynthesis Chemical Equation

6.1.8 Photosynthesis Chemical Equation - MCQ practice (3 questions)

6.1.9 Leaf Adaptations

6.1.9 Leaf Adaptations - MCQ practice (21 questions)

6.1.10 Identifying Leaf Structures in a Dicotyledonous Plant

6.1.10 Identifying Leaf Structures in a Dicotyledonous Plant - MCQ practice (28 questions)

Unit 7 overview: Human Nutrition

7.1.1 Diet and Deficiencies

7.1.1 Diet and Deficiencies - MCQ practice (38 questions)

7.1.2 Digestive System

7.1.2 Digestive System - MCQ practice (36 questions)

7.1.3 Physical Digestion

7.1.3 Physical Digestion - MCQ practice (9 questions)

7.1.4 Chemical Digestion

7.1.4 Chemical Digestion - MCQ practice (8 questions)

7.1.5 Enzymes in Digestion

7.1.5 Enzymes in Digestion - MCQ practice (25 questions)

7.1.6 Hydrochloric Acid

7.1.6 Hydrochloric Acid - MCQ practice (1 questions)

7.1.7 Bile and Emulsification

7.1.7 Bile and Emulsification - MCQ practice (4 questions)

Unit 8 overview: Transport in Plants

8.1.1 Xylem and Phloem

8.1.1 Xylem and Phloem - MCQ practice (28 questions)

8.1.2 Root Hair Cells

8.1.2 Root Hair Cells - MCQ practice (11 questions)

8.1.3 Pathway Taken by Water

8.1.3 Pathway Taken by Water - MCQ practice (11 questions)

8.1.4 Transpiration

8.1.4 Transpiration - MCQ practice (11 questions)

8.1.5 Investigating Temperature and Wind Speed

8.1.5 Investigating Temperature and Wind Speed - MCQ practice (1 questions)

8.1.6 Explaining the Effects of Temperature, Wind Speed and Humidity

8.1.6 Explaining the Effects of Temperature, Wind Speed and Humidity - MCQ practice (20 questions)

8.1.7 Translocation

8.1.7 Translocation - MCQ practice (34 questions)

Unit 9 overview: Transport in Animals

9.1.1 Circulatory System

9.1.1 Circulatory System - MCQ practice (23 questions)

9.1.2 Circulatory System Continued

9.1.3 The Mammalian Heart

9.1.3 The Mammalian Heart - MCQ practice (24 questions)

9.1.4 Monitoring Activity of the Heart

9.1.5 Investigating Effect of Physical Activity on Heart Rate

9.1.6 Coronary Heart Disease

9.1.6 Coronary Heart Disease - MCQ practice (9 questions)

9.1.7 Functioning of the Heart

9.1.7 Functioning of the Heart - MCQ practice (6 questions)

9.1.8 Explaining the Effect of Physical Activity on Heart Rate

9.1.9 Blood Vessels

9.1.9 Blood Vessels - MCQ practice (4 questions)

9.1.10 Main Blood Vessels in the Body

9.1.10 Main Blood Vessels in the Body - MCQ practice (9 questions)

9.1.11 Structure and Function of Blood Vessels

9.1.11 Structure and Function of Blood Vessels - MCQ practice (12 questions)

9.1.12 Components of Blood

9.1.12 Components of Blood - MCQ practice (12 questions)

9.1.13 Blood Clotting

9.1.13 Blood Clotting - MCQ practice (6 questions)

9.1.14 White Blood Cells

9.1.14 White Blood Cells - MCQ practice (10 questions)

Unit 10 overview: Diseases and Immunity

10.1.1 Pathogens and Barriers

10.1.1 Pathogens and Barriers - MCQ practice (6 questions)

10.1.2 Controlling the Spread of Disease

10.1.3 Active Immunity

10.1.3 Active Immunity - MCQ practice (7 questions)

10.1.4 Antigens and Antibodies

10.1.4 Antigens and Antibodies - MCQ practice (7 questions)

10.1.5 Vaccination

10.1.5 Vaccination - MCQ practice (5 questions)

10.1.6 Preventing the Spread of Disease

10.1.6 Preventing the Spread of Disease - MCQ practice (1 questions)

Unit 11 overview: Gas Exchange in Humans

11.1.1 Features of Gas Exchange Surfaces

11.1.1 Features of Gas Exchange Surfaces - MCQ practice (6 questions)

11.1.2 The Breathing System

11.1.2 The Breathing System - MCQ practice (49 questions)

11.1.3 Investigating the Differences in Inspired and Expired Air

11.1.4 Differences in Inspired and Expired Air

11.1.4 Differences in Inspired and Expired Air - MCQ practice (13 questions)

11.1.5 Investigating the Effects of Physical Activity on Breathing

11.1.5 Investigating the Effects of Physical Activity on Breathing - MCQ practice (1 questions)

11.1.6 Explaining differences in Inspired and Expired Air

11.1.7 Explaining the Link Between Physical Activity and Breathing

11.1.7 Explaining the Link Between Physical Activity and Breathing - MCQ practice (9 questions)

Unit 12 overview: Respiration

12.1.1 Respiration in Cells

12.1.1 Respiration in Cells - MCQ practice (2 questions)

12.1.2 Aerobic Respiration

12.1.2 Aerobic Respiration - MCQ practice (13 questions)

12.1.3 Anaerobic Respiration

12.1.3 Anaerobic Respiration - MCQ practice (45 questions)

Unit 13 overview: Coordination and Response

13.1.1 Mammalian Nervous System

13.1.1 Mammalian Nervous System - MCQ practice (4 questions)

13.1.2 Types of Neurones

13.1.2 Types of Neurones - MCQ practice (4 questions)

13.1.3 The Reflex Arc

13.1.3 The Reflex Arc - MCQ practice (23 questions)

13.1.4 Sense Organs

13.1.4 Sense Organs - MCQ practice (50 questions)

13.1.4 Sense Organs - MCQ practice part 2 (1 questions)

13.1.5 Hormones in Humans

13.1.5 Hormones in Humans - MCQ practice (23 questions)

13.1.6 Homeostasis

13.1.6 Homeostasis - MCQ practice (20 questions)

13.1.7 Homeostasis and Temperature Control

13.1.7 Homeostasis and Temperature Control - MCQ practice (18 questions)

Unit 14 overview: Drugs

14.1.1 Drugs for Medicine

14.1.1 Drugs for Medicine - MCQ practice (9 questions)

Unit 15 overview: Reproduction

15.1.1 Asexual Reproduction

15.1.1 Asexual Reproduction - MCQ practice (22 questions)

15.1.2 Sexual Reproduction

15.1.2 Sexual Reproduction - MCQ practice (9 questions)

15.1.3 Sexual Reproduction in Plants

15.1.3 Sexual Reproduction in Plants - MCQ practice (32 questions)

15.1.4 Sexual Reproduction in Humans

15.1.4 Sexual Reproduction in Humans - MCQ practice (30 questions)

15.1.5 Sexual Hormones in Humans

15.1.5 Sexual Hormones in Humans - MCQ practice (42 questions)

15.1.6 Sexually Transmitted Infections

15.1.6 Sexually Transmitted Infections - MCQ practice (5 questions)

Unit 16 overview: Inheritance

16.1.1 Chromosomes, Genes and Proteins

16.1.1 Chromosomes, Genes and Proteins - MCQ practice (50 questions)

16.1.1 Chromosomes, Genes and Proteins - MCQ practice part 2 (14 questions)

16.1.2 The Inheritance of Sex

16.1.2 The Inheritance of Sex - MCQ practice (16 questions)

16.1.3 Control of Gene Expression

16.1.3 Control of Gene Expression - MCQ practice (9 questions)

16.1.4 Mitosis

16.1.4 Mitosis - MCQ practice (24 questions)

16.1.5 Meiosis

16.1.5 Meiosis - MCQ practice (24 questions)

16.1.6 Monohybrid Inheritance

16.1.6 Monohybrid Inheritance - MCQ practice (50 questions)

16.1.6 Monohybrid Inheritance - MCQ practice part 2 (2 questions)

Unit 17 overview: Variation and Selection

17.1.1 Variation

17.1.1 Variation - MCQ practice (15 questions)

17.1.2 Natural Selection

17.1.2 Natural Selection - MCQ practice (13 questions)

17.1.3 Artificial Selection

17.1.3 Artificial Selection - MCQ practice (2 questions)

Unit 18 overview: Organisms and Their Environment

18.1.1 Transfer of Energy

18.1.1 Transfer of Energy - MCQ practice (15 questions)

18.1.2 Food Chains and Food Webs

18.1.2 Food Chains and Food Webs - MCQ practice (8 questions)

18.1.3 Trophic Levels

18.1.3 Trophic Levels - MCQ practice (34 questions)

18.1.4 Efficiency of Energy Transfer

18.1.4 Efficiency of Energy Transfer - MCQ practice (9 questions)

18.1.5 Nutrient Cycles

18.1.5 Nutrient Cycles - MCQ practice (41 questions)

Unit 19 overview: Human Influences on Ecosystems

19.1.1 The Importance of Biodiversity

19.1.1 The Importance of Biodiversity - MCQ practice (9 questions)

19.1.2 Endangered Species

19.1.2 Endangered Species - MCQ practice (10 questions)