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Biology | IGCSE
Cambridge
IGCSE
Biology (
Total Videos: 368
)
Preference
All Chapters
Chapter 1: Classification
Chapter 2: Cells
Chapter 3: Movement in and Out of Cells
Chapter 4: The Chemicals of Life
Chapter 5: Enzymes
Chapter 6: Plant Nutrition
Chapter 7: Animal Nutrition
Chapter 8: Transport in Plants
Chapter 9: Transport in Animals
Chapter 10: Pathogens and Immunity
Chapter 11: Respiration and Gas Exchange
Chapter 12: Excretion
Chapter 13: Coordination and Response
Chapter 14: Homeostasis
Chapter 15: Drugs
Chapter 16: Reproduction in Plants
Chapter 17: Reproduction in Humans
Chapter 18: Inheritance
Chapter 19: Variation and Natural Selection
Chapter 20: Organisms and Their Environment
Chapter 21: Biotechnology
Chapter 22: Human and The Environment
Show Content
Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 1 Classification (
25 videos
)
  (
Practice Test
)
1.1: Characteristics of Living Things
Living Things
1493 views
1.2: Classification (
Practice Test
)
Aims and Basis of Classification
12075 views
Species - The Basic Unit of Classification
Two Kingdom Classification System
9650 views
Binomial Nomenclature
6877 views
1.3: The Kingdoms of Living Organisms (
Practice Test
)
Characteristics of Animals
1014 views
More on Characteristics of Animals
452 views
General Characteristics of Plants
7833 views
Characteristics of Fungi
7440 views
Characteristics of Fungi
10897 views
General Characteristics of Protists
10413 views
Role of Bacteria in Research and Technology
450 views
Structure of Bacterial Cell
4610 views
1.4: Viruses (
Practice Test
)
Viruses
11445 views
Structure of Viruses
4341 views
1.5: Classifying Animals (
Practice Test
)
Class Pisces (Fishes)
3879 views
Class Amphibia
3941 views
Class Reptilia
3137 views
Class Aves
3579 views
Class Mammalia
3589 views
Phylum Arthropoda
5637 views
Classification of Arthropods
3121 views
1.6: Classifying Plants (
Practice Test
)
Classification of Plantae
7493 views
Plant Body of Angiosperms
3345 views
Comparison of Monocots and Dicots
12980 views
Chapter 2 Cells (
21 videos
)
  (
Practice Test
)
2.1: Cell Structure (
Practice Test
)
Light Microscope
12496 views
Electron Microscope
10876 views
Cell Membrane
24850 views
More on Cell Membrane
9106 views
Cell wall
36672 views
Cytoplasm, Cytoskeleton
17752 views
More on Cytoplasm, Cell Organelles
7129 views
Vacuoles
11106 views
More on Vacuoles
3413 views
Chloroplasts, The Sites of Photosynthesis
6189 views
Chloroplast Convert Energy
Nucleus
17830 views
More on Nucleus
5149 views
Chromosomes, Nucleolus
5953 views
Mitochondria
15515 views
Mitochondria Convert Energy
4986 views
Ribosomes
16305 views
Endoplasmic Reticulum (ER), Ribosomes
14548 views
2.2: Cells and Organisms (
Practice Test
)
Levels of Organization
9643 views
Tissues and Organs
68 views
Chapter 3 Movement in and Out of Cells (
4 videos
)
  (
Practice Test
)
3.1: Diffusion
Diffusion and Facilitated Diffusion
8261 views
3.2: Osmosis (
Practice Test
)
Osmosis
6053 views
More on Osmosis
298 views
3.3: Active Transport
Passive Transport and Active Transport
6121 views
Chapter 4 The Chemicals of Life (
14 videos
)
  (
Practice Test
)
4.1: Carbohydrates (
Practice Test
)
Carbohydrates
12933 views
Monosaccharides
15236 views
Proteins
4718 views
Polysaccharides
5810 views
Functions of Carbohydrates
8359 views
4.2: Fats
Lipids Characteristics
7655 views
4.3: Proteins (
Practice Test
)
Structure of Protein
9505 views
More on Structure of Protein
5877 views
Functions of Protein
2736 views
4.5: DNA (
Practice Test
)
Watson-Crick Model of DNA
65841 views
Chapter 5 Enzymes (
4 videos
)
  (
Practice Test
)
5.1: Biological Catalysts (
Practice Test
)
Enzymes
21151 views
Mechanism of Enzymes
10316 views
5.2: Properties of Enzymes (
Practice Test
)
Characteristics of Enzymes
8195 views
Factors Affecting the Rate of Enzyme Action
7365 views
Chapter 6 Plant Nutrition (
11 videos
)
  (
Practice Test
)
6.1: Photosynthesis (
Practice Test
)
Photosynthesis
3647 views
Role of Chlorophyll and Light
7915 views
Chloroplasts, The Sites of Photosynthesis
6189 views
6.2: Leaves (
Practice Test
)
More on Leaf Structure and Function
1113 views
6.3: Testing Leaves for Starch
Is Chlorophyll and Light Necessary for Photosynthesis?
Is Carbon Dioxide Needed for Photosynthesis? Is Oxygen Produced During Photosynthesis?
6.4: Limiting Factors
Concept of Limiting Factors in Photosynthesis
2363 views
6.5: The Importance of Photosynthesis (
Practice Test
)
The content is under development at the moment and will be updated soon.
Chapter 7 Animal Nutrition (
31 videos
)
  (
Practice Test
)
7.1: Diet (
Practice Test
)
Balanced Diet
98 views
Need for Energy in Living Organisms
1942 views
Vitamin A
3466 views
Vitamin C and D
2591 views
Minerals
1917 views
Water and Dietary Fiber
3963 views
Digestion in Stomach
430 views
Saturated and Unsaturated Fats
5096 views
Atherosclerosis and Arteriosclerosis
5897 views
Obesity, Anorexia Nervosa
2929 views
Effects of Malnutrition
1810 views
Protein - Energy Malnutrition
6981 views
7.2: Digestion (
Practice Test
)
Digestion in Human
9054 views
Types of Digestion
5184 views
7.3: Teeth (
Practice Test
)
Teeth
1644 views
Types of Teeth
16055 views
The Causes of Tooth Decay and its Prevention
1051 views
7.4: The Alimentary Canal (
Practice Test
)
Human Alimentary Canal
5890 views
Digestion in Stomach
430 views
Digestion in Oral Cavity
8759 views
Oral Cavity
693 views
Digestion in Pharynx and Oesophagus
6713 views
Digestion in Stomach
11097 views
Digestion in Small Intestine
8002 views
Functions of Liver
694 views
Absorption of Digested Food From Lumen of Intestine
951 views
Absorption of Protein in Small Intestine
465 views
Functions of Large Intestine
Diarrhoea and Vomiting
3679 views
7.5: Assimilation
Digestion in Human
9054 views
Functions of Liver
694 views
Chapter 8 Transport in Plants (
13 videos
)
  (
Practice Test
)
8.1: Plant Transport Systems (
Practice Test
)
Transport in Plants
5823 views
Xylem Tissues
2039 views
Phloem Tissues
Structure of Root
2340 views
Structure of Stem
2189 views
8.2: Water Uptake (
Practice Test
)
Uptake of Water by Roots and Pathways
3614 views
8.3: Transpiration (
Practice Test
)
Transpiration
4807 views
Cohesion and Tension Theory
5145 views
Water Movement in Xylem Through TACT Mechanism
Factors Affecting the Rate of Transpiration
5640 views
Measurement of The Rate of Transpiration
8.4: Transport of Manufactured Food (
Practice Test
)
Translocation
1178 views
Transport of Food
8089 views
Chapter 9 Transport in Animals (
31 videos
)
  (
Practice Test
)
9.1: Circulatory System (
Practice Test
)
Circulation of Blood Inside Heart
5994 views
Passage of Blood Through Heart
1762 views
Double Circuit Circulation
2235 views
Single Circuit Circulation
14653 views
9.2: The Heart (
Practice Test
)
Structure of Human Heart
6361 views
More on Structure of Human Heart
2938 views
More on Structure of Human Heart
2229 views
Narrowing of Coronary Arteries
23 views
Heartbeat
5655 views
Artificial Pacemaker
Electrocardiogram
Valves of Heart
2684 views
More on Valves of Heart
1570 views
9.3: Blo0d Vessels (
Practice Test
)
More on Blood Vessels, Arteries
1136 views
Blood Pressure, Measuring of Blood Pressure
Capillaries
1703 views
Veins
1017 views
Comparison of Arteries, Capillaries and Veins
3363 views
More on Pulmonary Circulation
599 views
More on Systemic Circulation
530 views
Coronary Circulation
8646 views
Hepatic Portal System
Renal Circulation
4081 views
9.4: Blood (
Practice Test
)
Blood, Blood Plasma
5759 views
Blood Cells
4336 views
White Blood Cells and Platelets
5143 views
9.5: Lymph and Tissue Fluid (
Practice Test
)
Lymphatic System
12200 views
Lymphatic System of Man
2964 views
Lymphatic Vessels
2793 views
Lymphatic Capillaries
1652 views
Spleen as a Lymphatic Organ
1561 views
Chapter 10 Pathogens and Immunity (
12 videos
)
  (
Practice Test
)
10.1: Pathogens
Agents Spreading The Germs
10.2: Body Defences (
Practice Test
)
Disposal of Plastics
88 views
Biological Principles of Sewage Treatment
1136 views
10.3: The Immune System (
Practice Test
)
Immunity, Immunology
2849 views
Antigen, Antibody
2031 views
The Antibody Mediated Immune Response
1879 views
Role of Memory Cell in Immunity
1330 views
Vaccination a Mean to Develop Active Acquired Immunity
1037 views
Inborn and Acquired Immunity
1274 views
Types of Immunity, Active Immunity
2475 views
Passive Immunity
1300 views
Autoimmune Disorders
1854 views
Chapter 11 Respiration and Gas Exchange (
14 videos
)
  (
Practice Test
)
11.1: Respiration (
Practice Test
)
Respiration
543 views
Aerobic Respiration
6500 views
Aerobic and Anaerobic Respiration
8937 views
11.2: Gas Exchange in Humans (
Practice Test
)
Properties of Respiratory Surfaces
13106 views
Mechanism of Breathing in Man
1398 views
Mechanism of Breathing
8682 views
Upper Respiratory Tract (Nose)
11024 views
Pharynx
14559 views
Lower Respiratory Tract (Larynx and Trachea)
5760 views
Bronchi and Bronchioles
5698 views
Alveolar Ducts and Alveoli
External Structure of Lungs
11.3: Breathing Movements (
Practice Test
)
Inspiration (Inhalation)
705 views
Expiration
469 views
Chapter 12 Excretion (
17 videos
)
  (
Practice Test
)
12.1: Excretory Products (
Practice Test
)
Nature of Excretory Products in Relation to Habitats
7312 views
Excretion
264 views
Excretory Organs in Vertebrates, Nephrons, Kidney
6528 views
12.2: Nitrogenous Waste (
Practice Test
)
Urea
5312 views
Uric Acid
6574 views
Urea Formation, Kidney Filtration
3968 views
12.3: The Human Excretory System (
Practice Test
)
Urinary System
9245 views
Structure of Kidney
49113 views
Nephron
11277 views
Role of Kidney
27826 views
Urea Formation, Kidney Filtration
3968 views
Function of Kidney
9917 views
Renal Failure
13435 views
Peritoneal Dialysis
20631 views
Kidney Transplant
5706 views
Treatment of Malfunctioned Kidneys
2333 views
Chapter 13 Coordination and Response (
25 videos
)
  (
Practice Test
)
13.1: Coordination in Animals (
Practice Test
)
Stimuli, Receptors, Effectors, Response
16832 views
Coordinated Action, Stimuli, Receptors
14790 views
Steps Involved in Coordination
3863 views
13.2: The Human Nervous System (
Practice Test
)
The Nervous System
429 views
The Divisions of Brain, Forebrain
10596 views
Reflex Action
10745 views
Nerve cell or Neuron
14832 views
Nerve Types
6815 views
Neuron Types
10302 views
Nervous Tissue
3224 views
Synapse
11029 views
13.3: Receptors (
Practice Test
)
Senses
2484 views
Eye
7259 views
More on Eye
4034 views
Process of Image Formation
2967 views
13.4: The Endocrine System (
Practice Test
)
Important endocrine gland
9123 views
Adrenal Gland
9392 views
Pituitary Gland
7291 views
Pituitary's Median Lobe and Posterior Lobe
4164 views
Thyroid Gland
10441 views
Parathyroid
7905 views
13.5: Coordination and Response in Plants (
Practice Test
)
Tropic Movements
5322 views
Auxins and Gibberellins
8872 views
Geotropism of Root and Phototropism of Shoots in Term of Auxins
3490 views
Chapter 14 Homeostasis (
8 videos
)
  (
Practice Test
)
14.1: Maintaining the Internal Environment (
Practice Test
)
Homeostasis
2717 views
14.2: Control of Body Temperature (
Practice Test
)
Temperature Classification of Animals
6239 views
The Structure and Role of Skin
178 views
Concept of Feedback
8080 views
Feedback Mechanism
11601 views
14.3: Control of Blood Glucose Concentration (
Practice Test
)
Feedback Mechanism
11601 views
Diabetes Mellitus and Its Genetic Basis
2732 views
Diabetes Mellitus Type II and Its Genetic Basis
1646 views
Chapter 15 Drugs (
10 videos
)
  (
Practice Test
)
15.1: What is a Drug? (
Practice Test
)
Drug, Pharmaceutical Drug, Addictive Drugs
3069 views
15.2: Medicinal Drugs (
Practice Test
)
Antibiotics, Bactericidal and Bacteriostatic Antibiotics
3661 views
Antibiotics
3092 views
15.3: Misuse of Drugs (
Practice Test
)
Drug, Pharmaceutical Drug, Addictive Drugs
3069 views
Nicotine and Alcohol
2563 views
15.4: Tobacco Smoking (
Practice Test
)
Nicotine and Alcohol
2563 views
Emphysema
2909 views
Bronchitis, Emphysema
7912 views
Bad effect of Smoking
4565 views
Lung Cancer
7688 views
Chapter 16 Reproduction in Plants (
17 videos
)
  (
Practice Test
)
16.1: Asexual Reproduction (
Practice Test
)
Reproduction in Plants
7625 views
Runners and Tubers
282 views
16.2: Sexual Reproduction (
Practice Test
)
Sexual Reproduction
518 views
Sexual Reproduction in Plants
306 views
16.3: Sexual Reproduction in Flowering Plants (
Practice Test
)
Sexual Reproduction in Flowering Plants, The Flower
1046 views
Life Cycle of Flowering Plant
20326 views
Parts of a Flower
1132 views
Structure of Ovules
2544 views
Structure of Pollen Grain
2060 views
Pollination
324 views
Pollination By Water And Wind
1004 views
Pollination By Animals
558 views
Formation of Seed And Fruit
2487 views
Sexual Reproduction In Plants (Germination of Pollen Grains and Fertilization)
4349 views
Germination of Seed
6453 views
16.4: Comparing Sexual and Asexual Reproduction (
Practice Test
)
Difference Between Asexual and Sexual Reproduction
4271 views
Comparison of Asexual and Sexual Reproduction
234 views
Chapter 17 Reproduction in Humans (
9 videos
)
  (
Practice Test
)
17.1: Human Reproductive Organs (
Practice Test
)
Female Reproductive System
15779 views
Function of Female Reproductive System
8878 views
Male Reproductive System
15700 views
More on Structure of Male Reproductive System
6253 views
17.2: Fertilisation and Development (
Practice Test
)
Human Embryonic Development
5693 views
17.3: The Menstrual Cycle (
Practice Test
)
Menstrual Cycle
14343 views
Hormonal Control of Reproductive Cycles
6842 views
17.4: Sexually Transmitted Infections (
Practice Test
)
AIDS, A Sexually Transmitted Disease
7203 views
Symptoms and Treatment of AIDS
4488 views
Chapter 18 Inheritance (
40 videos
)
  (
Practice Test
)
18.1: Chromosomes (
Practice Test
)
Types of Chromosomes
14095 views
Composition of Chromosome
25284 views
Number and Structure of Chromosome
14313 views
18.2: Cell Division (
Practice Test
)
The Nucleus contains Chromosomes
728 views
Chromosome in Man
2013 views
Two Types of Nuclear Division
833 views
Anaphase, Telophase of Mitosis
16891 views
More on Mitosis, Cytokinesis
10975 views
Significance of Mitosis
10862 views
Metaphase I, Anaphase I and Telophase I
15853 views
Meiosis-I, Prophase I
13659 views
More on Meiosis-I, Prophase I
3266 views
Meiosis I (Prophase I)
8802 views
Meiosis-II
7798 views
Significance of Meiosis
8647 views
Importance of Meiosis
2663 views
18.3: Inheritance (
Practice Test
)
Gamete - A Vehicle of Inheritance
4638 views
Gene and Genome, Chromosome, Chromatin
11553 views
Genes, Locus, Alleles, Phenotype, Genotype
22120 views
Genotype and Its Types
Complete Dominance
5375 views
Codominance
8185 views
Co-Dominance
2165 views
Punnet Square, Test Cross
4894 views
Punnet Square
2195 views
Patterns of Sex Determination
3770 views
Sex Determination, Chromosome in Drosophila
5522 views
Sex Linkage
1374 views
Sex Linkage in Drosophila
12208 views
Sex-Linkage in Human
3958 views
18.4: DNA and Protein Synthesis (
Practice Test
)
Nucleotide and Polynucleotide
9057 views
Genetic Code
14130 views
Transcription
18325 views
Advance Transcription
6000 views
Advance Transcription
4411 views
More on Transcription
9405 views
Post-Transcriptional Modification of mRNA
6465 views
Translation
15338 views
Translation, Protein Synthesis
6024 views
More on Translation, Protein Synthesis
3969 views
Chapter 19 Variation and Natural Selection (
14 videos
)
  (
Practice Test
)
19.1: Variation (
Practice Test
)
Discontinuous and Continuous Variations
9470 views
Variations And Natural Selection
121 views
Role of Gene Mutation & Chromosomal Mutation In Natural Selection
1209 views
Importance of Mutation
2822 views
Chromosomal Mutations
5795 views
19.2: Adaptive features (
Practice Test
)
Hydrophytes and Halophytes
13556 views
Xerophytes and Mesophytes
9728 views
19.3: Selection (
Practice Test
)
Variations And Natural Selection
121 views
More on Theory of Natural Selection
2449 views
Theory of Natural Selection
11343 views
Role of Bacteria in Research and Technology
450 views
Sickle Cell Aneamia, Diabetes Mellitus
1299 views
Selective Breeding
Artificial Selection
9753 views
Chapter 20 Organisms and Their Environment (
17 videos
)
  (
Practice Test
)
20.1: Ecology (
Practice Test
)
Ecology
2941 views
20.2: Energy Flow (
Practice Test
)
Food Chain
2835 views
Food Web
4222 views
Energy Flow in Food chain
716 views
Pyramids of Energy
841 views
Trophic Levels
517 views
Ecological Pyramids of Biomass
4800 views
Ecological Pyramids of Number
2412 views
20.3: Nutrient Cycles (
Practice Test
)
Bacteria and Fungi in Soil as Soil Decomposers
680 views
Carbon Cycle
9649 views
The Nitrogen Cycle
3523 views
More on Nitrogen Cycle
1332 views
The Nitrogen Cycle
3905 views
Assimilation and Denitrification
2685 views
Water Cycle
3459 views
20.4: Population Size (
Practice Test
)
Need of Population Planning
1027 views
Respiration and Growth in Bacteria
4586 views
Chapter 21 Biotechnology (
12 videos
)
  (
Practice Test
)
21.1: What is Biotechnology? (
Practice Test
)
Introduction To Biotechnology
202 views
Biotechnology, The Genetic Engineering
11062 views
21.2: Using Yeast (
Practice Test
)
Alcoholic Fermentation
4633 views
Fermentation Products
2735 views
Uses of Enzymes
1355 views
21.3: Making Use of Enzymes
Uses of Enzymes
1355 views
21.4: Penicillin (
Practice Test
)
Agaricus, Penicillium and Ustilago
3443 views
Procedure to Use Fermenter
1092 views
21.5: Genetic Engineering (
Practice Test
)
Role of Genetic Engineering in Crop Improvement
Biotechnology, The Genetic Engineering
11062 views
Insulin Production
1076 views
Isolating the Insulin Gene
812 views
Chapter 22 Human and The Environment (
19 videos
)
  (
Practice Test
)
22.1: Food Production
Role of Biotechnology In Agriculture, Food Production And Preservation
135 views
Role of Genetic Engineering in Crop Improvement
Selective Breeding
22.2: Habitat Destruction (
Practice Test
)
Protection and Conservation of Environment
Issues and Importance of Conservation of Biodiversity
Conservation of Biodiversity
842 views
Conservation of Wildlife
656 views
Deforestation, Soil Erosion
2459 views
22.3: Pollution (
Practice Test
)
Green House Effect
5647 views
Acid Rain
6450 views
Mechanism of Acid Rain
1945 views
Effect of Acid Rain
3475 views
Eutrophication or Algal Bloom, Industrial Effluents
22.4: Conservation (
Practice Test
)
3 R, Reduce, Reuse and Recycle
1261 views
Conservation of Biodiversity
842 views
Conservation of Wildlife
656 views
Reasons for the Conservation of Biodiversity
693 views
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