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Biology Tutorials

Biology Tutorials

  • The scientific discipline known as "biology" examines all things related to living things.
  • We hope to provide a free introduction to fundamental biological concepts. It helps us achieve our goal of making our biology tutorials accessible to everybody, no matter where they may be. Happy learning

Human biology

Difference between

  • Angiosperms and Gymnosperms Difference
  • Arteries and Veins Difference
  • Difference Between s and s Ribosomes
  • Difference Between Actin and Myosin
  • Difference Between Active and Passive Immy
  • Difference Between Active and Passive Transport
  • Difference Between Adaptation and Mitigation
  • Difference Between Aerobic and Anaerobic Bacteria
  • Difference Between Aestivation and Hibernation
  • Difference Between Afforestation and Deforestation
  • Difference Between Aids and Hiv
  • Difference Between Algae and Bryophytes
  • Difference Between Algae and Fungi
  • Difference Between Allopatric and Sympatric Speciation
  • Difference Between Amylose and Amylopectin
  • Difference Between Antigen and Antibody
  • Difference Between Antiseptic and Antibiotic
  • Difference Between Aorta and Pulmonary Artery
  • Difference Between Ape and Man
  • Difference Between Apogamy and Apospory
  • Difference Between Apoptosis and Necrosis
  • Difference Between Archaea and Bacteria
  • Difference Between Autotrophs and Heterotrophs
  • Difference Between Auxin and Gibberellin
  • Difference Between Axon and Dendrite
  • Difference Between Biology and Biochemistry
  • Difference Between Biology and Biotechnology
  • Difference Between Biology and Life Science
  • Difference Between Biology and Microbiology
  • Difference Between Biology and Physiology
  • Difference Between Biology and Zoology
  • Difference Between Biome and Ecosystem
  • Difference Between Blood and Lymph
  • Difference Between Bone and Cartilage
  • Difference Between Bony Fish and Cartilaginous Fish
  • Difference Between Brain and Mind
  • Difference Between Breathing and Respiration
  • Difference Between Bryophytes and Pteridophytes
  • Difference Between Butterfly and Caterpillar
  • Difference Between C and C Plants
  • Difference Between Cardiac Muscle and Skeletal Muscle
  • Difference Between Carpel and Pistil
  • Difference Between Cell and Tissue
  • Difference Between Cell Membrane and Plasma Membrane
  • Difference Between Centipede and Millipede
  • Difference Between Cereals and Pulses
  • Difference Between Cerebellum and Cerebrum
  • Difference Between Chlorophyll A and Chlorophyl B
  • Difference Between Chordates and Non Chordates
  • Difference Between Chromatin and Chromosomes
  • Difference Between Chromosome and Chromatid
  • Difference Between Cilia and Flagella
  • Difference Between Cofactor and Coenzyme
  • Difference Between Cold Blooded and Warm Blooded Animals
  • Difference Between Compact and Spongy Bones
  • Difference Between Corm and Bulb
  • Difference Between Cross Pollination and Self Pollination
  • Difference Between Cyclic and Noncyclic Photophosphorylation
  • Difference Between Cytoplasm and Protoplasm
  • Difference Between Cytosol and Cytoplasm
  • Difference Between Darwinism and Lamarckism
  • Difference Between Data and Information
  • Difference Between Deoxyribose and Ribose
  • Difference Between Diabetes Mellitus and Diabetes Insipidus
  • Difference Between Diapause and Hibernation
  • Difference Between Dicot and Monocot Root
  • Difference Between Diffusion and Osmosis
  • Difference Between Disinfection and Sterilization
  • Difference Between Dna and Rna
  • Difference Between Dominant and Recessive Traits
  • Difference Between Ectomycorrhizae and Endomycorrhizae
  • Difference Between Egestion and Excretion
  • Difference Between Endoskeleton and Exoskeleton
  • Difference Between Endosmosis and Exosmosis
  • Difference Between Endospore and Exospore
  • Difference Between Endotoxins and Exotoxins
  • Difference Between Environment and Ecology
  • Difference Between Environment and Ecosystem
  • Difference Between Enzymes and Hormones
  • Difference Between Epidemic and Pandemic
  • Difference Between Epidermis and Dermis
  • Difference Between Erosion and Weathering
  • Difference Between Esophagus and Trachea
  • Difference Between Essential and Nonessential Amino Acids
  • Difference Between Estrogen and Progesterone
  • Difference Between Euchromatin and Heterochromatin
  • Difference Between Exocytosis and Endocytosis
  • Difference Between Exon and Cistron
  • Difference Between Exons and Introns
  • Difference Between Fat Soluble and Water Soluble Vitamins
  • Difference Between Flora and Fauna
  • Difference Between Fog and Mist
  • Difference Between Food Chain and Food Web
  • Difference Between Fragmentation and Regeneration
  • Difference Between Frog and Toad
  • Difference Between Fungi and Lichens
  • Difference Between Gene and Allele
  • Difference Between Gene and Chromosome
  • Difference Between Gene and DNA
  • Difference Between Globular and Fibrous Protein
  • Difference Between Glottis and Epiglottis
  • Difference Between Glycolysis and Krebs Cycle
  • Difference Between Gram Positive and Gram Negative Bacteria
  • Difference Between Gram Positive and Gram Negative Cell Wall
  • Difference Between Granulocytes and Agranulocytes
  • Difference Between Grazing and Detritus Food Chain
  • Difference Between Haploid and Diploid
  • Difference Between Heart Attack and Cardiac Arrest
  • Difference Between Heart Rate and Pulse Rate
  • Difference Between Herbivores and Carnivores
  • Difference Between Herbs and Shrubs
  • Difference Between Homologous and Analogous Structures
  • Difference Between Homozygous and Heterozygous
  • Difference Between Humoral and Cell Mediated Immy
  • Difference Between Hydroponics and Aeroponics
  • Difference Between Hypertrophy and Hyperplasia
  • Difference Between Hypothesis and Theory
  • Difference Between Identical and Fraternal Twins
  • Difference Between Incomplete Dominance and Codominance
  • Difference Between Karyokinesis and Cytokinesis
  • Difference Between Kwashiorkor and Marasmus
  • Difference Between Left and Right Kidney
  • Difference Between Left and Right Ventricle
  • Difference Between Leopard and Cheetah
  • Difference Between Leopard and Jaguar
  • Difference Between Ligaments and Tendons
  • Difference Between Linkage and Crossing Over
  • Difference Between Lipids and Fats
  • Difference Between Locomotion and Movement
  • Difference Between Lytic and Lysogenic Cycle
  • Difference Between Measles and Rubella
  • Difference Between Mhc Class I and Mhc Class Ii Proteins
  • Difference Between Micronutrients and Macronutrients
  • Difference Between Mitochondria and Chloroplast
  • Difference Between Mitochondria and Plastids
  • Difference Between Mixed Cropping and Intercropping
  • Difference Between Molds and Yeasts
  • Difference Between Monocot and Dicot Leaf
  • Difference Between Monocotyledon and Dicotyledon
  • Difference Between Monocytes and Lymphocytes
  • Difference Between Monohybrid and Dihybrid
  • Difference Between Morbidity and Mortality
  • Difference Between Moth and Butterfly
  • Difference Between Nervous System and Endocrine System
  • Difference Between Neurons and Neuroglia
  • Difference Between Neurosis and Psychosis
  • Difference Between Nucleotide and Nucleoside
  • Difference Between Nucleus and Nucleoid
  • Difference Between Ocean and Sea
  • Difference Between Open and Closed Circulatory Systems
  • Difference Between Organs and Organelles
  • Difference Between Pharynx and Larynx
  • Difference Between Photosynthesis and Respiration
  • Difference Between Plant Cell and Animal Cell
  • Difference Between Plasma and Serum
  • Difference Between Plasmid Dna and Chromosomal Dna
  • Difference Between Pollination and Fertilization
  • Difference Between Polyp and Medusa
  • Difference Between Primary and Secondary Succession
  • Difference Between Primary Lymphoid Organs and Secondary Lymphoid Organs
  • Difference Between Prokaryotic and Eukaryotic DNA
  • Difference Between Prokaryotic and Eukaryotic Replication
  • Difference Between Prokaryotic and Eukaryotic Transcription
  • Difference Between Prokaryotic and Eukaryotic Translation
  • Difference Between Protostomes and Deuterostomes
  • Difference Between Purines and Pyrimidines
  • Difference Between Rabi and Kharif Crops
  • Difference Between Radicle and Plumule
  • Difference Between Rbc and Wbc
  • Difference Between Red and White Muscle
  • Difference Between Renewable and Non Renewable Resources
  • Difference Between Replication and Transcription
  • Difference Between Respiration and Combustion
  • Difference Between Rhizome and Tuber
  • Difference Between Right and Left Lung
  • Difference Between Rust and Smut
  • Difference Between Saturated and Unsaturated Fats
  • Difference Between Secretion and Excretion
  • Difference Between Sensory and Motor Neurons
  • Difference Between Simple and Complex Tissue
  • Difference Between Sleep and Hibernation
  • Difference Between Small Intestine and Large Intestine
  • Difference Between Smooth Endoplasmic Reticulum and Rough Endoplasmic Reticulum
  • Difference between Species, Population, and Community
  • Difference Between Sperm and Ovum
  • Difference Between Spermatogenesis and Oogenesis
  • Difference Between Sporophyte and Gametophyte
  • Difference Between Sympathetic and Parasympathetic
  • Difference Between T Cells and B Cells
  • Difference Between Thorns and Spines
  • Difference Between Tissues and Organs
  • Difference Between Tracheids and Vessels
  • Difference Between Transpiration and Evaporation
  • Difference Between Transpiration and Guttation
  • Difference between Turner Syndrome and Klinefelter Syndrome
  • Difference Between Turtles and Tortoises
  • Difference Between Unicellular and Multicellular Organisms
  • Difference Between Upper and Lower Motor Neurons
  • Difference Between Vaccination and Immunization
  • Difference Between Venom and Poison
  • Difference Between Virus and Bacteria
  • Difference Between Vitamin D and D
  • Difference Between Vitamins and Minerals
  • Difference Between Voluntary and Involuntary Muscles
  • Difference Between Wildlife Sanctuary and National Park
  • Difference Between Xylem and Phloem
  • Differences Between Catabolism and Anabolism
  • Differences Between Innate and Adaptive Immy
  • Differences Between Monocot and Dicot Stem
  • Differences Between Reptiles and Amphibians
  • Genotype and Phenotype Difference
  • Invertebrate and Vertebrate Difference
  • What Is Difference Between Hypotonic and Hypertonic Solution
  • What Is The Difference Between An Animal That Is A Regulator and one That Is A Conformer
  • What Is The Difference Between Cytogenetics and Molecular Genetics

Cell

  • Animal Cell
  • Cell Biology
  • Cell Biology Mcqs
  • Cell Cycle and Cell Division Mcq
  • Cell Cycle and Cell Division
  • Cell Division
  • Cell Organelles
  • Cell Organization
  • Cell Signalling
  • Cell Wall
  • Cell Wall and Cell Membrane
  • Cells
  • Cells Size Shape Count
  • Cellular Respiration
  • Cellular Respiration Aerobic Anaerobic
  • Cellular Respiration Concept Map
  • Cellulose In Digestion
  • Competent Cells
  • Diagram of Animal Cell
  • Discovery of Cells
  • Energy Currency of The Cell
  • Eukaryotic Cells
  • Facts About Animal Cell
  • Fungal Cell Wall
  • Length of Nerve Cell
  • Meiosis Cell Division
  • Meiosis In onion Bud Cell Or Grasshopper Testis Through Permanent Slide
  • Meiosis Ll Cell Division
  • Mitosis Cell Division
  • Multicellular Organisms
  • Plant Cell
  • Prokaryotic and Eukaryotic Cells
  • Prokaryotic Cells
  • Single Cell Protein
  • Stem Cells
  • Study of Mitosis In onion Root Tip Cells
  • Study of Tissues and Diversity In Shapes and Sizes of Plant and Animal Cells
  • Types of White Blood Cells
  • Unicellular Organisms
  • What Is Cell Envelope
  • Why is Cell Division Necessary?
  • Growth and Development of an organism

Energy, Enzymes and membrane

  • Biomass Definition Energy Source
  • Endomembrane System
  • Energy Flow In Ecosystem
  • Nuclear Membrane
  • Plasma Membrane
  • Plasma Membrane Definition
  • Applications of Enzymes
  • Digestive Enzymes
  • Dna Replication Machinery Enzymes
  • Enzymes
  • Restriction Enzymes
  • Role of Digestive Enzymes

Plant

  • Animal Tissue Vs Plant Tissue
  • Are We Not Lucky That Plants Reproduce Sexually
  • Artificial Hybridization Plants
  • Asexual Reproduction in Plants
  • Biodiversity In Plants and Animals
  • Classification of Plants
  • Different Modes Plant Reproduction
  • Effects of Air Pollution on Plants
  • Excretion Plants
  • Facts About Nutrition In Plants
  • Fertilization and Implantation
  • Fertilization In Plants
  • Food Sources Animal Plant Products
  • Getting To Know Plants
  • Gibberellins In Plants
  • Grassland Dominant Plants
  • How Do Plants Reproduce Short Answer
  • Implantation
  • Insectivorous Plants
  • Isolate Dna From Available Plant Material Such As Spinach Green Pea Seeds Papaya
  • Kingdom Animalia Plantae and Viruses
  • Mcqs on Plant Kingdom
  • Mendelian Inheritance Using Seeds of Different Colours Sizes of Any Plant
  • Monocot Dicot Plants Anatomy
  • Morphological Adaptations of Two Aquatic Plants and Animals
  • Morphological Adaptations of Two Plants and Two Animals Found In Xeric Conditions
  • Morphology of Flowering Plants
  • Morphology of Flowering Plants Mcq
  • Nutrition In Plants
  • Parts of Plants
  • Phases of Growth In Plants
  • Photorespiration C C Plants
  • Photosynthesis In Higher Plants
  • Plant Anatomy Mcqs
  • Plant Breeding
  • Plant Fibres
  • Plant Growth and Development Mcq
  • Plant Growth and Its Development
  • Plant Growth Regulators
  • Plant Kingdom Plantae
  • Plant Life Cycle and Alternation of Generations
  • Plant Morphology Mcqs
  • Plant Physiology
  • Plant Respiration
  • Plant Tissue Culture
  • Plant Tissue Culture Mcq
  • Plant Tissue System
  • Plant Water Relations
  • Plantae Animalia Viruses
  • Plants
  • Plants Differentiation and Developmental
  • Reforestation Planting Trees
  • Reproduction In Flowering Plants Mcqs
  • Reproduction In Plants
  • Respiration In Plants Mcq
  • Scientific Names of Animals and Plants
  • Separation of Plant Pigments Through Paper Chromatography
  • Sexual Reproduction In Flowering Plants
  • Sexual Reproduction Plants
  • Study and Description of Three Locally Available Flowering Plants Families Solanaceae Fabacceae and Liliaceae
  • Study The Plant Population Density By Quadrat Method
  • Study The Plant Population Frequency By Quadrat Method
  • Test For The Presence of Sugar Starch Proteins and Fats Detection In Suitable Plant and Animal Materials
  • The Classification of Plants
  • Transport In Plants Mcq
  • Transportation In Animals and Plants
  • Transportation In Plants
  • Tropic Movements In Plants
  • Uses of Plants For Class 2
  • Why are Plants Green?

Botanical Name

Biodiversity

Symptoms, diseases

  • Acidity Symptoms Causes and Risk Factors involved
  • Acute and Chronic Diseases
  • Anemia Symptoms
  • Anxiety Symptoms
  • Appendicitis - Formation, Symptoms, Treatment
  • Arthritis Symptoms
  • Asthma Symptoms
  • Blood Cancer Symptoms
  • Blood Pressure Symptoms
  • Brain Diseases
  • Brain Tumor Symptoms
  • Calcium Deficiency Symptoms
  • Chicken Pox Symptoms
  • Chronic Disease and Poor Health
  • Colon Cancer Symptoms
  • Common Disease Causing Organisms Like Ascaris Entamoeba Plasmodium Ringworm Through Permanent Slide Or Specimens Comment on Symptoms of Diseases That They Cause
  • Coronary Artery Disease
  • Creutzfeldt Jakob Disease Cjd
  • Deadliest Pandemic Diseases to Ever Occur
  • Deficiency Diseases
  • Deficiency Symptoms
  • Dehydration Symptoms
  • Dengue Symptoms
  • Depression Symptoms
  • Diabetes Its Symptoms
  • Diseases
  • Diseases Communicable Non Communicable
  • Endemic Diseases
  • Epidemic and Pandemic Diseases
  • Eye Diseases
  • Fatty Liver Symptoms
  • Fever Symptoms
  • Flu Symptoms
  • Food Poisoning Introduction Symptoms Food Preservation
  • Food Poisoning Symptoms
  • Gastric Symptoms
  • Gerd Symptoms
  • Germ Theory of Disease
  • Health Diseases
  • Heart Attack Symptoms
  • Heart Diseases
  • Hernia Symptoms
  • High Bp Symptoms
  • Hypertension Symptoms
  • Hyperthyroidism Symptoms
  • Hypothyroidism Symptoms
  • Ibs Symptoms
  • Infectious Diseases
  • Jaundice Symptoms
  • Kidney Failure Symptoms
  • Kidney Infection Symptoms
  • Kidney Stone Symptoms
  • Low Bp Symptoms
  • Lung Cancer Symptoms
  • Lung Diseases
  • Lysosomal Storage Disease
  • Malaria Symptoms
  • Menopause Symptoms
  • Microbes Vs Disease
  • Migraine Symptoms
  • Modes of Transmission of Diseases
  • Nervous System Diseases
  • Nipah Symptoms
  • Paralysis Symptoms
  • Piles Symptoms
  • Pneumonia Symptoms
  • Psoriasis Symptoms
  • Sexually Transmitted Diseases Stds
  • Sinusitis Symptoms
  • Skin Cancer Symptoms
  • Stomach Ulcer Symptoms
  • Stroke Symptoms
  • Symptoms of Liver Problems
  • Symptoms of Thyroid
  • Symptoms of Typhoid
  • Symptoms of Various Diseases
  • Throat Cancer Symptoms
  • Tuberculosis Symptoms
  • Type Diabetes Symptoms
  • Ulcer Symptoms
  • Uric Acid Symptoms
  • Urine Infection Symptoms
  • Vector Borne Diseases
  • Viral Fever Symptoms
  • Virus Viral Diseases
  • Vitamin BDeficiency Symptoms
  • Vitamin D Deficiency Symptoms
  • What Are Diseases Caused By Bacteria
  • Colour Blindness
  • Common Cold
  • Dengue
  • Aids
  • Aids and Hiv
  • Arthritis
  • Blood Cancer
  • Cancer
  • What is Amniocentesis?
  • Hormones Heart Kidney GI

Causes

How, What and why

  • How Are Clouds Formed
  • How Can We Conserve Water
  • How Do Organisms Reproduce
  • How Do Our Activities Affect The Environment
  • How Do We Know How Old The Fossils Are?
  • How Does A Test Cross Help In Identifying The Genotype
  • How Does The Circulatory System Work
  • How Does Your Reproductive System Work
  • How Insects Walk on Water?
  • How Is Parthenocarpy Done
  • How Is The Embryo Sac Formed
  • How Many Types of Environment Are There
  • How Many Types of Organisms Are There
  • Preparing A Temporary Mount of A Leaf Peel To Show Stomata
  • What are Blood Vessels
  • What are Fossils?
  • What Are Living Organisms Made Up of
  • What are the 2Bones of The Skull
  • What Are The Benefits of Reproductive Health
  • What Are The Different Fields of Ecology
  • What Are The Three Laws of Inheritance
  • What Are The Types of Interactions Between Organisms
  • What Does Dna Do To Evolution
  • What Happens to the Body After Permanent Cessation
  • What Is A Natural Ecosystem
  • What Is Adaptation
  • What Is An Endothermic Animal
  • What Is Biotechnology
  • What Is Decomposition
  • What Is Evolution Short Answer
  • What is Life?
  • What Is Living
  • What Is Photosynthesis
  • What is Plasma in Blood?
  • What Is Pollination
  • What Is Soil
  • What Is The Meaning of Rch
  • What Is The Molecular Basis of Mutation
  • What Is The Process of Biotechnology
  • What Is Tissue
  • What is Translation in Biology
  • What Is Triple Fusion
  • Why are Carbon and Its Compounds Used As Fuels?
  • Why are Living Organisms Classified
  • Why Arteries Have Thick Walls
  • Why do Birds Have Hollow Bones?
  • Why Do We Fall ?
  • Why Do We Respire ?
  • Why Does Food Taste Bland When You Have A Cold?
  • Why is Dna Negatively Charged?

Facts

  • Facts About Algae
  • Facts About Angiosperms
  • Facts About Animals
  • Facts About Bacteria
  • Facts About Biofuels
  • Facts About Biogas
  • Facts About Blood
  • Facts About Blood Group
  • Facts About Brain
  • Facts About Carbohydrates
  • Facts About Cholesterol
  • Facts About Colour Blindness
  • Facts About Evolution
  • Facts About Eye
  • Facts About Fertilizers
  • Facts About Genes
  • Facts About Heart
  • Facts About Kidneys
  • Facts About Liver
  • Facts About Lungs
  • Facts About Mitochondria
  • Facts About Nervous System
  • Facts About Nutrients
  • Facts About Octopus
  • Facts About Physiology
  • Facts About Stomach
  • Facts About Teeth
  • Facts About Tongue
  • Facts About Vitamin B
  • Facts About Vitamins and Minerals
  • Facts About Water
  • Herbivores Facts
  • Interesting Facts About The Heart

Types

  • Animal Tissue Types
  • Different Types Ecological Pyramids
  • Fruit Formation Parts Types
  • Leaves Morphology Types Modification
  • Population and Its Types
  • Study and Identification of Different Types of Inflorescence
  • Types of Joints
  • Types of Movement
  • Types of Pollination
  • Types of Pollution
  • Types of Receptors
  • Types of Reflexes
  • Types of Soil
  • Types of Synthetic Fibers
  • Types of Waste
  • Vitamins Types Sources

Other Topics

Bio Articles (Alphabetic order)