Biology | Class 12

Select a chapter above and press 'Show Content'. Click a video topic below to view.

    Chapter 14 Respiration ( 24 videos)  (Practice Test)

      14.1: Properties of Respiratory Surfaces (Practice Test)
      Properties of Respiratory Surfaces
    1. Properties of Respiratory Surfaces
      13106 views
      14.2: Respiratory System of Man (Practice Test)
      Upper Respiratory Tract (Nose)
    1. Upper Respiratory Tract (Nose)
      11024 views
      2. Pharynx
    2. Pharynx
      14559 views
      3. Lower Respiratory Tract (Larynx and Trachea)
    3. Lower Respiratory Tract (Larynx and Trachea)
      5760 views
      4. Bronchi and Bronchioles
    4. Bronchi and Bronchioles
      5698 views
      5. Alveolar Ducts and Alveoli
    5. Alveolar Ducts and Alveoli
      6. External Structure of Lungs
    6. External Structure of Lungs
      7. Mechanism of Breathing in Man
    7. Mechanism of Breathing in Man
      1398 views
      8. Inspiration (Inhalation)
    8. Inspiration (Inhalation)
      705 views
      9. Expiration
    9. Expiration
      469 views
      10. Lungs Volumes and Capacities
    10. Lungs Volumes and Capacities
      1288 views
      11. Control of Breathing (Ventilation)
    11. Control of Breathing (Ventilation)
      5882 views
      14.3: Transport of Gases (Practice Test)
      Transport of Oxygen
    1. Transport of Oxygen
      1438 views
      2. Transport of (CO2)
    2. Transport of (CO2)
      5655 views
      3. As Carboxyhemoglobin, As a Dissolved Carbon Dioxide in Plasma
    3. As Carboxyhemoglobin, As a Dissolved Carbon Dioxide in Plasma
      2101 views
      4. Myoglobin
    4. Myoglobin
      1443 views
      5. Haemoglobin
    5. Haemoglobin
      1384 views
      14.4: Respiratory Disorders (Practice Test)
      Upper Respiratory Disorder, Sinusitis
    1. Upper Respiratory Disorder, Sinusitis
      798 views
      2. Otitis Media
    2. Otitis Media
      795 views
      3. Pneumonia, Asthma
    3. Pneumonia, Asthma
      8607 views
      4. Pulmonary Tuberculosis (T.B)
    4. Pulmonary Tuberculosis (T.B)
      1828 views
      5. Emphysema
    5. Emphysema
      2909 views
      6. Lung Cancer
    6. Lung Cancer
      7688 views
      7. Bad effect of Smoking
    7. Bad effect of Smoking
      4565 views

    Chapter 15 Homeostasis ( 31 videos)  (Practice Test)

      15.1: Osmoregulation (Practice Test)
      Osmoregulation in Animals
    1. Osmoregulation in Animals
      17204 views
      2. Osmoregulation in Different Environments
    2. Osmoregulation in Different Environments
      12639 views
      3. Marine Environment
    3. Marine Environment
      8056 views
      4. Terrestrial Environment
    4. Terrestrial Environment
      5959 views
      15.2: Excretion (Practice Test)
      Nature of Excretory Products in Relation to Habitats
    1. Nature of Excretory Products in Relation to Habitats
      7312 views
      2. Urea
    2. Urea
      5312 views
      3. Uric Acid
    3. Uric Acid
      6574 views
      15.3: Excretory System of Man (Practice Test)
      Excretory Organs in Vertebrates, Nephrons, Kidney
    1. Excretory Organs in Vertebrates, Nephrons, Kidney
      6528 views
      2. Urinary System
    2. Urinary System
      9245 views
      3. Structure of Kidney
    3. Structure of Kidney
      49113 views
      4. Nephron
    4. Nephron
      11277 views
      5. Blood Circulation to Nephron
    5. Blood Circulation to Nephron
      6650 views
      6. Types of Nephron
    6. Types of Nephron
      7109 views
      7. Role of Kidney
    7. Role of Kidney
      27826 views
      8. Function of Kidney
    8. Function of Kidney
      9917 views
      9. Urea Formation, Kidney Filtration
    9. Urea Formation, Kidney Filtration
      3968 views
      10. Concentration of Excretory Product
    10. Concentration of Excretory Product
      4743 views
      11. Effects of Hormones on The Working of Kidney
    11. Effects of Hormones on The Working of Kidney
      4107 views
      12. Kidney as Osmoregulatory Organ
    12. Kidney as Osmoregulatory Organ
      12046 views
      15.4: Disorders of Urinary Tract (Practice Test)
      Urinary Tract Infections
    1. Urinary Tract Infections
      3371 views
      2. Formation of Stones in Kidney
    2. Formation of Stones in Kidney
      4168 views
      3. Renal Failure
    3. Renal Failure
      13435 views
      4. Lithotripsy
    4. Lithotripsy
      3666 views
      5. Peritoneal Dialysis
    5. Peritoneal Dialysis
      20631 views
      6. Kidney Transplant
    6. Kidney Transplant
      5706 views
      7. Treatment of Malfunctioned Kidneys
    7. Treatment of Malfunctioned Kidneys
      2333 views
      15.5: Thermoregulation (Practice Test)
      Temperature Classification of Animals
    1. Temperature Classification of Animals
      6239 views
      2. Classification of Animals on the Basis of Heat Production
    2. Classification of Animals on the Basis of Heat Production
      3. Regulation of Heat Exchange Between Animals and Environment
    3. Regulation of Heat Exchange Between Animals and Environment
      4544 views
      4. Regulatory Strategies
    4. Regulatory Strategies
      3674 views
      5. Thermostat Function and Feedback Controls in Human and Fever
    5. Thermostat Function and Feedback Controls in Human and Fever
      3770 views

    Chapter 16 Support And Locomotion ( 38 videos)  (Practice Test)

      16.1: Human Skeleton (Practice Test)
      Bones
    1. Bones
      10019 views
      2. Cartilages
    2. Cartilages
      6653 views
      3. Human Skeleton, Axial Skeleton
    3. Human Skeleton, Axial Skeleton
      38474 views
      4. Skull
    4. Skull
      3485 views
      5. Ribs
    5. Ribs
      2583 views
      6. Vertebral Column
    6. Vertebral Column
      9 views
      7. Appendicular Skeleton
    7. Appendicular Skeleton
      3189 views
      8. Pelvic Girdle
    8. Pelvic Girdle
      3262 views
      9. Hind Limb
    9. Hind Limb
      10. Types of Joints
    10. Types of Joints
      11695 views
      11. More on Joints
    11. More on Joints
      3205 views
      12. Synovial Joint
    12. Synovial Joint
      4692 views
      16.2: Disorders of Skeleton (Practice Test)
      Disc-Slip
    1. Disc-Slip
      6459 views
      2. Spondylosis
    2. Spondylosis
      3761 views
      3. Sciatica
    3. Sciatica
      4201 views
      4. Genetic Causes
    4. Genetic Causes
      3619 views
      5. Hormonal Causes of Skeleton Deformities
    5. Hormonal Causes of Skeleton Deformities
      3743 views
      6. Arthritis and Its Types
    6. Arthritis and Its Types
      5826 views
      7. Arthritis and Its Types
    7. Arthritis and Its Types
      1679 views
      8. Repair of Broken Bones
    8. Repair of Broken Bones
      8478 views
      9. Joint Injuries
    9. Joint Injuries
      16.3: Muscles (Practice Test)
      Muscular System
    1. Muscular System
      4186 views
      2. Muscles and Movements
    2. Muscles and Movements
      7571 views
      3. Smooth and Cardiac Muscles
    3. Smooth and Cardiac Muscles
      4437 views
      4. Skeletal Muscles, Skeletal Muscle Fibre
    4. Skeletal Muscles, Skeletal Muscle Fibre
      12189 views
      5. More on Skeletal Muscles, Skeletal Muscle Fibre
    5. More on Skeletal Muscles, Skeletal Muscle Fibre
      8763 views
      6. Ultrastructure of Myofilament
    6. Ultrastructure of Myofilament
      6912 views
      7. Sliding Filament Model
    7. Sliding Filament Model
      8807 views
      8. How Bridges are Controlled?
    8. How Bridges are Controlled?
      5968 views
      9. Controlling the Actin-Myosin Interaction by Ca++ Ions
    9. Controlling the Actin-Myosin Interaction by Ca++ Ions
      11088 views
      10. Arrangement of Skeletal Muscles for Skeletal Movement
    10. Arrangement of Skeletal Muscles for Skeletal Movement
      4024 views
      11. Origin, Insertion, Belly, Ligaments and Tendons
    11. Origin, Insertion, Belly, Ligaments and Tendons
      3142 views
      12. Principle of Leverage and an Elbow Joint
    12. Principle of Leverage and an Elbow Joint
      2456 views
      13. Roles of Tendons and Ligaments
    13. Roles of Tendons and Ligaments
      6211 views
      14. Movement in Knee Joint
    14. Movement in Knee Joint
      15. Defects of Skeletal System, Osteoporosis, Dislocation of Joints
    15. Defects of Skeletal System, Osteoporosis, Dislocation of Joints
      1329 views
      16. Energy for Muscle Contraction
    16. Energy for Muscle Contraction
      6576 views
      17. Tetany and Cramp
    17. Tetany and Cramp
      14328 views

    Chapter 17 Nervous Coordination ( 36 videos)  (Practice Test)

      17.1: Neurons (Practice Test)
      Stimuli, Receptors, Effectors, Response
    1. Stimuli, Receptors, Effectors, Response
      16832 views
      2. Coordinated Action, Stimuli, Receptors
    2. Coordinated Action, Stimuli, Receptors
      14790 views
      3. Steps Involved in Coordination
    3. Steps Involved in Coordination
      3863 views
      4. Coordinators, Effectors and Response
    4. Coordinators, Effectors and Response
      5570 views
      5. Nerve cell or Neuron
    5. Nerve cell or Neuron
      14832 views
      6. Nerve Types
    6. Nerve Types
      6815 views
      7. Neuron Types
    7. Neuron Types
      10302 views
      8. Nervous Tissue
    8. Nervous Tissue
      3224 views
      9. Reflex Action
    9. Reflex Action
      10745 views
      17.2: Nerve Impulse
      Nerve Impulse
    1. Nerve Impulse
      12246 views
      2. Generation and Transmission of Nerve Impulse
    2. Generation and Transmission of Nerve Impulse
      3. Refractory Period of Neuron
    3. Refractory Period of Neuron
      4. Velocities of Nerve Impulse
    4. Velocities of Nerve Impulse
      17.3: Synapse (Practice Test)
      Synapse
    1. Synapse
      11029 views
      2. Classification of Neurotransmitters
    2. Classification of Neurotransmitters
      17.4: Basic Organization of Human Nervous system (Practice Test)
      The Divisions of Brain, Forebrain
    1. The Divisions of Brain, Forebrain
      10596 views
      2. The Divisions of Brain, Forebrain
    2. The Divisions of Brain, Forebrain
      38557 views
      3. Midbrain and Hindbrain
    3. Midbrain and Hindbrain
      11262 views
      4. Spinal Cord
    4. Spinal Cord
      13955 views
      5. Peripheral Nervous System
    5. Peripheral Nervous System
      29672 views
      6. More on Peripheral Nervous System
    6. More on Peripheral Nervous System
      2975 views
      7. Other Senses, Smell, Taste and Touch
    7. Other Senses, Smell, Taste and Touch
      2404 views
      8. Working of Sensory Receptors With Special Reference to Skin
    8. Working of Sensory Receptors With Special Reference to Skin
      4786 views
      17.5: Effects of Drugs on Nervous Coordination (Practice Test)
      Effects of Drugs on Nervous Coordination
    1. Effects of Drugs on Nervous Coordination
      2. Narcotic Drugs
    2. Narcotic Drugs
      3. Narcotics, Heroin, Cocaine
    3. Narcotics, Heroin, Cocaine
      3371 views
      4. Nicotine and Alcohol
    4. Nicotine and Alcohol
      2563 views
      5. Drug Addiction And Drug Tolerance
    5. Drug Addiction And Drug Tolerance
      6. Effects of Drugs On Nervous Coordination
    6. Effects of Drugs On Nervous Coordination
      17.6: Disorders of Nervous System And Diagnostic Tests (Practice Test)
      Stroke
    1. Stroke
      849 views
      2. Meningitis
    2. Meningitis
      1315 views
      3. Brain Tumour
    3. Brain Tumour
      1249 views
      4. Headache
    4. Headache
      1311 views
      5. Epilepsy
    5. Epilepsy
      2577 views
      6. Alzheimer's Disease
    6. Alzheimer's Disease
      3664 views
      7. Electroencephalography
    7. Electroencephalography
      419 views

    Chapter 18 Chemical Coordination ( 11 videos)  (Practice Test)

      18.1: Hormones- The Chemical Messengers (Practice Test)
      Chemical Nature of Hormone
    1. Chemical Nature of Hormone
      5946 views
      2. Mode of Hormone Action
    2. Mode of Hormone Action
      4163 views
      18.2: Endocrine System of Man (Practice Test)
      Important endocrine gland
    1. Important endocrine gland
      9123 views
      2. Pituitary Gland
    2. Pituitary Gland
      7291 views
      3. Pituitary's Median Lobe and Posterior Lobe
    3. Pituitary's Median Lobe and Posterior Lobe
      4164 views
      4. Thyroid Gland
    4. Thyroid Gland
      10441 views
      5. Parathyroid
    5. Parathyroid
      7905 views
      6. Pancreas
    6. Pancreas
      10728 views
      7. Adrenal Gland
    7. Adrenal Gland
      9392 views
      8. Gonads
    8. Gonads
      8639 views
      18.3: Feed Back Mechanism
      Feedback Mechanism
    1. Feedback Mechanism
      11601 views

    Chapter 19 Behavior ( 10 videos)  (Practice Test)

      19.1: The Nature of Behavior (Practice Test)
      Relationship Between Stimuli and Behaviour
    1. Relationship Between Stimuli and Behaviour
      2930 views
      2. Relationship Between Heredity and Behaviour
    2. Relationship Between Heredity and Behaviour
      3. Biological Clocks and Circadian Rhythms
    3. Biological Clocks and Circadian Rhythms
      11435 views
      19.2: Innate Behavior (Inborn Or Instinctive Behavior) (Practice Test)
      Innate Behaviour
    1. Innate Behaviour
      11098 views
      2. Non - Orientation Behaviour
    2. Non - Orientation Behaviour
      5102 views
      3. More on Non-Orientation Behaviour
    3. More on Non-Orientation Behaviour
      3243 views
      19.3: Learning (Practice Test)
      Learning
    1. Learning
      13699 views
      2. More on Learning
    2. More on Learning
      6450 views
      19.4: Social Behavior (Practice Test)
      Social Behaviour
    1. Social Behaviour
      5783 views
      2. More on Social Behaviour
    2. More on Social Behaviour
      4261 views

    Chapter 20 Reproduction ( 13 videos)  (Practice Test)

      20.1: Reproductive System of Man (Practice Test)
      Male Reproductive System
    1. Male Reproductive System
      15700 views
      2. More on Structure of Male Reproductive System
    2. More on Structure of Male Reproductive System
      6253 views
      3. Function of Male Reproductive System
    3. Function of Male Reproductive System
      5346 views
      4. Hormonal Control of Male Reproductive System
    4. Hormonal Control of Male Reproductive System
      5499 views
      5. Female Reproductive System
    5. Female Reproductive System
      15779 views
      6. Function of Female Reproductive System
    6. Function of Female Reproductive System
      8878 views
      7. Menstrual Cycle
    7. Menstrual Cycle
      14343 views
      8. Hormonal Control of Reproductive Cycles
    8. Hormonal Control of Reproductive Cycles
      6842 views
      20.2: Disorders of Reproductive System
      Causes of male infertility
    1. Causes of male infertility
      2. Causes of female infertility
    2. Causes of female infertility
      3. Treatment of Infertility (In Vitro Fertilization)
    3. Treatment of Infertility (In Vitro Fertilization)
      4. Miscarriage
    4. Miscarriage
      20.3: Sexually Transmitted Diseases (STDs) (Practice Test)
      AIDS, A Sexually Transmitted Disease
    1. AIDS, A Sexually Transmitted Disease
      7203 views

    Chapter 21 Development and Aging ( 23 videos)  (Practice Test)

      21.1: Embryonic Development (Practice Test)
      Embryo, Embryology and Cleavage
    1. Embryo, Embryology and Cleavage
      7826 views
      2. Different Patterns of Cleavage Based Upon Amount of Yolk
    2. Different Patterns of Cleavage Based Upon Amount of Yolk
      19733 views
      3. Gastrulation
    3. Gastrulation
      41646 views
      4. Neurulation in Human Embryo
    4. Neurulation in Human Embryo
      11165 views
      5. Formation of Neural Crest And its Role in Development
    5. Formation of Neural Crest And its Role in Development
      4431 views
      21.2: Control of Development (Practice Test)
      Hans Spemann's Experiment
    1. Hans Spemann's Experiment
      8604 views
      2. Roux-Weismann Hypothesis and Hans Driesch's Experiment
    2. Roux-Weismann Hypothesis and Hans Driesch's Experiment
      4013 views
      3. Embryonic Induction Experiment No. 1
    3. Embryonic Induction Experiment No. 1
      18497 views
      4. Embryonic Induction (Second Experiment)
    4. Embryonic Induction (Second Experiment)
      9140 views
      5. Embryonic Induction (Third Experiment)
    5. Embryonic Induction (Third Experiment)
      16145 views
      21.3: Human Embryonic Development (Practice Test)
      Human Embryonic Development
    1. Human Embryonic Development
      5693 views
      2. Development of Human in First Trimester
    2. Development of Human in First Trimester
      3. Placenta Development, Events of Organogenesis
    3. Placenta Development, Events of Organogenesis
      4. Identical Twins
    4. Identical Twins
      5. Second Trimester and Third Trimester
    5. Second Trimester and Third Trimester
      6. The Placenta
    6. The Placenta
      21.4: Birth And Nursing
      Role of Hormones In Controlling Birth
    1. Role of Hormones In Controlling Birth
      2. Labour Process, Clamping And Cutting of Umbilical Cord
    2. Labour Process, Clamping And Cutting of Umbilical Cord
      3. Lactation/Nursing
    3. Lactation/Nursing
      21.5: Disorders During Embryonic Development
      Disorders During Embryonic Development
    1. Disorders During Embryonic Development
      2. Neural Tube Defects
    2. Neural Tube Defects
      3. Limb Development Defects and Thyroid Gland
    3. Limb Development Defects and Thyroid Gland
      21.6: Aging
      Signs And Symptoms of Aging
    1. Signs And Symptoms of Aging

    Chapter 22 Inheritance ( 39 videos)  (Practice Test)

      22.1: Mendelian Inheritance (Practice Test)
      Mendel’s Law of Segregation
    1. Mendel’s Law of Segregation
      28037 views
      2. Mendel’s Law of Independent Assortment
    2. Mendel’s Law of Independent Assortment
      19410 views
      3. Mendel's Interpretation
    3. Mendel's Interpretation
      5460 views
      4. Statistics and Probability Relevant to Genetics
    4. Statistics and Probability Relevant to Genetics
      5. Punnet Square, Test Cross
    5. Punnet Square, Test Cross
      4894 views
      22.2: Exceptions To Mendelian Inheritance (Practice Test)
      Complete Dominance
    1. Complete Dominance
      5375 views
      2. Incomplete Dominance
    2. Incomplete Dominance
      8390 views
      3. Codominance
    3. Codominance
      8185 views
      4. Multiple Alleles
    4. Multiple Alleles
      7716 views
      22.3: Blood Group Systems (Practice Test)
      ABO-Blood Group System
    1. ABO-Blood Group System
      9962 views
      2. Rh Blood Group System
    2. Rh Blood Group System
      675 views
      3. Erythroblastosis Fetalis
    3. Erythroblastosis Fetalis
      8852 views
      22.4: Polygenetic Inheritance And Epistasis (Practice Test)
      Wheat Grain Colour
    1. Wheat Grain Colour
      4859 views
      2. Human Skin Colour
    2. Human Skin Colour
      3448 views
      3. Epistasis
    3. Epistasis
      9802 views
      4. Qualitative Traits
    4. Qualitative Traits
      5211 views
      5. Quantitative Traits
    5. Quantitative Traits
      5334 views
      6. Coat Colour in Labrador Retriever
    6. Coat Colour in Labrador Retriever
      7. Inheritance of Flower Colour (Pigment Phenotype) of Sweet pea (Lathyrus Odoratus)
    7. Inheritance of Flower Colour (Pigment Phenotype) of Sweet pea (Lathyr
      22.5: Gene Linkage And Crossing Over (Practice Test)
      Gene Linkage
    1. Gene Linkage
      11098 views
      2. Sex Linkage in Drosophila
    2. Sex Linkage in Drosophila
      12208 views
      3. Crossing Over
    3. Crossing Over
      24910 views
      4. Genetic Recombination
    4. Genetic Recombination
      7696 views
      22.6: Sex Determination (Practice Test)
      Sex Determination, Chromosome in Drosophila
    1. Sex Determination, Chromosome in Drosophila
      5522 views
      2. Chromosome in Man
    2. Chromosome in Man
      2013 views
      3. Comparison of Chromosomal Determination of Sex Between Drosophila and Humans
    3. Comparison of Chromosomal Determination of Sex Between Drosophila and
      4292 views
      4. Patterns of Sex Determination
    4. Patterns of Sex Determination
      3770 views
      22.7: Sex-Linkage (Practice Test)
      Sex Linkage
    1. Sex Linkage
      1374 views
      2. Sex Linkage in Drosophila
    2. Sex Linkage in Drosophila
      12208 views
      3. Sex-Linkage in Human
    3. Sex-Linkage in Human
      3958 views
      4. X- Linked Recessive Inheritance
    4. X- Linked Recessive Inheritance
      4883 views
      5. X- Linked Dominant Inheritance
    5. X- Linked Dominant Inheritance
      5677 views
      6. Y- Linked Inheritance
    6. Y- Linked Inheritance
      4588 views
      7. Haemophilia
    7. Haemophilia
      4161 views
      8. More on Haemophilia
    8. More on Haemophilia
      2149 views
      9. Sex Linked Inheritance, Colour Blindness
    9. Sex Linked Inheritance, Colour Blindness
      8494 views
      10. Night blindness and Color Blindness
    10. Night blindness and Color Blindness
      3056 views
      11. Genetics of Muscular Dystrophy
    11. Genetics of Muscular Dystrophy
      12. Sex Limited Trait, Sex Influenced Trait
    12. Sex Limited Trait, Sex Influenced Trait
      7895 views

    Chapter 23 Chromosomes And DNA ( 28 videos)  (Practice Test)

      23.1: Chromosomal Theory of Inheritance (Practice Test)
      The Chromosomal Theory of Inheritance
    1. The Chromosomal Theory of Inheritance
      27027 views
      2. Types of Chromosomes
    2. Types of Chromosomes
      14095 views
      3. Composition of Chromosome
    3. Composition of Chromosome
      25284 views
      4. Chromosomes, Genes and DNA
    4. Chromosomes, Genes and DNA
      14952 views
      5. Organisms Have Number of Chromosomes Specific to Their Species
    5. Organisms Have Number of Chromosomes Specific to Their Species
      4415 views
      6. Number and Structure of Chromosome
    6. Number and Structure of Chromosome
      14313 views
      23.2: DNA as the Hereditary Material (Practice Test)
      DNA as Hereditary Material, Vehicle
    1. DNA as Hereditary Material, Vehicle
      13921 views
      2. More on DNA as Hereditary Material, Vehicle
    2. More on DNA as Hereditary Material, Vehicle
      10170 views
      23.3: DNA Replication (Practice Test)
      Types of Replication
    1. Types of Replication
      5830 views
      2. Replication of DNA
    2. Replication of DNA
      16059 views
      3. The Meselson-Stahl Experiment
    3. The Meselson-Stahl Experiment
      13174 views
      4. Mechanism of DNA Replication
    4. Mechanism of DNA Replication
      33400 views
      5. More on Mechanism of DNA Replication
    5. More on Mechanism of DNA Replication
      11768 views
      23.4: Gene Expression (Practice Test)
      Advance Transcription
    1. Advance Transcription
      4411 views
      2. More on Transcription
    2. More on Transcription
      9405 views
      3. Post-Transcriptional Modification of mRNA
    3. Post-Transcriptional Modification of mRNA
      6465 views
      4. Genetic Code
    4. Genetic Code
      5380 views
      5. Translation
    5. Translation
      15338 views
      6. Translation, Protein Synthesis
    6. Translation, Protein Synthesis
      6024 views
      7. More on Translation, Protein Synthesis
    7. More on Translation, Protein Synthesis
      3969 views
      8. Difference Between Translation in Prokaryotes and Eukaryotes
    8. Difference Between Translation in Prokaryotes and Eukaryotes
      2160 views
      23.5: Regulation of Gene Expression (Practice Test)
      Regulation of Gene Expression
    1. Regulation of Gene Expression
      6845 views
      2. Methods of Regulation of Gene Expression
    2. Methods of Regulation of Gene Expression
      4836 views
      23.6: Mutations (Practice Test)
      Mutations
    1. Mutations
      6593 views
      2. Importance of Mutation
    2. Importance of Mutation
      2822 views
      3. Chromosomal Mutations
    3. Chromosomal Mutations
      5795 views
      4. Chromosomal Mutations (Turner Syndrome)
    4. Chromosomal Mutations (Turner Syndrome)
      4338 views
      5. Point Mutation/Gene Mutations
    5. Point Mutation/Gene Mutations
      2870 views

    Chapter 24 Evolution ( 18 videos)  (Practice Test)

      24.1: The Evolution And The Concept of Evolution
      Concept of Evolution VS Special Creation
    1. Concept of Evolution VS Special Creation
      7210 views
      24.2: Evolution From Prokaryotes to Eukaryotes (Practice Test)
      Evolution From Prokaryotes to Eukaryotes
    1. Evolution From Prokaryotes to Eukaryotes
      10401 views
      24.3: Lamarckism (Practice Test)
      Inheritance of Acquired Characteristics
    1. Inheritance of Acquired Characteristics
      5921 views
      2. Objections on Lamarckian Theory
    2. Objections on Lamarckian Theory
      3708 views
      24.4: Darwinism (Practice Test)
      Alfred Russell Wallace
    1. Alfred Russell Wallace
      770 views
      2. Theory of Natural Selection
    2. Theory of Natural Selection
      11343 views
      3. More on Theory of Natural Selection
    3. More on Theory of Natural Selection
      2449 views
      24.5: Neo-Darwinism (Practice Test)
      Evidence From Biogeography and Paleontology
    1. Evidence From Biogeography and Paleontology
      2. Evidence From Comparative Anatomy
    2. Evidence From Comparative Anatomy
      5051 views
      3. Comparative Embryology and Molecular Biology
    3. Comparative Embryology and Molecular Biology
      3493 views
      4. Neo-Darwinism - The Modern Evolutionary Synthesis
    4. Neo-Darwinism - The Modern Evolutionary Synthesis
      9034 views
      5. Hardy-Weinberg Theorem
    5. Hardy-Weinberg Theorem
      8809 views
      6. More on Hardy-Weinberg Theorem
    6. More on Hardy-Weinberg Theorem
      4284 views
      7. Factors Affecting Gene Frequency
    7. Factors Affecting Gene Frequency
      4267 views
      8. Genetic Drift
    8. Genetic Drift
      2755 views
      9. Sympatric Speciation
    9. Sympatric Speciation
      2030 views
      10. Allopatric Speciation
    10. Allopatric Speciation
      1564 views
      11. Parapatric Speciation
    11. Parapatric Speciation

    Chapter 25 Man And His Environments ( 31 videos)  (Practice Test)

      25.1: Biogeochemical Cycle (Practice Test)
      Biogeochemical Cycle
    1. Biogeochemical Cycle
      2. Water Cycle
    2. Water Cycle
      3459 views
      3. The Nitrogen Cycle
    3. The Nitrogen Cycle
      3523 views
      4. More on Nitrogen Cycle
    4. More on Nitrogen Cycle
      1332 views
      25.2: The Flow of Energy (Practice Test)
      Concept of Trophic Levels
    1. Concept of Trophic Levels
      2. Concept of Productivity
    2. Concept of Productivity
      3. Energy Relations Between Different Trophic Levels
    3. Energy Relations Between Different Trophic Levels
      566 views
      4. Ecological Pyramids
    4. Ecological Pyramids
      3570 views
      5. Ecological Pyramids of Biomass
    5. Ecological Pyramids of Biomass
      4800 views
      6. Ecological Pyramids of Number
    6. Ecological Pyramids of Number
      2412 views
      25.3: Ecological Succession (Practice Test)
      Succession
    1. Succession
      3668 views
      2. Two Major Forms of Succession
    2. Two Major Forms of Succession
      3751 views
      3. Secondary Succession
    3. Secondary Succession
      1248 views
      4. Stages of Succession
    4. Stages of Succession
      3627 views
      5. Xerosere
    5. Xerosere
      2174 views
      6. More on Xerosere
    6. More on Xerosere
      903 views
      25.4: Population Dynamics
      Population Dynamics
    1. Population Dynamics
      25.5: Human Impact on Enviroment (Practice Test)
      Human Impact on Environment
    1. Human Impact on Environment
      2. Nuclear Power
    2. Nuclear Power
      1342 views
      3. Carbon Dioxide and Global warming
    3. Carbon Dioxide and Global warming
      1142 views
      4. Acid Rain
    4. Acid Rain
      6450 views
      5. Mechanism of Acid Rain
    5. Mechanism of Acid Rain
      1945 views
      6. Effect of Acid Rain
    6. Effect of Acid Rain
      3475 views
      7. Depletion of Ozone
    7. Depletion of Ozone
      6088 views
      8. Ozone Depletion due to Oxides of Nitrogen and Sulphur
    8. Ozone Depletion due to Oxides of Nitrogen and Sulphur
      2102 views
      9. Role of Chlorofluorocarbons in Destroying Ozone
    9. Role of Chlorofluorocarbons in Destroying Ozone
      1861 views
      10. Effect of Ozone Depletion
    10. Effect of Ozone Depletion
      3297 views
      25.6: Environmental Resources And Their Depletion (Practice Test)
      Renewable and Non-Renewable Resources
    1. Renewable and Non-Renewable Resources
      4895 views
      2. Renewable Resources (Land and Wildlife)
    2. Renewable Resources (Land and Wildlife)
      1832 views
      3. Conventional Energy Resources
    3. Conventional Energy Resources
      1877 views
      4. Non - Conventional Energy Sources
    4. Non - Conventional Energy Sources
      2347 views

    Chapter 26 Biotechnology ( 53 videos)  (Practice Test)

      26.1: Cloning of Genes (Practice Test)
      Biotechnology, The Genetic Engineering
    1. Biotechnology, The Genetic Engineering
      11062 views
      2. Scope and Importance of Biotechnology
    2. Scope and Importance of Biotechnology
      6326 views
      3. Using Bacteria in Genetic Engineering
    3. Using Bacteria in Genetic Engineering
      27401 views
      4. Advance Recombinant DNA Technology, How to Get a Gene
    4. Advance Recombinant DNA Technology, How to Get a Gene
      5232 views
      5. Recombinant DNA Technology Depends on Enzymes
    5. Recombinant DNA Technology Depends on Enzymes
      2943 views
      6. Molecular Scissor: Restriction Endonucleases
    6. Molecular Scissor: Restriction Endonucleases
      5696 views
      7. Molecular Carrier: Vector
    7. Molecular Carrier: Vector
      5827 views
      8. More on Molecular Carrier (Vector)
    8. More on Molecular Carrier (Vector)
      2878 views
      9. Molecular Carrier (Vector) Cosmid and Artificial Chromosome
    9. Molecular Carrier (Vector) Cosmid and Artificial Chromosome
      10. DNA Ligase and Expression System
    10. DNA Ligase and Expression System
      2946 views
      11. The Polymerase Chain Reaction
    11. The Polymerase Chain Reaction
      4706 views
      12. Components of PCR
    12. Components of PCR
      3158 views
      13. Mechanism of PCR
    13. Mechanism of PCR
      3492 views
      14. Applications of PCR
    14. Applications of PCR
      8141 views
      15. Genomic Library
    15. Genomic Library
      8864 views
      16. Using Probe for Searching Gene in Genomic Library
    16. Using Probe for Searching Gene in Genomic Library
      2796 views
      26.2: DNA Sequencing (Practice Test)
      Gel Electrophoresis
    1. Gel Electrophoresis
      3376 views
      2. Visualization of Fragments
    2. Visualization of Fragments
      589 views
      3. DNA Sequencing
    3. DNA Sequencing
      5611 views
      4. Sanger's Method
    4. Sanger's Method
      9562 views
      5. Automatic DNA Sequencing
    5. Automatic DNA Sequencing
      10490 views
      6. Maxam-Gilbert Method
    6. Maxam-Gilbert Method
      10323 views
      26.3: DNA Analysis (Practice Test)
      Analyzing DNA
    1. Analyzing DNA
      4331 views
      2. Procedure of DNA Analysis
    2. Procedure of DNA Analysis
      6986 views
      3. Autoradiography
    3. Autoradiography
      20898 views
      4. Application of DNA Analysis
    4. Application of DNA Analysis
      2475 views
      26.4: Genome Maps (Practice Test)
      Genome Analysis
    1. Genome Analysis
      3995 views
      2. The Human Genome Project
    2. The Human Genome Project
      5217 views
      3. Benefits of Human Genome Project
    3. Benefits of Human Genome Project
      2514 views
      26.5: Tissue Culture (Practice Test)
      Tissue Culture
    1. Tissue Culture
      9223 views
      2. Types of Tissue Culture
    2. Types of Tissue Culture
      5201 views
      3. Animal Cell Culture
    3. Animal Cell Culture
      5484 views
      4. Techniques of Animal Cell Culture
    4. Techniques of Animal Cell Culture
      8390 views
      5. Application of Animal Cell Culture
    5. Application of Animal Cell Culture
      4389 views
      26.6: Transgenic Bacteria, Plants and Animals (Practice Test)
      Transgenic Bacteria
    1. Transgenic Bacteria
      3120 views
      2. Role of Transgenic Bacteria in Human Welfare
    2. Role of Transgenic Bacteria in Human Welfare
      3035 views
      3. Application of Genetically Modified Bacteria
    3. Application of Genetically Modified Bacteria
      2437 views
      4. Transgenic Plants
    4. Transgenic Plants
      8973 views
      5. Agrobacterium Mediated Transformation
    5. Agrobacterium Mediated Transformation
      4603 views
      6. Application of Transgenic Plants
    6. Application of Transgenic Plants
      4814 views
      7. Transgenic Animals
    7. Transgenic Animals
      3843 views
      26.7: Biotechnology And Healthcare (Practice Test)
      Role of Biotechnology in Diagnosis of Diseases
    1. Role of Biotechnology in Diagnosis of Diseases
      2189 views
      2. Gene Therapy
    2. Gene Therapy
      4158 views
      3. Gene Therapy (Ex-Vivo)
    3. Gene Therapy (Ex-Vivo)
      3917 views
      4. Gene Therapy In-Vivo Method
    4. Gene Therapy In-Vivo Method
      2883 views
      5. Cystic Fibrosis
    5. Cystic Fibrosis
      2080 views
      26.8: Scope And Importance of Biotechnology (Practice Test)
      Bio-Chips
    1. Bio-Chips
      5679 views
      2. Bio-Fertilizers
    2. Bio-Fertilizers
      3303 views
      3. Nanotechnology
    3. Nanotechnology
      607 views
      4. Ecological Concerns Surrounding Transgenic Bacteria
    4. Ecological Concerns Surrounding Transgenic Bacteria
      842 views
      5. Uses and Applications of Biotechnology (With Reference to Plants)
    5. Uses and Applications of Biotechnology (With Reference to Plants)
      381 views
      6. Uses and Applications of Biotechnology (With Reference to Animals)
    6. Uses and Applications of Biotechnology (With Reference to Animals)
      288 views
      7. Uses and Applications of Biotechnology (With Reference to Bacteria)
    7. Uses and Applications of Biotechnology (With Reference to Bacteria)
      538 views

    Chapter 27 Biology And Human Welfare ( 13 videos)  (Practice Test)

      27.1: Vaccination And Integrated Disease Management
      Schedule of vaccination against common diseases
    1. Schedule of vaccination against common diseases
      2. Immunization and Vaccination
    2. Immunization and Vaccination
      4678 views
      27.2: Animal Husbandry
      Animal Husbandry
    1. Animal Husbandry
      27.2: Latest Technique Applied To Enhance Crop And Fruit Yields
      Methods of Plant Breeding for Crop Improvement and Hybridization
    1. Methods of Plant Breeding for Crop Improvement and Hybridization
      2. Acclimatization And Backcross
    2. Acclimatization And Backcross
      27.3: Home Gardening
      Home Gardening
    1. Home Gardening
      27.4: Roles of Microbes In Human Welfare (Practice Test)
      Role of Bacteria in Research and Technology
    1. Role of Bacteria in Research and Technology
      450 views
      2. More on Role of Bacteria in Research and Technology
    2. More on Role of Bacteria in Research and Technology
      460 views
      3. Role of Transgenic Bacteria in Human Welfare
    3. Role of Transgenic Bacteria in Human Welfare
      3035 views
      4. Ecological Concerns Surrounding Transgenic Bacteria
    4. Ecological Concerns Surrounding Transgenic Bacteria
      842 views
      5. Application of Genetically Modified Bacteria
    5. Application of Genetically Modified Bacteria
      2437 views
      6. Biological Principles of Sewage Treatment
    6. Biological Principles of Sewage Treatment
      1136 views
      7. Bioremediation
    7. Bioremediation
      1405 views