Biology | Class 12

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    Chapter 13 Thermoregulation and Osmoregulation (13 videos) (Practice Test) (Exercises Exercise Answers)

      13.1: Homeostasis (Practice Test)
      Osmoregulation, Thermoregulation and Excretion
    1. Osmoregulation, Thermoregulation and Excretion
      29601 views
      2. Coordinators, Effectors and Response
    2. Coordinators, Effectors and Response
      5570 views
      3. Concept of Feedback
    3. Concept of Feedback
      8080 views
      13.2: 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 Environments
    3. Marine Environments
      8056 views
      4. Terrestrial Environments
    4. Terrestrial Environments
      5959 views
      5. Excretion in Animals
    5. Excretion in Animals
      9564 views
      6. Nature of Excretory Products in Relation to Habitats
    6. Nature of Excretory Products in Relation to Habitats
      7312 views
      13.3: Thermoregulation (Practice Test)
      Classification of Animals on the Basis of Heat Production
    1. Classification of Animals on the Basis of Heat Production
      2. Classification of Animals on the Basis of Their Body Temperature
    2. Classification of Animals on the Basis of Their Body Temperature
      6239 views
      3. Regulatory Strategies
    3. Regulatory Strategies
      3674 views
      4. Thermostat Function and Feedback Controls in Human and Fever
    4. Thermostat Function and Feedback Controls in Human and Fever
      3770 views

    Chapter 14 Human Urinary System (11 videos) (Practice Test) (Exercises Exercise Answers)

      14.1: Human Urinary System (Practice Test)
      Urinary system
    1. Urinary system
      9245 views
      2. Structure of Kidney
    2. Structure of Kidney
      49113 views
      3. Structure of Nephron
    3. Structure of Nephron
      11277 views
      4. Functions of Kidney
    4. Functions of Kidney
      9917 views
      14.2: Regulation of the Urine Concentration (Practice Test)
      Functions of Kidney
    1. Functions of Kidney
      9917 views
      2. Effect of Hormones on The Working of Kidney
    2. Effect of Hormones on The Working of Kidney
      4107 views
      14.3: Disorders of Urinary Tract (Practice Test)
      Urinary Tract Infections (UTIs)
    1. Urinary Tract Infections (UTIs)
      3371 views
      2. Kidney Stone
    2. Kidney Stone
      4168 views
      3. Kidney (Renal) Failure, Dialysis
    3. Kidney (Renal) Failure, Dialysis
      13435 views
      4. Peritoneal Dialysis
    4. Peritoneal Dialysis
      20631 views
      5. Kidney Transplant
    5. Kidney Transplant
      2333 views

    Chapter 15 Human Nervous System (34 videos) (Practice Test) (Exercises Exercise Answers)

      15.1: Concepts in Homeostasis
      Osmoregulation, Thermoregulation and Excretion
    1. Osmoregulation, Thermoregulation and Excretion
      29601 views
      15.2: Osmoregulation
      Balance of Water and Solutes in the Body
    1. Balance of Water and Solutes in the Body
      2030 views
      2. Hydrophytes and Halophytes
    2. Hydrophytes and Halophytes
      13556 views
      3. Mesophytes
    3. Mesophytes
      924 views
      4. Osmoregulation in Animals
    4. Osmoregulation in Animals
      17204 views
      5. Osmoregulation in Different Environments
    5. Osmoregulation in Different Environments
      12639 views
      6. Marine Environments
    6. Marine Environments
      8056 views
      7. Terrestrial Environments
    7. Terrestrial Environments
      5959 views
      15.3: Excretion
      Excretion in Plants
    1. Excretion in Plants
      15550 views
      2. Excretion in Animals
    2. Excretion in Animals
      9564 views
      3. Nature of Excretory Products in Relation to Habitats
    3. Nature of Excretory Products in Relation to Habitats
      7312 views
      4. Uric Acid
    4. Uric Acid
      6574 views
      5. Urea
    5. Urea
      5312 views
      15.4: Excretion In Representative Animals
      Excretion in Hydra
    1. Excretion in Hydra
      6118 views
      2. Excretion in Planaria
    2. Excretion in Planaria
      10704 views
      3. Excretion in Earthworm
    3. Excretion in Earthworm
      12112 views
      4. Excretion in Cockroach
    4. Excretion in Cockroach
      12335 views
      15.5: Excretion in Vertebrates
      Excretion in Human
    1. Excretion in Human
      7212 views
      2. Excretory Organs, Liver
    2. Excretory Organs, Liver
      8840 views
      3. Excretion in Vertebrates, Nephrons, Kidney
    3. Excretion in Vertebrates, Nephrons, Kidney
      6528 views
      4. Urinary system
    4. Urinary system
      9245 views
      5. Structure of Kidney
    5. Structure of Kidney
      49113 views
      6. Structure of Nephron
    6. Structure of Nephron
      11277 views
      7. Blood Circulation to Nephron
    7. Blood Circulation to Nephron
      6650 views
      8. Type of Nephron
    8. Type of Nephron
      7109 views
      9. Functions of Kidney
    9. Functions of Kidney
      27826 views
      10. Functions of Kidney
    10. Functions of Kidney
      9917 views
      11. Effect of Hormones on The Working of Kidney
    11. Effect of Hormones on The Working of Kidney
      4107 views
      12. Urea Formation , Kidney Filtration
    12. Urea Formation , Kidney Filtration
      3968 views
      13. Concentration of Excretory Product
    13. Concentration of Excretory Product
      4743 views
      14. Kidney as Osmoregulatory Organ
    14. Kidney as Osmoregulatory Organ
      12046 views
      15. Kidney Stone
    15. Kidney Stone
      4168 views
      16. Lithotripsy
    16. Lithotripsy
      3666 views
      17. Kidney (Renal) Failure, Dialysis
    17. Kidney (Renal) Failure, Dialysis
      13435 views
      18. Peritoneal Dialysis
    18. Peritoneal Dialysis
      20631 views
      19. Kidney Transplant
    19. Kidney Transplant
      5706 views
      20. Kidney Transplant
    20. Kidney Transplant
      2333 views
      15.6: Thermoregulation
      Adaptations in Plants to High Temperature
    1. Adaptations in Plants to High Temperature
      1012 views
      2. Adaptations in Plants to Low Temperature
    2. Adaptations in Plants to Low Temperature
      920 views
      15.7: Mechanism In Animals
      Classification of Animals on the Basis of Their Body Temperature
    1. Classification of Animals on the Basis of Their Body Temperature
      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
      15.8: Thermoregulation in Mammals(Human)
      Regulatory Strategies
    1. Regulatory Strategies
      3674 views
      2. Thermostat Function and Feedback Controls in Human and Fever
    2. Thermostat Function and Feedback Controls in Human and Fever
      3770 views
      3. Pyrexia and Pyrogens
    3. Pyrexia and Pyrogens
      3910 views

    Chapter 16 Human Endocrine System (17 videos) (Practice Test) (Exercises Exercise Answers)

      16.1: Concept And Need
      Support, Movement and Locomotion
    1. Support, Movement and Locomotion
      5709 views
      16.2: Support in Plants
      Support in Plants
    1. Support in Plants
      2. Collenchyma Tissues
    2. Collenchyma Tissues
      14321 views
      3. Sclerenchyma Tissues
    3. Sclerenchyma Tissues
      8400 views
      4. Secondary Growth
    4. Secondary Growth
      6209 views
      5. Heart wood and Sap Wood
    5. Heart wood and Sap Wood
      2920 views
      16.3: Movements in Plants
      Types of Movements
    1. Types of Movements
      4799 views
      2. Tactic Movements
    2. Tactic Movements
      6942 views
      3. Tactic Movements
    3. Tactic Movements
      481 views
      4. Thermotaxis, Chemotaxis
    4. Thermotaxis, Chemotaxis
      2471 views
      5. Turgor Movements
    5. Turgor Movements
      5076 views
      6. Growth Movements
    6. Growth Movements
      3793 views
      7. Tropic Movement
    7. Tropic Movement
      5322 views
      8. More on Tropic Movements
    8. More on Tropic Movements
      1287 views
      9. Geotropism and Hydrotropism
    9. Geotropism and Hydrotropism
      4336 views
      10. Nastic Movement
    10. Nastic Movement
      4198 views
      11. Types of Nastic Movement
    11. Types of Nastic Movement
      6304 views
      12. More on Nastic Movements
    12. More on Nastic Movements
      1197 views
      16.4: Role of Plant Growth Substance In Plant Movement
      Role of Plant Growth Substance in Plant Movement
    1. Role of Plant Growth Substance in Plant Movement
      2993 views
      16.5: Support And Movements In Animals
      Support and Locomotion in Animals
    1. Support and Locomotion in Animals
      3182 views
      2. Hydrostatic Skeleton
    2. Hydrostatic Skeleton
      9873 views
      3. Exoskeleton
    3. Exoskeleton
      6196 views
      4. ecdysis
    4. ecdysis
      3621 views
      5. Functions of Skeletal System
    5. Functions of Skeletal System
      2927 views
      6. Endoskeleton
    6. Endoskeleton
      3406 views
      7. Bones
    7. Bones
      10019 views
      8. Cartilages
    8. Cartilages
      6653 views
      16.6: Human Skeleton
      Human Skeleton, Axial Skeleton
    1. Human Skeleton, Axial Skeleton
      38474 views
      2. Skull
    2. Skull
      3485 views
      3. Ribs
    3. Ribs
      2583 views
      4. Vertebral Column
    4. Vertebral Column
      9 views
      5. Appendicular Skeleton
    5. Appendicular Skeleton
      3189 views
      6. Pelvic Girdle
    6. Pelvic Girdle
      3262 views
      7. Hind Limb
    7. Hind Limb
      8. More on Joints
    8. More on Joints
      3205 views
      9. Types of Joints
    9. Types of Joints
      11695 views
      10. Synovial Joint
    10. Synovial Joint
      4692 views
      16.7: Deformities of Skeleton
      Genetic Causes
    1. Genetic Causes
      3619 views
      2. Hormonal Causes of Skeleton Deformities
    2. Hormonal Causes of Skeleton Deformities
      3743 views
      3. Nutritional Causes
    3. Nutritional Causes
      1469 views
      4. Disc-Slip
    4. Disc-Slip
      6459 views
      5. Spondylosis
    5. Spondylosis
      3761 views
      6. Sciatica
    6. Sciatica
      4201 views
      7. Arthritis and its Types
    7. Arthritis and its Types
      5826 views
      8. Arthritis and its Types
    8. Arthritis and its Types
      1679 views
      16.8: Repair of Broken Bones
      Repair of Broken Bones
    1. Repair of Broken Bones
      8478 views
      16.9: Muscles
      Muscular System
    1. Muscular System
      4186 views
      2. Smooth and Cardiac Muscles
    2. Smooth and Cardiac Muscles
      4437 views
      3. Skeletal Muscles , Skeletal Muscle Fibre
    3. Skeletal Muscles , Skeletal Muscle Fibre
      12189 views
      4. More on Skeletal Muscles , Skeletal Muscle Fibre
    4. More on Skeletal Muscles , Skeletal Muscle Fibre
      8763 views
      5. Ultra Structure of Microfilaments
    5. Ultra Structure of Microfilaments
      6912 views
      6. Sliding Filament Model
    6. Sliding Filament Model
      8807 views
      7. How Bridges are Controlled
    7. How Bridges are Controlled
      5968 views
      8. Controlling the Actin-Myosin Interaction by Ca++ ions
    8. Controlling the Actin-Myosin Interaction by Ca++ ions
      11088 views
      9. Energy for Muscle Contraction, Muscle Fatigue
    9. Energy for Muscle Contraction, Muscle Fatigue
      6576 views
      10. Tetany, Cramp
    10. Tetany, Cramp
      14328 views
      16.10: Arrangement of Skeletal Muscles for Movement of Skeleton
      Origin, Insertion, Belly, Ligaments and Tendons
    1. Origin, Insertion, Belly, Ligaments and Tendons
      3142 views
      2. Muscles and Movements
    2. Muscles and Movements
      7571 views
      3. Arrangement of Skeletal Muscles for Skeletal Movement
    3. Arrangement of Skeletal Muscles for Skeletal Movement
      4024 views
      16.11: Locomotion In Protoctista And Invertebrates
      Locomotion In Euglena
    1. Locomotion In Euglena
      9644 views
      2. Locomotion In Amoeba
    2. Locomotion In Amoeba
      7958 views
      3. More on Locomotion in Euglena and Amoeba
    3. More on Locomotion in Euglena and Amoeba
      3005 views
      4. Locomotion In Paramecium
    4. Locomotion In Paramecium
      9612 views
      5. More on Locomotion in Paramecium
    5. More on Locomotion in Paramecium
      5511 views
      6. Locomotion in Jelly Fish and Earthworm
    6. Locomotion in Jelly Fish and Earthworm
      7744 views
      7. Locomotion in Cockroach
    7. Locomotion in Cockroach
      6762 views
      8. Locomotion in Star Fish and Snail
    8. Locomotion in Star Fish and Snail
      9389 views
      16.12: Locomotion And Skeleton in Vertebrates
      Locomotion in Fish
    1. Locomotion in Fish
      8395 views
      2. Locomotion in Amphibian
    2. Locomotion in Amphibian
      4649 views
      3. Locomotion in Reptiles
    3. Locomotion in Reptiles
      4041 views
      4. Locomotion in Air
    4. Locomotion in Air
      4142 views
      5. Locomotion in Mammals
    5. Locomotion in Mammals
      3630 views
      6. Evolutionary Changes in The Arrangement of Bones And Related Mode of Locomotion in Vertebrates
    6. Evolutionary Changes in The Arrangement of Bones And Related Mode of Locomotion in Vertebrates

    Chapter 17 Human Reproductive System (7 videos) (Practice Test) (Exercises Exercise Answers)

      17.1: Introduction
      Stimuli, Receptors, Effectors, Response
    1. Stimuli, Receptors, Effectors, Response
      16832 views
      17.2: Coordination In Plants
      Control Through Hormones in plants
    1. Control Through Hormones in plants
      4224 views
      17.3: Plants Movements
      Types of Movements
    1. Types of Movements
      4799 views
      17.4: Responses To Environmental Stresses In Plants
      Responses to Environmental Stresses
    1. Responses to Environmental Stresses
      3740 views
      17.5: Defense Against Pathogens in Plants
      Defense Against Pathogens in Plants
    1. Defense Against Pathogens in Plants
      2811 views
      17.6: Biological Clocks and Circadian Rhythms
      Biological Clocks and Circadian Rhythms
    1. Biological Clocks and Circadian Rhythms
      11435 views
      17.7: Plant Hormones
      Auxins and Gibberellins
    1. Auxins and Gibberellins
      8872 views
      2. Cytokinin, Abscisic Acid and Ethene
    2. Cytokinin, Abscisic Acid and Ethene
      4923 views
      17.8: Coordination In Animals
      Types of Coordination
    1. Types of Coordination
      5018 views
      17.9: Nervous Coordination
      Steps Involved in Coordination
    1. Steps Involved in Coordination
      3863 views
      2. Coordinators, Effectors and Response
    2. Coordinators, Effectors and Response
      5570 views
      3. Working of Sensory Receptors with Special Reference to Skin
    3. Working of Sensory Receptors with Special Reference to Skin
      4786 views
      4. Nerve cell or Neuron
    4. Nerve cell or Neuron
      14832 views
      5. Nerve Types
    5. Nerve Types
      6815 views
      6. Neuron Types
    6. Neuron Types
      10302 views
      7. Nervous Tissue
    7. Nervous Tissue
      3224 views
      8. Reflex Action
    8. Reflex Action
      10745 views
      9. Nerve Impulse and Resting Membrane Potential
    9. Nerve Impulse and Resting Membrane Potential
      12246 views
      10. Generation and transmission of nerve impulse
    10. Generation and transmission of nerve impulse
      11. Synapse
    11. Synapse
      11029 views
      17.10: 17Evolution of Nervous System
      Evolution of Nervous System
    1. Evolution of Nervous System
      5548 views
      2. Nervous System of Hydra
    2. Nervous System of Hydra
      5490 views
      3. Nervous System of Planaria
    3. Nervous System of Planaria
      2454 views
      17.11: Human Nervous System
      Central Nervous System (CNS) Brain
    1. Central Nervous System (CNS) Brain
      10596 views
      2. The Divisions of Brain, Forebrain
    2. The Divisions of Brain, Forebrain
      38557 views
      3. Mid Brain and Hind Brain
    3. Mid Brain and Hind Brain
      11262 views
      4. Spinal cord
    4. Spinal cord
      13955 views
      5. Spinal cord
    5. Spinal cord
      4313 views
      6. Peripheral Nervous System (PNS)
    6. Peripheral Nervous System (PNS)
      29672 views
      7. More on Peripheral Nervous System (PNS)
    7. More on Peripheral Nervous System (PNS)
      2975 views
      8. Peripheral Nervous System (PNS)
    8. Peripheral Nervous System (PNS)
      6602 views
      9. More on Peripheral Nervous System (PNS)
    9. More on Peripheral Nervous System (PNS)
      4203 views
      17.12: Nervous Disorders
      Parkinson's Disease
    1. Parkinson's Disease
      2833 views
      2. Epilepsy
    2. Epilepsy
      2577 views
      3. Alzheimer's Disease
    3. Alzheimer's Disease
      3664 views
      4. Effects of Drugs On Nervous Coordination
    4. Effects of Drugs On Nervous Coordination
      17.13: Chemical Coordination
      Important endocrine gland
    1. Important endocrine gland
      9123 views
      2. Mode of Hormone Action
    2. Mode of Hormone Action
      4163 views
      17.14: Endocrine Glands of Mammals
      Pituitary Gland
    1. Pituitary Gland
      7291 views
      2. Pituitary's Median lobe and posterior lobe
    2. Pituitary's Median lobe and posterior lobe
      4164 views
      3. Thyroid Gland
    3. Thyroid Gland
      10441 views
      4. Parathyroid
    4. Parathyroid
      7905 views
      5. Pancreas
    5. Pancreas
      10728 views
      6. Adrenal Gland
    6. Adrenal Gland
      9392 views
      7. Disorders of Cortical Hormones
    7. Disorders of Cortical Hormones
      8. Gut
    8. Gut
      9. Gonads
    9. Gonads
      8639 views
      17.15: Feed Back Mechanism
      Feed Back Mechanism
    1. Feed Back Mechanism
      11601 views
      2. Comparison of Nervous Coordination and Chemical Coordination
    2. Comparison of Nervous Coordination and Chemical Coordination
      17.16: Behavior
      Innate Behavior
    1. Innate Behavior
      11098 views
      2. More on Innate Behavior
    2. More on Innate Behavior
      3243 views
      3. Non-orientation Behavior
    3. Non-orientation Behavior
      5102 views
      4. Learning Behavior
    4. Learning Behavior
      13699 views
      5. more on Learning Behavior
    5. more on Learning Behavior
      6450 views
      6. Social Behaviors
    6. Social Behaviors
      5783 views
      7. More on Social Behaviors
    7. More on Social Behaviors
      4261 views

    Chapter 18 Inheritance (33 videos) (Practice Test) (Exercises Exercise Answers)

      18.1: Reproduction
      Reproduction, Asexual and Sexual reproduction
    1. Reproduction, Asexual and Sexual reproduction
      11247 views
      18.2: Reproduction In Plants
      Reproduction in Plants
    1. Reproduction in Plants
      7625 views
      2. Life Cycle of Moss
    2. Life Cycle of Moss
      10284 views
      3. Life Cycle of Pinus
    3. Life Cycle of Pinus
      4. Life Cycle of an Angiospermic plant
    4. Life Cycle of an Angiospermic plant
      3006 views
      5. Parthenocarpy
    5. Parthenocarpy
      16333 views
      6. Seed Dormancy
    6. Seed Dormancy
      23099 views
      7. Fruit Ripening
    7. Fruit Ripening
      4605 views
      8. Photoperiodism
    8. Photoperiodism
      1909 views
      9. Mechanism of Photoperiodism
    9. Mechanism of Photoperiodism
      1342 views
      10. Vernalization
    10. Vernalization
      3429 views
      18.3: Reproduction In Animals
      Regeneration and Parthenogenesis
    1. Regeneration and Parthenogenesis
      3872 views
      18.4: Tissue Culturing And Cloning
      Tissue Culturing and Cloning
    1. Tissue Culturing and Cloning
      8030 views
      18.5: Identical Twins
      Identical Twins
    1. Identical Twins
      18.6: Sexual Reproduction
      Mating and Fertilization
    1. Mating and Fertilization
      3678 views
      2. Fertilization
    2. Fertilization
      2049 views
      3. Oviparity and Viviparity
    3. Oviparity and Viviparity
      18.7: Reproduction In Man
      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
      18.8: Test Tube Babies
      Treatment of Infertility (Invitro Fertilization)
    1. Treatment of Infertility (Invitro Fertilization)
      18.9: Sexually Transmitted Diseases (STD)
      AIDS, A Sexually Transmitted Disease
    1. AIDS, A Sexually Transmitted Disease
      7203 views
      2. Syphilis, Gonorrhea
    2. Syphilis, Gonorrhea

    Chapter 19 Chromosome and DNA (27 videos) (Practice Test) (Exercises Exercise Answers)

      19.1: Growth And Development In Plants
      From Seed to Seedling
    1. From Seed to Seedling
      3766 views
      2. Apical Meristems, Intercalary Meristems and Lateral Meristems
    2. Apical Meristems, Intercalary Meristems and Lateral Meristems
      4073 views
      3. Phases of Growth
    3. Phases of Growth
      5958 views
      4. Secondary Growth
    4. Secondary Growth
      6209 views
      5. Condition of Growth
    5. Condition of Growth
      3860 views
      6. Growth Correlation
    6. Growth Correlation
      19.2: Growth And Development In Animals
      Growth and Development in Animals
    1. Growth and Development in Animals
      6203 views
      2. Development of Chick (Fertilization and Incubation)
    2. Development of Chick (Fertilization and Incubation)
      18342 views
      3. Cleavage, Morula
    3. Cleavage, Morula
      11172 views
      4. Blastula and Gastrulation
    4. Blastula and Gastrulation
      23834 views
      5. Notochord and Mesoderm Formation
    5. Notochord and Mesoderm Formation
      25204 views
      6. Neurulation
    6. Neurulation
      14420 views
      7. Hans Spemanns Experiment
    7. Hans Spemanns Experiment
      8604 views
      8. Roux-Weismann Hypothesis and Hans Drieschs Experiment
    8. Roux-Weismann Hypothesis and Hans Drieschs Experiment
      4013 views
      9. Role of Cytoplasm in Development
    9. Role of Cytoplasm in Development
      8490 views
      10. Role of Nucleus in Development
    10. Role of Nucleus in Development
      8441 views
      11. Cell Differentiation and Its Mechanism
    11. Cell Differentiation and Its Mechanism
      9336 views
      12. Embryonic Induction (First Experiment)
    12. Embryonic Induction (First Experiment)
      18497 views
      13. Embryonic Induction (Second Experiment)
    13. Embryonic Induction (Second Experiment)
      9140 views
      14. Embryonic Induction (Third Experiment)
    14. Embryonic Induction (Third Experiment)
      16145 views
      19.3: Aging
      Signs And Symptoms of Aging
    1. Signs And Symptoms of Aging
      19.4: Regeneration
      Regeneration and Parthenogenesis
    1. Regeneration and Parthenogenesis
      3872 views
      19.5: Abnormal Development
      Abnormal Development
    1. Abnormal Development
      2295 views

    Chapter 20 Biotechnology (17 videos) (Practice Test) (Exercises Exercise Answers)

      20.1: Chromosomes
      Gametes, Organisms have Number of Chromosomes Specific to their Species
    1. Gametes, Organisms have Number of Chromosomes Specific to their Species
      4415 views
      20.2: Types of Chromosomes
      Gene, Chromosome, Chromatin
    1. Gene, Chromosome, Chromatin
      11553 views
      2. Types of Chromosomes
    2. Types of Chromosomes
      14095 views
      3. Number and Structure of Chromosome
    3. Number and Structure of Chromosome
      14313 views
      20.3: Composition of Chromosome
      Composition of Chromosome
    1. Composition of Chromosome
      25284 views
      20.4: The Chromosomal Theory of Inheritance
      The Chromosomal Theory of Inheritance
    1. The Chromosomal Theory of Inheritance
      27027 views
      20.5: DNA As Hereditary Material
      Chromosomes as a Carriers of Genes
    1. Chromosomes as a Carriers of Genes
      4638 views
      2. DNA as Hereditary Material, vehicle
    2. DNA as Hereditary Material, vehicle
      13921 views
      3. More on DNA as Hereditary Material, vehicle
    3. More on DNA as Hereditary Material, vehicle
      10170 views
      4. Mononucleotide
    4. Mononucleotide
      7630 views
      5. Nucleotide and Polynucleotide
    5. Nucleotide and Polynucleotide
      9057 views
      6. Comparison of DNA and RNA
    6. Comparison of DNA and RNA
      2458 views
      7. Significance of Base Sequence; sequence of bases in DNA determines sequence of amino acids in protein
    7. Significance of Base Sequence; sequence of bases in DNA determines sequence of amino acids in prote
      2304 views
      8. Advance (Watson and Crick's Model)
    8. Advance (Watson and Crick's Model)
      65841 views
      9. Types of Replication
    9. Types of Replication
      5830 views
      10. Replication of DNA
    10. Replication of DNA
      16059 views
      11. DNA Replication in Prokaryotes and Eukaryotes
    11. DNA Replication in Prokaryotes and Eukaryotes
      4152 views
      12. The Meselson-Stahl Experiment
    12. The Meselson-Stahl Experiment
      13174 views
      13. Mechanism of DNA Replication
    13. Mechanism of DNA Replication
      33400 views
      14. More on Mechanism of DNA Replication
    14. More on Mechanism of DNA Replication
      11768 views
      20.6: What Is A Gene?
      What is a Gene
    1. What is a Gene
      7532 views
      2. Concept of Gene
    2. Concept of Gene
      14952 views
      3. Structure of a Gene
    3. Structure of a Gene
      18435 views
      4. Genes and Enzymes
    4. Genes and Enzymes
      2311 views
      5. Experiment of Beadle and Tatum on Neurospora
    5. Experiment of Beadle and Tatum on Neurospora
      17395 views
      6. One-Gene/ One-Polypeptide
    6. One-Gene/ One-Polypeptide
      7333 views
      7. How Does the DNA of Chromosome work?
    7. How Does the DNA of Chromosome work?
      7297 views
      8. Translation
    8. Translation
      15338 views
      20.7: Cells Use RNA To Make Protein
      Types of RNA
    1. Types of RNA
      13828 views
      2. Transcription
    2. Transcription
      18325 views
      3. Advance Transcription
    3. Advance Transcription
      4411 views
      4. More on Transcription
    4. More on Transcription
      9405 views
      5. Post-Transcriptional Modification of mRNA
    5. Post-Transcriptional Modification of mRNA
      6465 views
      6. Difference between Translation in Prokaryotes and Eukaryotes
    6. Difference between Translation in Prokaryotes and Eukaryotes
      2160 views
      20.8: Genetic Code
      Genetic Code
    1. Genetic Code
      5380 views
      20.9: Translation
      Translation
    1. Translation
      15338 views
      2. Advance Translation, Protein Synthesis
    2. Advance Translation, Protein Synthesis
      6024 views
      3. More on Translation
    3. More on Translation
      3969 views
      20.10: Mutations
      Mutations
    1. Mutations
      6593 views
      2. Importance of Mutation
    2. Importance of Mutation
      2822 views
      3. Chromosomal Mutations
    3. Chromosomal Mutations
      5795 views
      4. Turner Syndrome
    4. Turner Syndrome
      4338 views
      5. Point Mutation
    5. Point Mutation
      2870 views

    Chapter 21 Immunity (21 videos) (Practice Test) (Exercises Exercise Answers)

      21.1: Introduction of Cell Cycle
      Cell Cycle
    1. Cell Cycle
      20785 views
      21.2: Mitosis
      Mitosis, Prophase
    1. Mitosis, Prophase
      30609 views
      2. Anaphase, Telophase of Mitosis
    2. Anaphase, Telophase of Mitosis
      16891 views
      3. More on Mitosis, Cytokinesis
    3. More on Mitosis, Cytokinesis
      10975 views
      4. Significance of Mitosis
    4. Significance of Mitosis
      10862 views
      5. Cancer (Uncontrolled Cell Division)
    5. Cancer (Uncontrolled Cell Division)
      3827 views
      6. Cancer Types
    6. Cancer Types
      1709 views
      7. Carcinogens
    7. Carcinogens
      971 views
      8. Bengin or Malignant
    8. Bengin or Malignant
      1102 views
      21.3: Meiosis
      Metaphase I, Anaphase I and Telophase I
    1. Metaphase I, Anaphase I and Telophase I
      15853 views
      2. Meiosis
    2. Meiosis
      13659 views
      3. Meiosis I (Prophase I)
    3. Meiosis I (Prophase I)
      8802 views
      4. Meiosis-II
    4. Meiosis-II
      7798 views
      5. Importance of Meiosis
    5. Importance of Meiosis
      2663 views
      21.4: Meiotic Errors (Non-Disjunction)
      Chromosomal Mutations
    1. Chromosomal Mutations
      5795 views
      2. Turner Syndrome
    2. Turner Syndrome
      4338 views
      3. Apoptosis and Necrosis
    3. Apoptosis and Necrosis
      2655 views

    Chapter 22 Biostatistics (11 videos) (Practice Test) (Exercises Exercise Answers)

      22.1: Genes, Alleles And Gene Pool
      Genes, Locus, Alleles, Phenotype, Genotype
    1. Genes, Locus, Alleles, Phenotype, Genotype
      22120 views
      2. Gene Pool
    2. Gene Pool
      10442 views
      22.2: Mendel's Laws of Inheritance
      Mendel’s Law of Segregation
    1. Mendel’s Law of Segregation
      28037 views
      2. Mendel's Interpretation
    2. Mendel's Interpretation
      5460 views
      3. Test Cross
    3. Test Cross
      8062 views
      4. Punnet Square, Test Cross
    4. Punnet Square, Test Cross
      4894 views
      5. Mendel’s Law of Independent Assortment
    5. Mendel’s Law of Independent Assortment
      19410 views
      22.3: Dominance Relations
      Complete Dominance
    1. Complete Dominance
      5375 views
      2. Incomplete Dominance
    2. Incomplete Dominance
      8390 views
      3. Co-Dominance
    3. Co-Dominance
      8185 views
      4. Co-Dominance
    4. Co-Dominance
      2165 views
      22.4: MN Blood Type or Blood Group System
      MN Blood Type (Blood Group System)
    1. MN Blood Type (Blood Group System)
      7801 views
      2. Over Dominance
    2. Over Dominance
      7142 views
      3. Multiple Alleles
    3. Multiple Alleles
      7716 views
      4. ABO-Blood Group System
    4. ABO-Blood Group System
      9962 views
      5. Rh Blood Group System
    5. Rh Blood Group System
      675 views
      6. Erythroblastosis Fetalis
    6. Erythroblastosis Fetalis
      8852 views
      22.5: Epistasis
      Epistasis
    1. Epistasis
      9802 views
      2. Bombay Phenotype
    2. Bombay Phenotype
      9914 views
      22.6: Pleiotropy
      Pleiotropy
    1. Pleiotropy
      5738 views
      22.7: Continuously Varying Traits
      Qualitative Traits
    1. Qualitative Traits
      5211 views
      2. Quantitative Traits
    2. Quantitative Traits
      5334 views
      3. Wheat Grain Colour
    3. Wheat Grain Colour
      4859 views
      4. Human Skin Colour
    4. Human Skin Colour
      3448 views
      22.8: Gene Linkage
      Gene Linkage
    1. Gene Linkage
      11098 views
      22.9: Crossing Over
      Crossing Over
    1. Crossing Over
      24910 views
      22.10: Sex Determination
      Genetic Recombination
    1. Genetic Recombination
      7696 views
      2. Sex Determination, Chromosome in Drosophila
    2. Sex Determination, Chromosome in Drosophila
      5522 views
      3. Patterns of Sex Determination
    3. Patterns of Sex Determination
      3770 views
      4. Chromosome in Man
    4. Chromosome in Man
      2013 views
      5. Comparison of Chromosomal Determination of Sex Between Drosophila and Humans
    5. Comparison of Chromosomal Determination of Sex Between Drosophila and Humans
      4292 views
      6. Sex Determination in Plants
    6. Sex Determination in Plants
      4621 views
      22.11: Sex Linkage
      Sex Linkage in Drosophila
    1. Sex Linkage in Drosophila
      12208 views
      2. Test Cross
    2. Test Cross
      8062 views
      3. Reciprocal Cross as a Confirmatory Test
    3. Reciprocal Cross as a Confirmatory Test
      4. Sex-Linkage in Human
    4. Sex-Linkage in Human
      3958 views
      5. Haemophilia
    5. Haemophilia
      4161 views
      6. More on Haemophilia
    6. More on Haemophilia
      2149 views
      7. Sex Linkage, Colour Blindness
    7. Sex Linkage, Colour Blindness
      8494 views
      8. Nightblindness and Colour Blindness
    8. Nightblindness and Colour Blindness
      3056 views
      9. X- linked Dominant Inheritance
    9. X- linked Dominant Inheritance
      5677 views
      10. Y- linked Inheritance
    10. Y- linked Inheritance
      4588 views
      11. Sex Limited Trait, Sex Influenced trait
    11. Sex Limited Trait, Sex Influenced trait
      7895 views
      22.12: Diabetes Mellitus And Its genetic Basis
      Diabetes Mellitus and Its Genetic Basis
    1. Diabetes Mellitus and Its Genetic Basis
      2732 views
      2. Diabetes Mellitus Type 2
    2. Diabetes Mellitus Type 2
      1646 views

    Chapter 23 Pharmacology (5 videos) (Practice Test) (Exercises Exercise Answers)

      23.1: Cloning of A Gene
      Recombinant DNA Technology
    1. Recombinant DNA Technology
      27401 views
      2. Advance Recombinant DNA Technology, How to Get a Gene
    2. Advance Recombinant DNA Technology, How to Get a Gene
      5232 views
      3. Recombinant DNA Technology Depends on Enzymes
    3. Recombinant DNA Technology Depends on Enzymes
      2943 views
      4. Molecular Scissor: Restriction Endonucleases
    4. Molecular Scissor: Restriction Endonucleases
      5696 views
      5. Molecular Carrier: Vector
    5. Molecular Carrier: Vector
      5827 views
      6. Molecular Carrier (Vector) Plasmid and Bacteriophage
    6. Molecular Carrier (Vector) Plasmid and Bacteriophage
      2878 views
      7. Molecular Carrier (Vector) Cosmid and Artificial Chromosome
    7. Molecular Carrier (Vector) Cosmid and Artificial Chromosome
      8. DNA Ligase and Expression System
    8. DNA Ligase and Expression System
      2946 views
      9. Expression of the Recombinant DNA
    9. Expression of the Recombinant DNA
      2914 views
      10. Genomic Library
    10. Genomic Library
      8864 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. Analyzing DNA
    15. Analyzing DNA
      4331 views
      16. Procedures of DNA Analysis
    16. Procedures of DNA Analysis
      6986 views
      17. Autoradiography
    17. Autoradiography
      20898 views
      18. Application of DNA Analysis
    18. Application of DNA Analysis
      2475 views
      19. DNA Sequencing
    19. DNA Sequencing
      5611 views
      20. Sanger's Method
    20. Sanger's Method
      9562 views
      21. Gel Electrophoresis
    21. Gel Electrophoresis
      3376 views
      22. Visualization of DNA Fragments In DNA Sequencing
    22. Visualization of DNA Fragments In DNA Sequencing
      589 views
      23. Maxam-Gillbert Method
    23. Maxam-Gillbert Method
      10323 views
      24. Automated DNA Sequencing
    24. Automated DNA Sequencing
      10490 views
      23.2: The Human Genome Project
      The Human Genome Project
    1. The Human Genome Project
      5217 views
      2. Benefits of Human Genome Project
    2. Benefits of Human Genome Project
      2514 views
      23.3: Biotechnology Products
      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. Transgenic Plants
    3. Transgenic Plants
      8973 views
      4. Transgenic Animals
    4. Transgenic Animals
      3843 views
      5. Agrobacterium Mediated Transformation
    5. Agrobacterium Mediated Transformation
      4603 views
      6. Electroporation Method
    6. Electroporation Method
      6823 views
      7. Application of Transgenic Plants
    7. Application of Transgenic Plants
      4814 views
      8. Application of Transgenic Animals
    8. Application of Transgenic Animals
      3650 views
      9. Animal Cloning
    9. Animal Cloning
      3382 views
      23.4: Gene Therapy
      Steps of Animal Cloning
    1. Steps of Animal Cloning
      2310 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
      23.5: Tissue Culture
      Tissue Culture
    1. Tissue Culture
      9223 views
      2. Types of Tissue Culture
    2. Types of Tissue Culture
      5201 views
      3. Callus Culture
    3. Callus Culture
      21539 views
      4. Meristem Culture
    4. Meristem Culture
      12441 views
      5. Anther / Pollen Culture
    5. Anther / Pollen Culture
      36430 views
      6. Embryo Culture
    6. Embryo Culture
      23875 views
      7. Ovary Culture
    7. Ovary Culture
      10521 views
      8. Agricultural plants With Improved Traits
    8. Agricultural plants With Improved Traits
      1369 views
      9. Role of Transgenic Bacteria in Human Welfare
    9. Role of Transgenic Bacteria in Human Welfare
      3035 views
      10. Application of Transgenic Plants
    10. Application of Transgenic Plants
      4814 views
      11. Application of Transgenic Animals
    11. Application of Transgenic Animals
      3650 views

    Chapter 24 Evolution (12 videos) (Practice Test) (Exercises Exercise Answers)

      24.1: Concept of Evolution VS Special Creation
      Concept of Evolution VS Special Creation
    1. Concept of Evolution VS Special Creation
      7210 views
      24.2: Evolution From Prokaryotes to Eukaryotes
      Evolution From Prokaryotes to Eukaryotes
    1. Evolution From Prokaryotes to Eukaryotes
      10401 views
      24.3: Inheritance of Acquired Characteristics
      Inheritance of Acquired Characteristics
    1. Inheritance of Acquired Characteristics
      5921 views
      2. Neo-Darwinism - The Modern Evolutionary Synthesis
    2. Neo-Darwinism - The Modern Evolutionary Synthesis
      9034 views
      3. Biogeography, The Fossil Record and Comparative Anatomy
    3. Biogeography, The Fossil Record and Comparative Anatomy
      5051 views
      4. Comparative Embryology and Molecular Biology
    4. Comparative Embryology and Molecular Biology
      3493 views
      24.4: Natural Selection And Artificial Selection
      Gene Pool
    1. Gene Pool
      10442 views
      2. Gene Frequencies and Their Role in Evolution
    2. Gene Frequencies and Their Role in Evolution
      4193 views
      3. Hardy-Weinberg Theorem
    3. Hardy-Weinberg Theorem
      8809 views
      4. More on Hardy-Weinberg Theorem
    4. More on Hardy-Weinberg Theorem
      4284 views
      5. Factors Affecting Gene Frequency
    5. Factors Affecting Gene Frequency
      4267 views
      24.5: Endangered Species
      Endangered Species
    1. Endangered Species
      1933 views

    Chapter 25 Ecology (13 videos) (Practice Test) (Exercises Exercise Answers)

      25.1: Introduction
      Ecology
    1. Ecology
      2941 views
      25.2: Ecosystem
      Components of Ecosystem
    1. Components of Ecosystem
      5633 views
      2. Biosphere
    2. Biosphere
      10372 views
      3. Autecology and Synecology
    3. Autecology and Synecology
      6364 views
      25.3: Components of Ecosystem
      Biotic Components
    1. Biotic Components
      1793 views
      2. Abiotic Components
    2. Abiotic Components
      2977 views
      3. Abiotic Components (Temperature and Water)
    3. Abiotic Components (Temperature and Water)
      1520 views
      4. Abiotic Components (Fire, Atmosphere and Wind)
    4. Abiotic Components (Fire, Atmosphere and Wind)
      1598 views
      5. Processes in Ecosystem and Interaction Between Biotic Components
    5. Processes in Ecosystem and Interaction Between Biotic Components
      1045 views
      6. Food Chain
    6. Food Chain
      2835 views
      7. Food Web
    7. Food Web
      4222 views
      25.4: Succession
      Succession
    1. Succession
      3668 views
      2. Two Major Form of Succession
    2. Two Major Form of Succession
      1999 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
      7. Predation, Parasitism and Its Significance
    7. Predation, Parasitism and Its Significance
      2517 views
      8. Differences Between a Parasite and a Predator
    8. Differences Between a Parasite and a Predator
      1474 views
      9. Symbiosis
    9. Symbiosis
      3557 views
      10. Symbiosis
    10. Symbiosis
      574 views
      11. More on Symbiosis
    11. More on Symbiosis
      1817 views
      25.5: Biogeochemical Cycles
      The Nitrogen Cycle
    1. The Nitrogen Cycle
      3523 views
      2. More on Nitrogen Cycle
    2. More on Nitrogen Cycle
      1332 views
      3. Nitrogen Depletion & Its Remedies
    3. Nitrogen Depletion & Its Remedies
      1072 views
      4. The Flow of Energy in Food Chain of An Ecosystem
    4. The Flow of Energy in Food Chain of An Ecosystem
      3628 views
      5. Energy Relations Between Different Trophic Levels
    5. Energy Relations Between Different Trophic Levels
      566 views