Biology | Class 12

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    Chapter 1 Homeostasis ( 42 videos)  (Practice Test)

      1.1: Homeostasis And Its Various Aspects (Practice Test)
      Osmoregulation, Thermoregulation and Excretion
    1. Osmoregulation, Thermoregulation and Excretion
      29601 views
      2. Concept of Feedback
    2. Concept of Feedback
      8080 views
      1.2: Osmoregulation (Practice Test)
      Balance of Water and Solutes in Body
    1. Balance of Water and Solutes in Body
      2030 views
      2. Hydrophytes and Halophytes
    2. Hydrophytes and Halophytes
      13556 views
      3. Osmoregulation in Animals
    3. Osmoregulation in Animals
      17204 views
      4. Osmoregulation in Different Environments
    4. Osmoregulation in Different Environments
      12639 views
      1.3: Excretion (Practice Test)
      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. Excretory Organ in Planaria
    4. Excretory Organ in Planaria
      10704 views
      5. Excretory Organ in Earthworm
    5. Excretory Organ in Earthworm
      12112 views
      6. Excretory Organ in Cockroach
    6. Excretory Organ in Cockroach
      12335 views
      7. Excretory System
    7. Excretory System
      7212 views
      8. Excretory Organs, Liver
    8. Excretory Organs, Liver
      8840 views
      9. Excretory Organs in Vertebrates, Nephrons, Kidney
    9. Excretory Organs in Vertebrates, Nephrons, Kidney
      6528 views
      10. Urinary System
    10. Urinary System
      9245 views
      11. Structure of Kidney
    11. Structure of Kidney
      49113 views
      12. Nephron
    12. Nephron
      11277 views
      13. Blood Circulation to Nephron
    13. Blood Circulation to Nephron
      6650 views
      14. Types of Nephron
    14. Types of Nephron
      7109 views
      15. Role of Kidney
    15. Role of Kidney
      27826 views
      16. Function of Kidney
    16. Function of Kidney
      9917 views
      17. Urea Formation, Kidney Filtration
    17. Urea Formation, Kidney Filtration
      3968 views
      18. Concentration of Excretory Product
    18. Concentration of Excretory Product
      4743 views
      19. Effects of Hormones on The Working of Kidney
    19. Effects of Hormones on The Working of Kidney
      4107 views
      20. Kidney as Osmoregulatory Organ
    20. Kidney as Osmoregulatory Organ
      12046 views
      1.4: Kidney Problems And Their Remedies (Practice Test)
      Formation of Stones in Kidney
    1. Formation of Stones in Kidney
      4168 views
      2. Lithotripsy
    2. Lithotripsy
      3666 views
      3. Renal Failure
    3. Renal Failure
      13435 views
      4. Peritoneal Dialysis
    4. Peritoneal Dialysis
      20631 views
      5. Kidney Transplant
    5. Kidney Transplant
      5706 views
      6. Treatment of Malfunctioned Kidneys
    6. Treatment of Malfunctioned Kidneys
      2333 views
      1.5: Thermoregulation (Practice Test)
      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
      3. Temperature Classification of Animals
    3. Temperature Classification of Animals
      6239 views
      4. Classification of Animals on the Basis of Heat Production
    4. Classification of Animals on the Basis of Heat Production
      5. Regulation of Heat Exchange Between Animals and Environment
    5. Regulation of Heat Exchange Between Animals and Environment
      4544 views
      1.6: Thermoregulation In Mammals (Man) (Practice Test)
      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
      4. The Structure and Role of Skin
    4. The Structure and Role of Skin
      178 views
      5. Skin and Lungs
    5. Skin and Lungs
      5287 views

    Chapter 2 Support And Movement ( 71 videos)  (Practice Test)

      2.1: Support In Plants (Practice Test)
      Support, Movement and Locomotion
    1. Support, Movement and Locomotion
      5709 views
      2. Support in Plants
    2. Support in Plants
      3. Parenchyma Tissues
    3. Parenchyma Tissues
      5296 views
      4. Collenchyma Tissues
    4. Collenchyma Tissues
      14321 views
      5. Sclerenchyma Tissues
    5. Sclerenchyma Tissues
      8400 views
      6. Secondary Growth
    6. Secondary Growth
      6209 views
      7. Heart Sap Wood
    7. Heart Sap Wood
      2920 views
      2.2: Movement In Plants (Practice Test)
      Types of Movements
    1. Types of Movements
      4799 views
      2. Tactic Movements
    2. Tactic Movements
      6942 views
      3. Thermotaxis and Chemotaxis
    3. Thermotaxis and Chemotaxis
      2471 views
      4. Turgor Movements
    4. Turgor Movements
      5076 views
      5. Growth Movements
    5. Growth Movements
      3793 views
      6. Tropic Movements
    6. Tropic Movements
      5322 views
      7. More on Tropic Movements
    7. More on Tropic Movements
      1287 views
      8. Geotropism and Hydrotropism
    8. Geotropism and Hydrotropism
      4336 views
      9. Nastic Movement
    9. Nastic Movement
      4198 views
      10. Types of Nastic Movement
    10. Types of Nastic Movement
      6304 views
      11. More on Nastic Movements
    11. More on Nastic Movements
      1197 views
      2.3: Role of Growth Substances In Plant Movement (Practice Test)
      Role of Plant Growth Substance in Plant Movements
    1. Role of Plant Growth Substance in Plant Movements
      2993 views
      2.4: Support And Locomotion In Animals
      Support and Locomotion in Animals
    1. Support and Locomotion in Animals
      3182 views
      2.5: Skeletal System (Practice Test)
      Hydrostatic Skeleton
    1. Hydrostatic Skeleton
      9873 views
      2. Exoskeleton
    2. Exoskeleton
      6196 views
      3. Ecdysis
    3. Ecdysis
      3621 views
      4. Endoskeleton
    4. Endoskeleton
      3406 views
      5. Human Skeleton, Axial Skeleton
    5. Human Skeleton, Axial Skeleton
      38474 views
      6. Skull
    6. Skull
      3485 views
      7. Ribs
    7. Ribs
      2583 views
      8. Vertebral Column
    8. Vertebral Column
      9 views
      9. Appendicular Skeleton
    9. Appendicular Skeleton
      3189 views
      10. Pelvic Girdle
    10. Pelvic Girdle
      3262 views
      11. Hind Limb
    11. Hind Limb
      12. Function of Skeletal System
    12. Function of Skeletal System
      2927 views
      13. Bones
    13. Bones
      10019 views
      14. Cartilages
    14. Cartilages
      6653 views
      15. More on Joints
    15. More on Joints
      3205 views
      16. Types of Joints
    16. Types of Joints
      11695 views
      17. Synovial Joint
    17. Synovial Joint
      4692 views
      18. Genetic Causes
    18. Genetic Causes
      3619 views
      19. Hormonal Causes of Skeleton Deformities
    19. Hormonal Causes of Skeleton Deformities
      3743 views
      20. Nutritional Causes
    20. Nutritional Causes
      1469 views
      21. Disc-Slip
    21. Disc-Slip
      6459 views
      22. Spondylosis
    22. Spondylosis
      3761 views
      23. Sciatica
    23. Sciatica
      4201 views
      24. Repair of Broken Bones
    24. Repair of Broken Bones
      8478 views
      2.6: Muscular System (Practice Test)
      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. Ultrastructure of Myofilament
    5. Ultrastructure of Myofilament
      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
    9. Energy for Muscle Contraction
      6576 views
      10. Tetany and Cramp
    10. Tetany and Cramp
      14328 views
      2.7: Arrangement of Skeletal Muscles For Skeletal Movement (Practice Test)
      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
      2.8: Locomotion (Practice Test)
      Locomotion In Amoeba
    1. Locomotion In Amoeba
      7958 views
      2. Locomotion In Euglena
    2. Locomotion In Euglena
      9644 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 Star Fish and Snail
    7. Locomotion in Star Fish and Snail
      9389 views
      8. Locomotion in Cockroach
    8. Locomotion in Cockroach
      6762 views
      9. Locomotion in Fish
    9. Locomotion in Fish
      8395 views
      10. Locomotion in Amphibian
    10. Locomotion in Amphibian
      4649 views
      11. Locomotion in Reptiles
    11. Locomotion in Reptiles
      4041 views
      12. Locomotion in Air
    12. Locomotion in Air
      4142 views
      13. Locomotion in Mammals
    13. Locomotion in Mammals
      3630 views
      2.9: Evolution of Skeleto-Muscular System
      Evolutionary Changes in The Arrangement of Bones
    1. Evolutionary Changes in The Arrangement of Bones

    Chapter 3 Coordination and Control ( 50 videos)  (Practice Test)

      3.1: Control In Plants (Practice Test)
      Stimuli, Receptors, Effectors, Response
    1. Stimuli, Receptors, Effectors, Response
      16832 views
      2. Control Through Hormones in Plants
    2. Control Through Hormones in Plants
      4224 views
      3. Types of Movements
    3. Types of Movements
      4799 views
      4. Biological Clocks and Circadian Rhythms
    4. Biological Clocks and Circadian Rhythms
      11435 views
      5. Photoperiodism
    5. Photoperiodism
      1909 views
      6. Defense Against Pathogens in Plants
    6. Defense Against Pathogens in Plants
      2811 views
      3.2: Plant Hormones (Practice Test)
      Auxins and Gibberellins
    1. Auxins and Gibberellins
      8872 views
      2. Cytokinin, Abscisic Acid and Ethylene
    2. Cytokinin, Abscisic Acid and Ethylene
      4923 views
      3.3: Co-ordination And Control In Animals (Practice Test)
      Types of Coordination
    1. Types of Coordination
      5018 views
      2. Coordinators, Effectors and Response
    2. Coordinators, Effectors and Response
      5570 views
      3. Nerve cell or Neuron
    3. Nerve cell or Neuron
      14832 views
      4. Nerve Types
    4. Nerve Types
      6815 views
      5. Neuron Types
    5. Neuron Types
      10302 views
      3.4: Nerve Impulse (Practice Test)
      Nerve Impulse
    1. Nerve Impulse
      12246 views
      2. Synapse
    2. Synapse
      11029 views
      3. Reflex Action
    3. Reflex Action
      10745 views
      3.5: Evolution of Nervous System (Practice Test)
      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
      3.6: 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
      3.7: Receptors (Practice Test)
      Receptors and Its Types
    1. Receptors and Its Types
      2045 views
      2. Working of Sensory Receptors With Special Reference to Skin
    2. Working of Sensory Receptors With Special Reference to Skin
      4786 views
      3.8: Effects of Drugs On Coordination (Practice Test)
      Effects of Drugs On Nervous Coordination
    1. Effects of Drugs On Nervous Coordination
      2. Parkinson's Disease
    2. Parkinson's Disease
      2833 views
      3. Alzheimer's Disease
    3. Alzheimer's Disease
      3664 views
      4. Epilepsy
    4. Epilepsy
      2577 views
      3.9: Chemical Coordination (Practice Test)
      Important endocrine gland
    1. Important endocrine gland
      9123 views
      2. Mode of Hormone Action
    2. Mode of Hormone Action
      4163 views
      3. Feedback Mechanism
    3. Feedback Mechanism
      11601 views
      4. Pituitary Gland
    4. Pituitary Gland
      7291 views
      5. Pituitary's Median Lobe and Posterior Lobe
    5. Pituitary's Median Lobe and Posterior Lobe
      4164 views
      6. Thyroid Gland
    6. Thyroid Gland
      10441 views
      7. Parathyroid
    7. Parathyroid
      7905 views
      8. Pancreas
    8. Pancreas
      10728 views
      9. Adrenal Gland
    9. Adrenal Gland
      9392 views
      10. Gonads
    10. Gonads
      8639 views
      11. Comparison of Nervous Coordination and Chemical Coordination
    11. Comparison of Nervous Coordination and Chemical Coordination
      3.10: Animal Behavior (Practice Test)
      Innate Behaviour
    1. Innate Behaviour
      11098 views
      2. More on Non-Orientation Behaviour
    2. More on Non-Orientation Behaviour
      3243 views
      3. Non - Orientation Behaviour
    3. Non - Orientation Behaviour
      5102 views
      4. Learning
    4. Learning
      13699 views
      5. More on Learning
    5. More on Learning
      6450 views
      6. Social Behaviour
    6. Social Behaviour
      5783 views
      7. More on Social Behaviour
    7. More on Social Behaviour
      4261 views
      8. Biological Clocks and Circadian Rhythms
    8. Biological Clocks and Circadian Rhythms
      11435 views

    Chapter 4 Reproduction ( 50 videos)  (Practice Test)

      4.1: Asexual Reproduction (Practice Test)
      Reproduction, Asexual and Sexual reproduction
    1. Reproduction, Asexual and Sexual reproduction
      11247 views
      2. Reproduction in Plants
    2. Reproduction in Plants
      7625 views
      3. Artificial Methods of Asexual Reproduction
    3. Artificial Methods of Asexual Reproduction
      3768 views
      4. Tissue Culturing and Genetic Engineering
    4. Tissue Culturing and Genetic Engineering
      694 views
      5. Advantages and Disadvantages of Tissue Culture or Cloning
    5. Advantages and Disadvantages of Tissue Culture or Cloning
      4.2: Sexual Reproduction (Practice Test)
      Different Types of Sexual Reproduction in Lower and Higher Plants
    1. Different Types of Sexual Reproduction in Lower and Higher Plants
      2. More on Vascular Plants - Successful Land Plants
    2. More on Vascular Plants - Successful Land Plants
      102 views
      3. Sexual Reproduction in Flowering Plants, The Flower
    3. Sexual Reproduction in Flowering Plants, The Flower
      1046 views
      4. Structure of Ovules
    4. Structure of Ovules
      2544 views
      5. Structure of Pollen Grain
    5. Structure of Pollen Grain
      2060 views
      6. Life Cycle of Flowering Plant
    6. Life Cycle of Flowering Plant
      20326 views
      7. Pollination
    7. Pollination
      4691 views
      8. Maize Pollination and Fertilization
    8. Maize Pollination and Fertilization
      2521 views
      9. Formation of Seed And Fruit
    9. Formation of Seed And Fruit
      2487 views
      10. Development and Structure of Seed
    10. Development and Structure of Seed
      17044 views
      11. Structure of Mature Seed
    11. Structure of Mature Seed
      2747 views
      4.3: Inflorescence (Practice Test)
      Inflorescence and Its Major Types
    1. Inflorescence and Its Major Types
      7929 views
      2. Racemose Inflorescence
    2. Racemose Inflorescence
      6290 views
      3. Cymose Inflorescence
    3. Cymose Inflorescence
      8167 views
      4.4: Sporophyte And Gametophyte Generations Alternate In The Life Cycle of Plant
      Sporophyte and Gametophyte Generations Alternate in The Life Cycle of Plant
    1. Sporophyte and Gametophyte Generations Alternate in The Life Cycle of
      4.5: Seed Dormancy (Practice Test)
      Seed Dormancy
    1. Seed Dormancy
      23099 views
      2. Fruit Ripening
    2. Fruit Ripening
      4605 views
      3. Parthenocarpy
    3. Parthenocarpy
      16333 views
      4.6: Transition To Flowering Stage (Practice Test)
      Germination of Seed
    1. Germination of Seed
      6453 views
      4.7: Vernalization (Practice Test)
      Vernalization
    1. Vernalization
      3429 views
      4.8: Photoperiodism (Practice Test)
      Photoperiodism
    1. Photoperiodism
      1909 views
      2. Mechanism of Photoperiodism
    2. Mechanism of Photoperiodism
      1342 views
      3. In Vitro is Fertilization of Plant Egg And Its Importance
    3. In Vitro is Fertilization of Plant Egg And Its Importance
      5306 views
      4.9: Asexual Reproduction (Practice Test)
      Budding
    1. Budding
      1392 views
      2. Regeneration and Parthenogenesis
    2. Regeneration and Parthenogenesis
      3872 views
      3. Animal Cloning
    3. Animal Cloning
      3382 views
      4. Identical Twins
    4. Identical Twins
      4.10: Sexual Reproduction (Practice Test)
      Sexual Reproduction
    1. Sexual Reproduction
      518 views
      2. Gametogenesis
    2. Gametogenesis
      9695 views
      3. Fertilization
    3. Fertilization
      2049 views
      4. Mating and Fertilization
    4. Mating and Fertilization
      3678 views
      5. Oviparity and Viviparity
    5. Oviparity and Viviparity
      4.11: Reproductive Organs Of A Human Male (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
      4.12: Reproductive Organs Of A Human Female (Practice Test)
      Female Reproductive System
    1. Female Reproductive System
      15779 views
      4.13: Female Reproductive Cycles (Practice Test)
      Function of Female Reproductive System
    1. Function of Female Reproductive System
      8878 views
      2. Menstrual Cycle
    2. Menstrual Cycle
      14343 views
      4.14: Hormonal Control of Reproductive Cycles (Practice Test)
      Hormonal Control of Reproductive Cycles
    1. Hormonal Control of Reproductive Cycles
      6842 views
      4.15: Conception And Pregnancy
      The Placenta
    1. The Placenta
      4.16: Birth
      Labour Process, Clamping And Cutting of Umbilical Cord
    1. Labour Process, Clamping And Cutting of Umbilical Cord
      2. Lactation/Nursing
    2. Lactation/Nursing
      4.17: Test Tube Babies
      Treatment of Infertility (In Vitro Fertilization)
    1. Treatment of Infertility (In Vitro Fertilization)
      4.18: Sexually Transmitted Diseases (Practice Test)
      Gonorrhea and Syphilis
    1. Gonorrhea and Syphilis
      2. AIDS, A Sexually Transmitted Disease
    2. AIDS, A Sexually Transmitted Disease
      7203 views

    Chapter 5 Growth And Development ( 19 videos)  (Practice Test)

      5.1: Growth and Development In Plant (Practice Test)
      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
      5.2: Conditions For Growth
      Condition of Growth
    1. Condition of Growth
      3860 views
      5.3: Growth Correlations
      Growth Correlation in Plants
    1. Growth Correlation in Plants
      5.4: Growth And Development In Animals (Practice Test)
      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
      5.5: Cell Differentiation And Its Mechanism (Practice Test)
      Cell Differentiation and Its Mechanism
    1. Cell Differentiation and Its Mechanism
      9336 views
      2. Hans Spemann's Experiment
    2. Hans Spemann's Experiment
      8604 views
      5.6: Role Of Nucleus In Development
      Role of Nucleus in Development
    1. Role of Nucleus in Development
      8441 views
      5.7: Role Of Cytoplasm In Development
      Role of Cytoplasm in Development
    1. Role of Cytoplasm in Development
      8490 views
      5.8: Aging
      Signs And Symptoms of Aging
    1. Signs And Symptoms of Aging
      5.9: Regeneration (Practice Test)
      Regeneration and Parthenogenesis
    1. Regeneration and Parthenogenesis
      3872 views
      5.10: Abnormal Development (Practice Test)
      Abnormal Development
    1. Abnormal Development
      2295 views

    Chapter 6 Chromosomes And DNA ( 33 videos)  (Practice Test)

      6.1: Types of Chromosomes (Practice Test)
      Organisms Have Number of Chromosomes Specific to Their Species
    1. Organisms Have Number of Chromosomes Specific to Their Species
      4415 views
      2. Gene and Genome, Chromosome, Chromatin
    2. Gene and Genome, Chromosome, Chromatin
      11553 views
      3. Types of Chromosomes
    3. Types of Chromosomes
      14095 views
      6.2: Chemical Composition of Chromosomes (Practice Test)
      Composition of Chromosome
    1. Composition of Chromosome
      25284 views
      2. Gene and Genome, Chromosome, Chromatin
    2. Gene and Genome, Chromosome, Chromatin
      11553 views
      6.3: Chromosomes As Carriers Of Genes
      Gamete - A Vehicle of Inheritance
    1. Gamete - A Vehicle of Inheritance
      4638 views
      6.4: Chromosomal Theory Of Heredity (Practice Test)
      The Chromosomal Theory of Inheritance
    1. The Chromosomal Theory of Inheritance
      27027 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. How Does the DNA of Chromosome work?
    6. How Does the DNA of Chromosome work?
      7297 views
      7. Significance of Base Sequence
    7. Significance of Base Sequence
      2304 views
      8. Watson-Crick Model of DNA
    8. Watson-Crick Model of DNA
      65841 views
      9. Replication of DNA
    9. Replication of DNA
      16059 views
      10. Types of Replication
    10. Types of Replication
      5830 views
      11. The Meselson-Stahl Experiment
    11. The Meselson-Stahl Experiment
      13174 views
      6.5: Genes--- The Unit Of Hereditary Information (Practice Test)
      Genes and Enzymes
    1. Genes and Enzymes
      2311 views
      2. Experiment of Beadle and Tatum on Neurospora
    2. Experiment of Beadle and Tatum on Neurospora
      17395 views
      3. Types of RNA
    3. Types of RNA
      13828 views
      4. Transcription
    4. Transcription
      18325 views
      5. Advance Transcription
    5. Advance Transcription
      4411 views
      6. More on Transcription
    6. More on Transcription
      9405 views
      7. Post-Transcriptional Modification of mRNA
    7. Post-Transcriptional Modification of mRNA
      6465 views
      8. Translation
    8. Translation
      15338 views
      9. Translation, Protein Synthesis
    9. Translation, Protein Synthesis
      6024 views
      10. More on Translation, Protein Synthesis
    10. More on Translation, Protein Synthesis
      3969 views
      11. Genetic Code
    11. Genetic Code
      5380 views
      6.6: Mutation (Practice Test)
      Importance of Mutation
    1. Importance of Mutation
      2822 views
      2. Chromosomal Mutations
    2. Chromosomal Mutations
      5795 views
      3. Mutations
    3. Mutations
      6593 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 7 Cell Cycle ( 17 videos)  (Practice Test)

      7.1: Interphase And Cell Division (Practice Test)
      Cell Cycle
    1. Cell Cycle
      20785 views
      2. Amitotic Cell Division In Prokaryotes
    2. Amitotic Cell Division In Prokaryotes
      3575 views
      7.2: Cell Death (Necrosis and Apoptosis)
      Apoptosis and Necrosis
    1. Apoptosis and Necrosis
      2655 views
      7.3: Mitosis (Practice Test)
      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
      7.4: Meiosis (Practice Test)
      Metaphase I, Anaphase I and Telophase I
    1. Metaphase I, Anaphase I and Telophase I
      15853 views
      2. Meiosis-I, Prophase I
    2. Meiosis-I, Prophase I
      13659 views
      3. Meiosis I (Prophase I)
    3. Meiosis I (Prophase I)
      8802 views
      4. Meiosis-II
    4. Meiosis-II
      7798 views
      5. Significance of Meiosis
    5. Significance of Meiosis
      8647 views
      6. Importance of Meiosis
    6. Importance of Meiosis
      2663 views
      7. Chromosomal Mutations
    7. Chromosomal Mutations
      5795 views
      8. Chromosomal Mutations (Turner Syndrome)
    8. Chromosomal Mutations (Turner Syndrome)
      4338 views

    Chapter 8 Variation And Genetics ( 26 videos)  (Practice Test)

      8.1: Genes And Alleles (Practice Test)
      Genes, Locus, Alleles, Phenotype, Genotype
    1. Genes, Locus, Alleles, Phenotype, Genotype
      22120 views
      2. Gene Pool
    2. Gene Pool
      10442 views
      8.2: Review of Mendel's Laws of 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. Punnet Square, Test Cross
    4. Punnet Square, Test Cross
      4894 views
      8.3: Incomplete Dominance And Codominance (Practice Test)
      Incomplete Dominance
    1. Incomplete Dominance
      8390 views
      2. Complete Dominance
    2. Complete Dominance
      5375 views
      8.4: Multiple Alleles (Practice Test)
      Multiple Alleles
    1. Multiple Alleles
      7716 views
      2. Epistasis
    2. Epistasis
      9802 views
      3. Wheat Grain Colour
    3. Wheat Grain Colour
      4859 views
      4. Human Skin Colour
    4. Human Skin Colour
      3448 views
      5. Pleiotropy
    5. Pleiotropy
      5738 views
      8.5: Linkage And Crossing Over (Practice Test)
      Genetic Recombination
    1. Genetic Recombination
      7696 views
      2. Patterns of Sex Determination
    2. Patterns of Sex Determination
      3770 views
      8.6: Sex Determination And Sex Linkage (Practice Test)
      Sex Linkage
    1. Sex Linkage
      1374 views
      2. Sex Determination, Chromosome in Drosophila
    2. Sex Determination, Chromosome in Drosophila
      5522 views
      3. Sex Linkage in Drosophila
    3. Sex Linkage in Drosophila
      12208 views
      4. Comparison of Chromosomal Determination of Sex Between Drosophila and Humans
    4. Comparison of Chromosomal Determination of Sex Between Drosophila and
      4292 views
      5. Chromosome in Man
    5. Chromosome in Man
      2013 views
      6. Sex-Linkage in Human
    6. Sex-Linkage in Human
      3958 views
      7. Sex Linked Inheritance, Colour Blindness
    7. Sex Linked Inheritance, Colour Blindness
      8494 views
      8. Haemophilia
    8. Haemophilia
      4161 views
      9. More on Haemophilia
    9. More on Haemophilia
      2149 views
      8.7: Diabetes Mellitus (Practice Test)
      Diabetes Mellitus and Its Genetic Basis
    1. Diabetes Mellitus and Its Genetic Basis
      2732 views
      2. Diabetes Mellitus Type II and Its Genetic Basis
    2. Diabetes Mellitus Type II and Its Genetic Basis
      1646 views

    Chapter 9 Biotechnology ( 25 videos)  (Practice Test)

      9.1: Genetic Engineering (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. Genetic Engineering
    3. Genetic Engineering
      190 views
      4. Using Bacteria in Genetic Engineering
    4. Using Bacteria in Genetic Engineering
      27401 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. DNA Ligase and Expression System
    8. DNA Ligase and Expression System
      2946 views
      9. Application of Genetically Modified Bacteria
    9. Application of Genetically Modified Bacteria
      2437 views
      10. Transgenic Plants
    10. Transgenic Plants
      8973 views
      11. Methods of Creation of Transgenic Animals
    11. Methods of Creation of Transgenic Animals
      14583 views
      12. DNA Sequencing
    12. DNA Sequencing
      5611 views
      13. Analyzing DNA
    13. Analyzing DNA
      4331 views
      14. Genomic Library
    14. Genomic Library
      8864 views
      15. The Human Genome Project
    15. The Human Genome Project
      5217 views
      16. Benefits of Human Genome Project
    16. Benefits of Human Genome Project
      2514 views
      17. Role of Biotechnology in Diagnosis of Diseases
    17. Role of Biotechnology in Diagnosis of Diseases
      2189 views
      18. Cystic Fibrosis
    18. Cystic Fibrosis
      2080 views
      19. Gene Therapy
    19. Gene Therapy
      4158 views
      20. Gene Therapy (Ex-Vivo)
    20. Gene Therapy (Ex-Vivo)
      3917 views
      21. Gene Therapy In-Vivo Method
    21. Gene Therapy In-Vivo Method
      2883 views
      9.2: 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 Cloning
    3. Animal Cloning
      3382 views
      4. Agricultural plants With Improved Traits
    4. Agricultural plants With Improved Traits
      1369 views

    Chapter 10 Evolution ( 17 videos)  (Practice Test)

      10.1: Theories of Evolution (Practice Test)
      Concept of Evolution VS Special Creation
    1. Concept of Evolution VS Special Creation
      7210 views
      2. Evolution From Prokaryotes to Eukaryotes
    2. Evolution From Prokaryotes to Eukaryotes
      10401 views
      3. Inheritance of Acquired Characteristics
    3. Inheritance of Acquired Characteristics
      5921 views
      4. Objections on Lamarckian Theory
    4. Objections on Lamarckian Theory
      3708 views
      5. Weismann's Theory
    5. Weismann's Theory
      3648 views
      6. Theory of Natural Selection
    6. Theory of Natural Selection
      11343 views
      7. More on Theory of Natural Selection
    7. More on Theory of Natural Selection
      2449 views
      8. Variations And Natural Selection
    8. Variations And Natural Selection
      121 views
      9. Alfred Russell Wallace
    9. Alfred Russell Wallace
      770 views
      10.2: Evidence In Favor Of Organic Evolution (Practice Test)
      Evidence From Comparative Anatomy
    1. Evidence From Comparative Anatomy
      5051 views
      2. Comparative Embryology and Molecular Biology
    2. Comparative Embryology and Molecular Biology
      3493 views
      10.3: Importance of Natural Selection As Possible Mechanism For Evolution (Practice Test)
      Importance of Natural Selection As Possible Mechanism For Evolution
    1. Importance of Natural Selection As Possible Mechanism For Evolution
      2. Gene Pool
    2. Gene Pool
      10442 views
      10.4: Artificial Selection And Its Role (Practice Test)
      Artificial Selection
    1. Artificial Selection
      9753 views
      10.5: Gene Frequencies and Their Role In Evolution (Practice Test)
      Gene Frequencies and Their Role in Evolution
    1. Gene Frequencies and Their Role in Evolution
      4193 views
      2. Hardy-Weinberg Law And Its Implication
    2. Hardy-Weinberg Law And Its Implication
      10.6: Endangered Species (Practice Test)
      Endangered Species
    1. Endangered Species
      1933 views

    Chapter 11 Ecosystem ( 26 videos)  (Practice Test)

      11.1: Levels of Organization (Practice Test)
      Ecology
    1. Ecology
      2941 views
      2. Biosphere
    2. Biosphere
      10372 views
      11.2: Approaches To Ecology (Practice Test)
      Autecology and Synecology
    1. Autecology and Synecology
      6364 views
      11.3: The Ecosystem (Practice Test)
      Components of Ecosystem
    1. Components of Ecosystem
      5633 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. Edaphic Factors
    5. Edaphic Factors
      3518 views
      6. Topographic Factors
    6. Topographic Factors
      1671 views
      7. Biotic Components
    7. Biotic Components
      1793 views
      8. Processes in Ecosystem and Interaction Between Biotic Components
    8. Processes in Ecosystem and Interaction Between Biotic Components
      1045 views
      11.4: Biogeochemical Cycles (Practice Test)
      The Nitrogen Cycle
    1. The Nitrogen Cycle
      3523 views
      2. More on Nitrogen Cycle
    2. More on Nitrogen Cycle
      1332 views
      11.5: Interdependence Of Organisms And Their Significance (Practice Test)
      Competition
    1. Competition
      2. Parasitism
    2. Parasitism
      2517 views
      3. Symbiosis
    3. Symbiosis
      3557 views
      4. More on Symbiosis
    4. More on Symbiosis
      1817 views
      5. Commensalism, Grazing
    5. Commensalism, Grazing
      1221 views
      11.6: Ecological Succession (Practice Test)
      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. Hydrosere
    4. Hydrosere
      844 views
      5. More on Hydrosere
    5. More on Hydrosere
      575 views
      6. Wood Land Climax Forest Stage of Hydrosere
    6. Wood Land Climax Forest Stage of Hydrosere
      430 views
      7. Xerosere
    7. Xerosere
      2174 views
      8. More on Xerosere
    8. More on Xerosere
      903 views

    Chapter 12 Some Major Ecosystems ( 19 videos)  (Practice Test)

      12.1: Life In Fresh Water (Practice Test)
      Fresh Water (Standing Water Bodies)
    1. Fresh Water (Standing Water Bodies)
      1944 views
      2. Components of Pond Ecosystem
    2. Components of Pond Ecosystem
      3441 views
      3. Biotic components of Pond Ecosystem
    3. Biotic components of Pond Ecosystem
      12.2: Life In Marine Water (Practice Test)
      Life in Ocean
    1. Life in Ocean
      988 views
      2. Oceanic Zone
    2. Oceanic Zone
      7532 views
      12.3: Terrestrial Ecosystem (Biomes) (Practice Test)
      Tropical Rainforest
    1. Tropical Rainforest
      2199 views
      2. Coniferous Alpine and Boreal Forests
    2. Coniferous Alpine and Boreal Forests
      3215 views
      3. Temperate Deciduous Forests
    3. Temperate Deciduous Forests
      2523 views
      4. More on Temperate Deciduous Forests
    4. More on Temperate Deciduous Forests
      769 views
      5. The Grass Land Ecosystem
    5. The Grass Land Ecosystem
      6047 views
      6. More on Grass Land Ecosystem
    6. More on Grass Land Ecosystem
      999 views
      7. Tropical Grassland OR Savannah
    7. Tropical Grassland OR Savannah
      686 views
      8. Desert Ecosystem
    8. Desert Ecosystem
      3468 views
      9. Desert Ecosystem (Adaptations in Plants)
    9. Desert Ecosystem (Adaptations in Plants)
      1084 views
      10. Desert Ecosystem (Adaptations in Animals)
    10. Desert Ecosystem (Adaptations in Animals)
      1357 views
      11. Tundra Ecosystem
    11. Tundra Ecosystem
      2558 views
      12. Alpine Tundra
    12. Alpine Tundra
      987 views
      12.4: Man's Role In Ecosystem
      Man's Role in Ecosystems
    1. Man's Role in Ecosystems
      12.5: The Flow Of Energy (Practice Test)
      Biotic Components
    1. Biotic Components
      1793 views

    Chapter 13 Man And His Environment ( 25 videos)  (Practice Test)

      13.1: Renewable and Non-Renewable Resources (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
      5. Nuclear Power
    5. Nuclear Power
      1342 views
      6. Geothermal Power
    6. Geothermal Power
      840 views
      7. Solar energy
    7. Solar energy
      1073 views
      8. Tidal Power and Wind Power
    8. Tidal Power and Wind Power
      1283 views
      13.2: Energy Conservation (Practice Test)
      Green House Effect
    1. Green House Effect
      5647 views
      2. How to Save Energy?
    2. How to Save Energy?
      13.3: Man's Impact On Environment
      Human Impact on Environment
    1. Human Impact on Environment
      13.4: Effects On Agriculture
      Land Pollution
    1. Land Pollution
      3544 views
      13.5: Deforestation And Afforestation (Practice Test)
      Deforestation, Soil Erosion
    1. Deforestation, Soil Erosion
      2459 views
      2. Effect of Human Activities on Environment
    2. Effect of Human Activities on Environment
      2956 views
      13.6: Pollution (Practice Test)
      Air Pollution
    1. Air Pollution
      2761 views
      2. Acid Rain
    2. Acid Rain
      6450 views
      3. Effect of Acid Rain
    3. Effect of Acid Rain
      3475 views
      4. Green House Effect
    4. Green House Effect
      5647 views
      5. Depletion of Ozone
    5. Depletion of Ozone
      6088 views
      6. Land Pollution
    6. Land Pollution
      3544 views
      13.7: Non-Material Pollution
      Noise Pollution
    1. Noise Pollution
      224 views
      13.8: Protection And Conservation of Environment
      Conservation of Biodiversity
    1. Conservation of Biodiversity
      842 views
      13.9: Conservation of Organisms And Their Habitat
      Conservation of Biodiversity
    1. Conservation of Biodiversity
      842 views
      13.10: Health And Diseases (Practice Test)
      Bacterial Diseases in Man
    1. Bacterial Diseases in Man
      3324 views
      2. Viral Diseases
    2. Viral Diseases
      4137 views