Biology | Class 12

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    Chapter 14 Respiration (24 videos) (Practice Test) (Exercises Exercise Answers)

      14.1: Respiratory System of Man (Practice Test)
      Properties of Respiratory Surfaces
    1. Properties of Respiratory Surfaces
      13106 views
      2. Upper Respiratory Tract (Nose)
    2. Upper Respiratory Tract (Nose)
      11024 views
      3. Pharynx
    3. Pharynx
      14559 views
      4. Lower Respiratory Tract (Larynx and Trachea)
    4. Lower Respiratory Tract (Larynx and Trachea)
      5760 views
      5. Bronchi and Bronchioles
    5. Bronchi and Bronchioles
      5698 views
      6. Alveolar Ducts and Alveoli
    6. Alveolar Ducts and Alveoli
      7. The Lungs
    7. The Lungs
      12451 views
      8. External Structure of lungs
    8. External Structure of lungs
      9. Inspiration
    9. Inspiration
      705 views
      10. Expiration
    10. Expiration
      469 views
      11. Lungs Volumes and Capacities
    11. Lungs Volumes and Capacities
      1288 views
      12. Control of Breathing (ventilation)
    12. Control of Breathing (ventilation)
      5882 views
      14.2: Mechanism of Transport of Respiratory Gases (Practice Test)
      Hemoglobin
    1. Hemoglobin
      1384 views
      2. Myoglobin
    2. Myoglobin
      1443 views
      3. Transport of Oxygen
    3. Transport of Oxygen
      1438 views
      4. Transport of (CO2)
    4. Transport of (CO2)
      5655 views
      5. As Carboxyhemoglobin, AS a Dissolved Carbon Dioxide in Plasma
    5. As Carboxyhemoglobin, AS a Dissolved Carbon Dioxide in Plasma
      2101 views
      14.3: Respiratory Disorders (Practice Test)
      Upper Respiratory Disorders, Sinusitis
    1. Upper Respiratory Disorders, 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 effects of smoking
    7. Bad effects of smoking
      4565 views

    Chapter 15 Homeostasis (32 videos) (Practice Test) (Exercises Exercise Answers)

      15.1: Homeostasis (Practice Test)
      Osmoregulation, Thermoregulation and Excretion
    1. Osmoregulation, Thermoregulation and Excretion
      29601 views
      2. Coordinated Action, Stimuli, Response
    2. Coordinated Action, Stimuli, Response
      14790 views
      3. Concept of Feedback
    3. Concept of Feedback
      8080 views
      15.2: 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
      15.3: Excretion (Practice Test)
      Excretion in Vertebrates, Nephrons, Kidney
    1. Excretion in Vertebrates, Nephrons, Kidney
      6528 views
      2. Nature of Excretory Products in Relation to Habitats
    2. Nature of Excretory Products in Relation to Habitats
      7312 views
      3. Urea
    3. Urea
      5312 views
      4. Uric Acid
    4. Uric Acid
      6574 views
      15.4: Excretory System of Man (Practice Test)
      Structure of Kidney
    1. Structure of Kidney
      49113 views
      2. Structure of Nephron
    2. Structure of Nephron
      11277 views
      3. Blood Circulation to Nephron
    3. Blood Circulation to Nephron
      6650 views
      4. Type of Nephron
    4. Type of Nephron
      7109 views
      5. Functions of Kidney
    5. Functions of Kidney
      27826 views
      6. Functions of Kidney
    6. Functions of Kidney
      9917 views
      7. Urea Formation , Kidney Filtration
    7. Urea Formation , Kidney Filtration
      3968 views
      8. Urinary system
    8. Urinary system
      9245 views
      9. Concentration of Excretory Product
    9. Concentration of Excretory Product
      4743 views
      10. Kidney as Osmoregulatory Organ
    10. Kidney as Osmoregulatory Organ
      12046 views
      11. Effect of Hormones on The Working of Kidney
    11. Effect of Hormones on The Working of Kidney
      4107 views
      15.5: 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. Lithotripsy
    3. Lithotripsy
      3666 views
      4. Kidney (Renal) Failure, Dialysis
    4. Kidney (Renal) Failure, Dialysis
      13435 views
      5. Peritoneal Dialysis
    5. Peritoneal Dialysis
      20631 views
      6. Kidney Transplant
    6. Kidney Transplant
      2333 views
      15.6: Thermoregulation (Practice Test)
      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
      4. Regulatory Strategies
    4. Regulatory Strategies
      3674 views

    Chapter 16 Support and Movement (32 videos) (Practice Test) (Exercises Exercise Answers)

      16.1: Structure of Bone (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 (Deformities) of Skeleton (Practice Test)
      Disc-Slip
    1. Disc-Slip
      6459 views
      2. Spondylosis
    2. Spondylosis
      3761 views
      3. Sciatica
    3. Sciatica
      4201 views
      4. Arthritis and its Types
    4. Arthritis and its Types
      1679 views
      5. Repair of Broken Bones
    5. Repair of Broken Bones
      8478 views
      6. Joint Injuries
    6. 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. Ultra Structure of Microfilaments
    6. Ultra Structure of Microfilaments
      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. Movement in Knee Joint
    12. Movement in Knee Joint
      13. Energy for Muscle Contraction, Muscle Fatigue
    13. Energy for Muscle Contraction, Muscle Fatigue
      6576 views
      14. Tetany, Cramp
    14. Tetany, Cramp
      14328 views

    Chapter 17 Nervous Coordination (30 videos) (Practice Test) (Exercises Exercise Answers)

      17.1: Nervous System of Man (Practice Test)
      Stimuli, Receptors, Effectors, Response
    1. Stimuli, Receptors, Effectors, Response
      16832 views
      2. Working of Sensory Receptors with Special Reference to Skin
    2. Working of Sensory Receptors with Special Reference to Skin
      4786 views
      17.2: Neurons (Practice Test)
      Nerve cell or Neuron
    1. Nerve cell or Neuron
      14832 views
      2. Neuron Types
    2. Neuron Types
      10302 views
      3. Nervous Tissue
    3. Nervous Tissue
      3224 views
      4. Reflex Action
    4. Reflex Action
      10745 views
      17.3: Nerve Impulse (Practice Test)
      Nerve Impulse and Resting Membrane Potential
    1. Nerve Impulse and Resting Membrane Potential
      12246 views
      2. Generation and transmission of nerve impulse
    2. Generation and transmission of nerve impulse
      3. Refractory Period
    3. Refractory Period
      4. Velocities of Nerve Impulse
    4. Velocities of Nerve Impulse
      17.4: Synapse (Practice Test)
      Synapse
    1. Synapse
      11029 views
      2. Classification of Neurotransmitters
    2. Classification of Neurotransmitters
      17.5: Human Nervous System (Practice Test)
      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. More on Spinal cord
    5. More on Spinal cord
      6042 views
      6. Spinal cord
    6. Spinal cord
      4313 views
      7. Peripheral Nervous System (PNS)
    7. Peripheral Nervous System (PNS)
      29672 views
      8. More on Peripheral Nervous System (PNS)
    8. More on Peripheral Nervous System (PNS)
      2975 views
      9. Peripheral Nervous System (PNS)
    9. Peripheral Nervous System (PNS)
      6602 views
      10. More on Peripheral Nervous System (PNS)
    10. More on Peripheral Nervous System (PNS)
      4203 views
      11. Other Senses, Smell, Taste and Touch
    11. Other Senses, Smell, Taste and Touch
      2404 views
      17.6: Effect of Drugs On Nervous Coordination (Practice Test)
      Effects of Drugs On Nervous Coordination
    1. Effects of Drugs On Nervous Coordination
      17.7: Disorders of Nervous System And Diagnostic Tests (Practice Test)
      Stroke
    1. Stroke
      849 views
      2. Meningitis
    2. Meningitis
      1315 views
      3. Brain Tumors
    3. Brain Tumors
      1249 views
      4. Headache
    4. Headache
      1311 views
      5. Alzheimer's Disease
    5. Alzheimer's Disease
      3664 views
      6. Electroencephalography
    6. Electroencephalography
      419 views

    Chapter 18 Chemical Coordination (14 videos) (Practice Test) (Exercises Exercise Answers)

      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. Disorders of Cortical Hormones
    8. Disorders of Cortical Hormones
      9. Gonads
    9. Gonads
      8639 views
      10. Thymus and Pineal Gland
    10. Thymus and Pineal Gland
      11. Role of Nervous System and gastrin Hormone on the Secretion of Gastric Juice
    11. Role of Nervous System and gastrin Hormone on the Secretion of Gastric Juice
      1837 views
      18.3: Feedback Mechanism (Practice Test)
      Feed Back Mechanism
    1. Feed Back Mechanism
      11601 views

    Chapter 19 Behavior (11 videos) (Practice Test)

      19.1: Nature of Behavior (Practice Test)
      Relationship Between Stimuli and Behavior
    1. Relationship Between Stimuli and Behavior
      2930 views
      2. Biological Clocks and Circadian Rhythms
    2. Biological Clocks and Circadian Rhythms
      11435 views
      19.2: Innate Behavior (Practice Test)
      Tropic Movement
    1. Tropic Movement
      5322 views
      2. Geotropism and Hydrotropism
    2. Geotropism and Hydrotropism
      4336 views
      3. Innate Behavior
    3. Innate Behavior
      11098 views
      4. Non-orientation Behavior
    4. Non-orientation Behavior
      5102 views
      5. More on Innate Behavior
    5. More on Innate Behavior
      3243 views
      19.3: Learning (Practice Test)
      Learning Behavior
    1. Learning Behavior
      13699 views
      2. more on Learning Behavior
    2. more on Learning Behavior
      6450 views
      19.4: Social Behaviors (Practice Test)
      Social Behaviors
    1. Social Behaviors
      5783 views
      2. More on Social Behaviors
    2. More on Social Behaviors
      4261 views

    Chapter 20 Reproduction (14 videos) (Practice Test) (Exercises Exercise Answers)

      20.1: Reproductive System of Human (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
      Azoospermia and Oligospermia
    1. Azoospermia and Oligospermia
      2. Causes of female infertility
    2. Causes of female infertility
      3. Treatment of Infertility (Invitro Fertilization)
    3. Treatment of Infertility (Invitro Fertilization)
      4. Miscarriage
    4. Miscarriage
      20.3: Sexually Transmitted Diseases (Practice Test)
      Syphilis, Gonorrhea
    1. Syphilis, Gonorrhea
      2. AIDS, A Sexually Transmitted Disease
    2. AIDS, A Sexually Transmitted Disease
      7203 views

    Chapter 21 Development and Aging (26 videos) (Practice Test) (Exercises Exercise Answers)

      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: Role of Nucleus In Development (Practice Test)
      Role of Nucleus in Development
    1. Role of Nucleus in Development
      8441 views
      2. Embryonic Induction (First Experiment)
    2. Embryonic Induction (First Experiment)
      18497 views
      3. Embryonic Induction (Second Experiment)
    3. Embryonic Induction (Second Experiment)
      9140 views
      4. Embryonic Induction (Third Experiment)
    4. Embryonic Induction (Third Experiment)
      16145 views
      5. Role of Cytoplasm in Development
    5. Role of Cytoplasm in Development
      8490 views
      6. Cell Differentiation and Its Mechanism
    6. Cell Differentiation and Its Mechanism
      9336 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. Development of placenta and Major Events of Organogenesis
    3. Development of placenta and Major Events of Organogenesis
      4. Second Trimester and Third Trimester
    4. Second Trimester and Third Trimester
      5. Identical Twins
    5. Identical Twins
      6. The Placenta
    6. The Placenta
      21.4: Birth And Nursing
      Lactation/Nursing
    1. Lactation/Nursing
      2. Increased ratio of Estrogen to Progesterone
    2. Increased ratio of Estrogen to Progesterone
      21.5: Disorders During Embryonic Development
      Disorders during embryonic development and Rubella
    1. Disorders during embryonic development and Rubella
      2. Neural Tube defects
    2. Neural Tube defects
      3. limb Abnormalities and Thyroid Gland
    3. limb Abnormalities and Thyroid Gland
      4. Genetic Abnormalities Related to Spontaneous Abortions
    4. Genetic Abnormalities Related to Spontaneous Abortions
      21.6: Postnatal Development
      Postnatal Development
    1. Postnatal Development
      21.7: Aging (Practice Test)
      Signs And Symptoms of Aging
    1. Signs And Symptoms of Aging

    Chapter 22 Inheritance (42 videos) (Practice Test) (Exercises Exercise Answers)

      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. Punnet Square, Test Cross
    4. Punnet Square, Test Cross
      4894 views
      5. Statistics and Probability relevant to Genetics
    5. Statistics and Probability relevant to Genetics
      22.2: Exceptions To Mendelian Inheritance (Practice Test)
      Complete Dominance
    1. Complete Dominance
      5375 views
      2. Incomplete Dominance
    2. Incomplete Dominance
      8390 views
      3. Co-Dominance
    3. Co-Dominance
      8185 views
      4. Over Dominance
    4. Over Dominance
      7142 views
      5. Multiple Alleles
    5. Multiple Alleles
      7716 views
      22.3: Blood Group System (Practice Test)
      ABO-Blood Group System
    1. ABO-Blood Group System
      9962 views
      22.4: Rh Blood Group System And Erythroblastosis Foetalis (Practice Test)
      Rh Blood Group System
    1. Rh Blood Group System
      675 views
      2. Erythroblastosis Fetalis
    2. Erythroblastosis Fetalis
      8852 views
      22.5: Polygenic 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. Pleiotropy
    3. Pleiotropy
      5738 views
      4. Epistasis
    4. Epistasis
      9802 views
      5. Discontinuous and Continuous Variations
    5. Discontinuous and Continuous Variations
      9470 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 (Lathyrus Odoratus)
      8. Bombay Phenotype
    8. Bombay Phenotype
      9914 views
      9. Qualitative Traits
    9. Qualitative Traits
      5211 views
      10. Quantitative Traits
    10. Quantitative Traits
      5334 views
      22.6: Gene Linkage and Crossing Over (Practice Test)
      Gene Linkage
    1. Gene Linkage
      11098 views
      2. Crossing Over
    2. Crossing Over
      24910 views
      3. Genetic Recombination
    3. Genetic Recombination
      7696 views
      22.7: Sex Determination (Practice Test)
      Patterns of Sex Determination
    1. Patterns of Sex Determination
      3770 views
      2. Sex Determination, Chromosome in Drosophila
    2. Sex Determination, Chromosome in Drosophila
      5522 views
      3. Chromosome in Man
    3. Chromosome in Man
      2013 views
      4. Comparison of Chromosomal Determination of Sex Between Drosophila and Humans
    4. Comparison of Chromosomal Determination of Sex Between Drosophila and Humans
      4292 views
      22.8: Sex Linkage (Practice Test)
      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. X- linked Dominant Inheritance
    5. X- linked Dominant Inheritance
      5677 views
      6. X- linked Recessive Inheritance
    6. X- linked Recessive Inheritance
      4883 views
      7. Y- linked Inheritance
    7. Y- linked Inheritance
      4588 views
      8. Haemophilia
    8. Haemophilia
      4161 views
      9. More on Haemophilia
    9. More on Haemophilia
      2149 views
      10. Sex Linkage, Colour Blindness
    10. Sex Linkage, Colour Blindness
      8494 views
      11. Nightblindness and Colour Blindness
    11. Nightblindness and Colour Blindness
      3056 views
      12. Sex Limited Trait, Sex Influenced trait
    12. Sex Limited Trait, Sex Influenced trait
      7895 views

    Chapter 23 Chromosomes And DNA (38 videos) (Practice Test) (Exercises Exercise Answers)

      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. Gene, Chromosome, Chromatin
    4. Gene, Chromosome, Chromatin
      11553 views
      5. Number and Structure of Chromosome
    5. Number and Structure of Chromosome
      14313 views
      6. Concept of Gene
    6. Concept of Gene
      14952 views
      7. Structure of a Gene
    7. Structure of a Gene
      18435 views
      8. What is a Gene
    8. What is a Gene
      7532 views
      9. Chromosomes as a Carriers of Genes
    9. Chromosomes as a Carriers of Genes
      4638 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)
      Replication of DNA
    1. Replication of DNA
      16059 views
      2. DNA Replication in Prokaryotes and Eukaryotes
    2. DNA Replication in Prokaryotes and Eukaryotes
      4152 views
      3. Types of Replication
    3. Types of Replication
      5830 views
      4. The Meselson-Stahl Experiment
    4. The Meselson-Stahl Experiment
      13174 views
      5. Mechanism of DNA Replication
    5. Mechanism of DNA Replication
      33400 views
      6. More on Mechanism of DNA Replication
    6. More on Mechanism of DNA Replication
      11768 views
      23.4: Central Dogma of Biology (Gene Expression) (Practice Test)
      Transcription
    1. Transcription
      18325 views
      2. Advance Transcription
    2. Advance Transcription
      6000 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. Genetic Code
    6. Genetic Code
      5380 views
      7. Translation
    7. Translation
      15338 views
      8. Advance Translation, Protein Synthesis
    8. Advance Translation, Protein Synthesis
      6024 views
      9. More on Translation
    9. More on Translation
      3969 views
      10. Difference between Translation in Prokaryotes and Eukaryotes
    10. Difference between Translation in Prokaryotes and Eukaryotes
      2160 views
      23.5: Regulation of Gene Expression (Practice Test)
      Methods of Regulation of Gene Expression
    1. Methods of Regulation of Gene Expression
      4836 views
      2. Regulation of Gene Expression
    2. Regulation of Gene Expression
      6845 views
      3. Mechanism of Negative Control
    3. Mechanism of Negative Control
      1754 views
      4. Mechanism of Positive Control
    4. Mechanism of Positive Control
      1628 views
      23.6: Mutations (Practice Test)
      Mutations
    1. Mutations
      6593 views
      2. Importance of Mutation
    2. Importance of Mutation
      2822 views
      3. Origin of Mutation
    3. Origin of Mutation
      4. Types of Mutation
    4. Types of Mutation
      5. Chromosomal Mutations
    5. Chromosomal Mutations
      5795 views
      6. Turner Syndrome
    6. Turner Syndrome
      4338 views
      7. Point Mutation
    7. Point Mutation
      2870 views

    Chapter 24 Evolution (21 videos) (Practice Test) (Exercises Exercise Answers)

      24.1: Evolution And The Concept of Evolution (Practice Test)
      Concept of Evolution VS Special Creation
    1. Concept of Evolution VS Special Creation
      7210 views
      24.2: Evidences of Evolution (Practice Test)
      Biogeography, The Fossil Record and Comparative Anatomy
    1. Biogeography, The Fossil Record and Comparative Anatomy
      5051 views
      2. Comparative Embryology and Molecular Biology
    2. Comparative Embryology and Molecular Biology
      3493 views
      3. Evidence From Biogeography and Paleontology
    3. Evidence From Biogeography and Paleontology
      24.3: Evolution of Eukaryotes From Prokaryotes (Practice Test)
      Evolution From Prokaryotes to Eukaryotes
    1. Evolution From Prokaryotes to Eukaryotes
      10401 views
      24.4: Lamarckism (Practice Test)
      Lamarckism
    1. Lamarckism
      3885 views
      2. Inheritance of Acquired Characteristics
    2. Inheritance of Acquired Characteristics
      5921 views
      3. Objections on Lamarckian Theory
    3. Objections on Lamarckian Theory
      3708 views
      24.5: Darwinism (Practice Test)
      Theory of Natural Selection
    1. Theory of Natural Selection
      11343 views
      2. More on Theory of Natural Selection
    2. More on Theory of Natural Selection
      2449 views
      3. Objections to Darwin's Natural Selection Theory of Organic Evolution
    3. Objections to Darwin's Natural Selection Theory of Organic Evolution
      5164 views
      24.6: Neo-Darwinism (Practice Test)
      Neo-Darwinism - The Modern Evolutionary Synthesis
    1. Neo-Darwinism - The Modern Evolutionary Synthesis
      9034 views
      2. Role of Gene Mutation & Chromosomal Mutation In Natural Selection
    2. Role of Gene Mutation & Chromosomal Mutation In Natural Selection
      1209 views
      3. Gene Frequencies and Their Role in Evolution
    3. Gene Frequencies and Their Role in Evolution
      4193 views
      4. Hardy-Weinberg Theorem
    4. Hardy-Weinberg Theorem
      8809 views
      5. More on Hardy-Weinberg Theorem
    5. More on Hardy-Weinberg Theorem
      4284 views
      6. Genetic Drift
    6. Genetic Drift
      2755 views
      7. Species, Origin of Specie
    7. Species, Origin of Specie
      1676 views
      8. Allopatric Speciation
    8. Allopatric Speciation
      1564 views
      9. Parapatry Speciation
    9. Parapatry Speciation
      10. Sympatric Speciation
    10. Sympatric Speciation
      2030 views

    Chapter 25 Man And His Environment (37 videos) (Practice Test) (Exercises Exercise Answers)

      25.1: Biogeochemical Cycle (Practice Test)
      Water cycle
    1. Water cycle
      3459 views
      2. The Nitrogen Cycle
    2. The Nitrogen Cycle
      3523 views
      3. More on Nitrogen Cycle
    3. More on Nitrogen Cycle
      1332 views
      25.2: Flow of Energy In Ecosystem (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 Biomass
    5. Ecological Pyramids Biomass
      4800 views
      6. Ecological Pyramids Number
    6. Ecological Pyramids Number
      2412 views
      7. Pyramids of Energy
    7. Pyramids of Energy
      841 views
      25.3: Ecological Succession (Practice Test)
      Succession
    1. Succession
      3668 views
      2. Kinds of Succession
    2. Kinds 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
      7. Hydrosere
    7. Hydrosere
      844 views
      8. More on Hydrosere
    8. More on Hydrosere
      575 views
      9. Wood land climax forest stage of hydrosere
    9. Wood land climax forest stage of hydrosere
      430 views
      25.4: Population Dynamics
      Human Impact on Environment
    1. Human Impact on Environment
      2. Principles of Demography
    2. Principles of Demography
      25.5: Human Impact on Environment (Practice Test)
      Nuclear Power
    1. Nuclear Power
      1342 views
      2. Carbon Dioxide and Global warming
    2. Carbon Dioxide and Global warming
      1142 views
      3. Acid Rain
    3. Acid Rain
      6450 views
      4. Mechanism of Acid Rain
    4. Mechanism of Acid Rain
      1945 views
      5. Effect of Acid Rain
    5. Effect of Acid Rain
      3475 views
      6. Occurrence of Ozone
    6. Occurrence of Ozone
      1391 views
      7. Ozone in Troposphere
    7. Ozone in Troposphere
      775 views
      8. Depletion of Ozone Layer
    8. Depletion of Ozone Layer
      1408 views
      9. Effect of Ozone Depletion
    9. 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. Non - Conventional Energy Resources
    3. Non - Conventional Energy Resources
      2347 views
      4. Tidal Power and Wind Power
    4. Tidal Power and Wind Power
      1283 views
      5. Solar energy
    5. Solar energy
      1073 views
      6. Geothermal Power
    6. Geothermal Power
      840 views
      7. Conventional Energy Resources
    7. Conventional Energy Resources
      1877 views

    Chapter 26 Biotechnology (61 videos) (Practice Test) (Exercises Exercise Answers)

      26.1: Cloning of Gene (Practice Test)
      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. The Polymerase Chain Reaction
    10. The Polymerase Chain Reaction
      4706 views
      11. Components of PCR
    11. Components of PCR
      3158 views
      12. Mechanism of PCR
    12. Mechanism of PCR
      3492 views
      13. Applications of PCR
    13. Applications of PCR
      8141 views
      14. Genomic Library
    14. Genomic Library
      8864 views
      15. Using Probe for Searching Gene in Genomic Library
    15. Using Probe for Searching Gene in Genomic Library
      2796 views
      26.2: DNA Sequencing (Practice Test)
      DNA Sequencing
    1. DNA Sequencing
      5611 views
      2. Sanger's Method
    2. Sanger's Method
      9562 views
      3. Gel Electrophoresis
    3. Gel Electrophoresis
      3376 views
      4. Visualization of DNA Fragments In DNA Sequencing
    4. Visualization of DNA Fragments In DNA Sequencing
      589 views
      5. Automated DNA Sequencing
    5. Automated DNA Sequencing
      10490 views
      6. Maxam-Gillbert Method
    6. Maxam-Gillbert Method
      10323 views
      26.3: DNA Analysis (Practice Test)
      Analyzing DNA
    1. Analyzing DNA
      4331 views
      2. Procedures of DNA Analysis
    2. Procedures of DNA Analysis
      6986 views
      3. Application of DNA Analysis
    3. Application of DNA Analysis
      2475 views
      4. Autoradiography
    4. Autoradiography
      20898 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. 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. Animal Cell Culture
    8. Animal Cell Culture
      5484 views
      9. Techniques of Animal Cell Culture
    9. Techniques of Animal Cell Culture
      8390 views
      10. Application of Animal Cell Culture
    10. Application of Animal Cell Culture
      4389 views
      26.6: Transgenic Organisms (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. Ecological Concerns surrounding Transgenic Bacteria
    3. Ecological Concerns surrounding Transgenic Bacteria
      842 views
      4. Transgenic Plants
    4. Transgenic Plants
      8973 views
      5. Agrobacterium Mediated Transformation
    5. Agrobacterium Mediated Transformation
      4603 views
      6. Electroporation Method
    6. Electroporation Method
      6823 views
      7. Agricultural plants With Improved Traits
    7. Agricultural plants With Improved Traits
      1369 views
      8. Application of Transgenic Plants
    8. Application of Transgenic Plants
      4814 views
      9. Transgenic Animals
    9. Transgenic Animals
      3843 views
      10. Methods of Creation of Transgenic Animals
    10. Methods of Creation of Transgenic Animals
      14583 views
      11. Application of Transgenic Animals
    11. Application of Transgenic Animals
      3650 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. Monoclonal Antibodies in Diagnosis of Diseases
    2. Monoclonal Antibodies in Diagnosis of Diseases
      1930 views
      3. DNA/RNA Probes
    3. DNA/RNA Probes
      11520 views
      4. Gene Therapy
    4. Gene Therapy
      4158 views
      5. Gene Therapy (Ex-Vivo)
    5. Gene Therapy (Ex-Vivo)
      3917 views
      6. Gene Therapy In-Vivo Method
    6. Gene Therapy In-Vivo Method
      2883 views
      7. Cystic Fibrosis
    7. Cystic Fibrosis
      2080 views
      8. Bio-Chips
    8. Bio-Chips
      5679 views
      9. Bio-Fertilizers
    9. Bio-Fertilizers
      3303 views
      10. Application of Genetically Modified Bacteria
    10. Application of Genetically Modified Bacteria
      2437 views
      11. Application of Transgenic Plants
    11. Application of Transgenic Plants
      4814 views
      12. Nanotechnology
    12. Nanotechnology
      607 views

    Chapter 27 Biology And Human Welfare (15 videos) (Practice Test) (Exercises Exercise Answers)

      27.1: Integrated Disease Management And Vaccination (Practice Test)
      Immunization and Vaccination
    1. Immunization and Vaccination
      4678 views
      2. Types of Vaccines
    2. Types of Vaccines
      3. Schedual of vaccination against common diseases
    3. Schedual of vaccination against common diseases
      27.2: Animal Husbandry (Practice Test)
      Animal Husbandry
    1. Animal Husbandry
      2. Methods of Creation of Transgenic Animals
    2. Methods of Creation of Transgenic Animals
      14583 views
      27.3: Latest Technique Applied To Enhance Crops And Fruit Yield (Practice Test)
      Methods of Plant Breeding for Crop Improvement
    1. Methods of Plant Breeding for Crop Improvement
      2. Selective Breeding
    2. Selective Breeding
      3. Role of Genetic Engineering in Crop Improvement
    3. Role of Genetic Engineering in Crop Improvement
      4. Improvement of Home Gardening
    4. Improvement of Home Gardening
      27.4: Role of Microbes In Human Welfare (Practice Test)
      Role of Transgenic Bacteria in Human Welfare
    1. Role of Transgenic Bacteria in Human Welfare
      3035 views
      2. Ecological Concerns surrounding Transgenic Bacteria
    2. Ecological Concerns surrounding Transgenic Bacteria
      842 views
      3. Application of Genetically Modified Bacteria
    3. Application of Genetically Modified Bacteria
      2437 views
      4. Biological Principles of Sewage Treatment
    4. Biological Principles of Sewage Treatment
      1136 views
      5. Bioremediation
    5. Bioremediation
      1405 views
      6. Role of Microbes in Energy Generation
    6. Role of Microbes in Energy Generation