12th Class Biology Video Lectures Punjab

Biology English Medium Book

• Chapter 15 Homeostasis
  Concepts in Homeostasis, Osmoregulation, Osmoregulation in Plants, Osmoregulation in Animals, Osmoregulation in Different Environments, Excretion, Nature of Excretory Products in Relation to Habitats, Excretion in Representative Animals, Excretion in Hydra, Excretion in Planaria, Excretion in Earthworm, Excretion in Cockroach, Excretion in Vertebrates, Excretion in Human, Excretory Organs, Urinary System, Concentration of Excretory Products, Kidney as Osmoregulatory Organ, Kidney Problems and Cures, Thermoregulation, Adaptations in Plants to Low and High Temperature, Mechanisms in Animals Body Heat, Heat Gain and Loss, Temperature Classification of Animals, Regulation of Heat Exchange between Animals and Environment, Thermoregulation in Mammals (Human), Regulatory Strategies, Thermostat Function and Feedback Controls in Human, Temperature in fever (pyrexia) 28
  Videos
• Chapter 16 Support and Movements
  Support in Plants, Parenchyma Cells, Sclerenchyma Cells, Collenchyma Cells, Significance of Secondary Growth, Movements in Plants, Types of Movements, Role of Plant Growth Substances in Plant Movement, Support and Movements in Animals, Hydrostatic Skeleton, Exoskeleton, Endoskeleton, Human Skeleton, Axial Skeleton, Appendicular Skeleton, Joints, Deformities of Skeleton, Genetic Causes, Hormonal Causes, Nutritional Causes, Rickets, Disc-Slip, Spondylosis, Sciatica, Arthritis, Repair of Broken Bones, Muscles, Smooth Muscles, Cardiac Muscles, Skeletal Muscles, Controlling the Actin - Myosin Interaction By Ca++ ions, Energy for Muscle Contraction, Muscle Fatigue, Tetany, Cramp, Arrangement of Skeletal Muscles for Movement of Skeleton, Movement of Bones, Locomotion in Proctoctists and Invertebrates, Locomotion in Euglena, Locomotion in Paramecium, Locomotion in Amoeba, Locomotion in Jelly Fish, Locomotion in Earthworm, Locomotion in Cockroach, Locomotion in Snail, Locomotion in Star Fish, Locomotion and Skeleton in Vertebrates, Swimming in Fishes, Locomotion in Amphibian, Locomotion in Reptiles, Locomotion in Air, Locomotion in Mammals, Evloutionary changes in the arrangement of bones and related mode of locomotion in major groups of vertebrates 53
  Videos
• Chapter 17 Coordination and Control
  Introduction, Coordination in Plants, Control Through Harmones, Plant Movements, Responses to Environmental Stresses in Plants, Defense Against Pathogens in Plants, Biological Clocks and Circadian Rhythms, Plant Hormones, Coordination in Animals, Nervous Coordination, Working of sensory Reseptors with Special Reference to skin, Neurons, Effectors, Reflex Arc, Nerve Impulse, Synapse, Evolution of Nervous System, Human Nervous System, Central Nervous System (CNS), Peripheral Nervous System (PNS), Autonomic Nervous System, Nervous Disorders, Effect of Drugs on Coordination, Chemical Coordination, Hormones, Endocrine glands of Mammals, The Pituitary Gland, Thyroid Gland, Parathyroids, Islets of langerhans (Pencreas), Adrenals, Gut, Gonads, Ovary, Testes, Feedback Machanism, Behaviour, Innate Behaviour, Instincts and Learning, Learning Behaviour (Modification through experience) 40
  Videos
• Chapter 18 Reproduction
  Reproduction, Reproduction in Plants, Parthenocarpy, Seed Dormancy, Fruit set and fruit ripening, Photoperiodism, Vernalisation, Reproduction in Animals, Asexual Reproduction, Tissue Culturing and Cloning, Identical Twins, Sexual Reproduction, Reproduction in Man, Male Reproductive System, Female Reproductive System, Test Tube Babies, Sexually Transmitted Diseases (STD), Gonorrhoa, Syphilis, Genital Herpes, AIDS (Acquired Immune Deficiency Syndrome) 21
  Videos
• Chapter 19 Growth and Development
  Growth and Development in Plants, Apical Meristems, Intercalary Meristems, Lateral Meristems, Types of Growth, Conditions of Growth, External Factors, Internal Factors, Differentiation, Growth Correlations, Growth and Development in Animals, Development of Chick, Fertilization and Incubation, Cleavage, Morulla, Blastulla, Gastrulation, Notochord and Mesoderm Formation, Neurulation, Mechanisms of Development, Role of Cytoplasm in Development, Role of Nucleus in Development, Concept of Differentiation, Embryonic Induction, Aging, Regenration, Abnormal Development 27
  Videos
• Chapter 20 Chromosomes and DNA
  Types of Chromosomes, Composition of Chromosome, The Chromosomal Theory of Inheritance, DNA as Hereditary Material, Chemical Nature of DNA, Double Helical Structure of DNA (Watson and Crick,s Model), DNA Replication, The Meselson - Stahl Experiment, The Replication Process, What is a Gene?, One - gene-one - polypeptide Hypothesis, How DNA encodes protien Structure?, Cells use RNA to make Protien, Three types of RNA, Transcription, Genetic Code, Translation, Mutations 18
  Videos
• Chapter 21 Cell Cycle
  Interphase, Mitosis, Karyokinesis, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis, Importance of Mitosis, Cancer (uncontrolled cell division), Meiosis, Prophase I, Metaphase I, Anaphase I, Telophase I, Mieosis II, Importance of Miosis, Meiotic Errors (Non-Disjunction), Down,s Syndrome (monglism), Klinefelter,s Syndrome, Turner,s Syndrome, Necrosis and Apoptosis 22
  Videos
• Chapter 22 Variation and Genetics
  Genes, Alleles and Gene Pool, Gene Pool, Mendel,s Law of Inheritance, Mendel,s Interpretations, Test cross, Dihybrid and Dihybrid Cross, Dominence Relations, Complete Dominence, Incomplete Dominance, Codominance, MN Blood type or Blood Group System, Multiple Alleles, ABO - The First Discover Multiple Allelic Blood Group System in Man, Rh Blood Group System, Epistasis, Bombay Phenotype, Pleiotropy, Continuously Varying Traits, Gene Linkage, Crossing Over, Cross Over or Recombination Frequency, Sex Determination, Sex Chromosomes, Patterns of Sex Determination, Comparison of Chromosomal Determination of Sex between Drosophila and Humans, Sex Determination in Plants, Sex Linkage, Sex linkage in Drosophila, Sex - Linkage in Humans, Sex Limited Trait, Sex Influenced Trait, Diabetes Mellitus and its Genetic Basis 32
  Videos
• Chapter 23 Biotechnology
  Cloning of a Gene, Recombinant DNA Technology, How to get a Gene?, Molecular Scissors: Restriction Endonucleases, Molecular Carrier: Vector, Recombinant DNA, Expression of the Recombinant DNA, Genoiftic Library, The polymerase Chain Reaction, Analyzing DNA, Gene Sequencing, The Human Genome Project, Transgenic Bacteria, Transgenic Plants, Transgenic Animals, Biotechnology Products, Cloning of Transgenic Animals, Gene Therapy, Tissue Culture, Genetic Engineering of Plants, Agricultural Plants with Improved Traits, Production of Products 22
  Videos
• Chapter 24 Evolution
  Concept of Evolution Vs Special Creation, Evolution From Prokaryotes To Eukaryotes, Inheritance of Equired Characteristics, Charles Darwin, Neo-Darwinism-The Modern Evolutionary Synthesis, Evidences of Evolution, Natural Selection and Artificial Selection, Population, Geen Pool, Allele and Genotype Frequencies, Hardy-Weinberg Theorem, Factors affecting gene Frequency, Endangered Species 11
  Videos
• Chapter 25 Ecosystem
  Ecosystem, Biosphere, Autecology, Synecology, Components of Ecosystem, Biotic Components, Abiotic Components, Succession, Two Major forms of Succession, Predation and its Significance, Parasitism and its Significance, Symbiosis, Mutualism, Commensalism, Grazing, Biogeochemical Cycles, The Nitrogen Cycle, Nitrogen Deplition and its Remedies, The Flow of Energy in Food Chain of an Ecosystem 19
  Videos
• Chapter 26 Some Major Ecosystems
  Climate, Aquatic or Hydrospheric Ecosystem, Productivity of Aquatic Ecosystem, Fresh Water Lakes, Intervention of Man in Aquatic Ecosystem, Terrestrial or Lithospheric Ecosystem, Light, Nutrients and Water, Adaptations for Terrestrial Ecosystem, Division of Terrestrial Ecosystem, Some Major Ecosystems in Pakistan, Temperate Deciduous Forests, Coniferous Alpine and Boreal Forests, The Grass Land Ecosystem, Desert Ecosystem, Tundra Ecosystem, Humans and Ecosystems 16
  Videos
• Chapter 27 Man and his Environment
  Renewable and Non-Renwable Resources, Renewable Resources, Degradation and Deplition of Resources, Modification of Environment, Man,s Impact On Environment, Population, Food and Need of Population Control, Deforestation and Afforestation, Importance of Forests, Pollution, Air or Atmospheric Pollution, Greenhouse Effect, Acid Rain, Water Pollution, Eutrophication or Algal Bloom, Industrial Effluents, Insecticides and Herbicides and Fertilizers, Health and Diseases 17
  Videos