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QB365 covers complete information about Tamilnadu 12th Standard 2024-2025 Biology Subject. Question Bank includes 12th Standard 2024-2025 BiologySubject Book back questions, other important questions, Creative questions, Extra questions, PTA questions, Previous Year asked questions and other key points also. All question with detailed answers are readily available for preparing Biology question papers.
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Other Subjects for Tamil Nadu State Board 12th Standard
12th Standard Biology English Medium Chapters / Lessons 2024-2025
Zoology - Reproduction in Organisms
Zoology - Human Reproduction
Zoology - Reproductive Health
Zoology - Principles of Inheritance and Variation
Zoology - Molecular Genetics
Zoology - Evolution
Zoology - Human Health and Diseases
Zoology - Microbes in Human Welfare
Zoology - Applications of Biotechnology
Zoology - Organisms and Populations
Zoology - Biodiversity and its Conservation
Zoology - Environmental Issues
Botany - Asexual and Sexual Reproduction in Plants
Botany - Classical Genetics
Botany - Chromosomal Basis of Inheritance
Botany - Principles and Processes of Biotechnology
Botany - Plant Tissue Culture
Botany - Principles of Ecology
Botany - Ecosystem
Botany - Environmental Issues
Botany - Plant Breeding
Botany - Economically Useful Plants and Entrepreneurial Botany
Zoology - Immunology
12th Standard Biology English Medium Chapters / Lessons 2024-2025 Syllabus
Botany - Asexual and Sexual Reproduction in Plants
Introduction - Asexual Reproduction - Vegetative Reproduction - Sexual Reproduction - Pre-fertilization structure and events - Fertilization - Post fertilization structure and events - Apomixis - Polyembryony - Parthenocarpy
Botany - Classical Genetics
Introduction - Heredity and Variation - Mendelism - Laws of Mendelian Inheritance - Monohybrid, Dihybrid, Trihybrid cross, Backcross and Testcross - Interaction of Genes-Intragenic and Intergenic Incomplete dominance, Lethal genes, Epistasis - Polygenic inheritance in Wheat kernel colour, Pleiotropy - Pisum sativum - Extrachromosomal inheritance- Cytoplasmic inheritance in Mitochondria and Chloroplast.
Botany - Chromosomal Basis of Inheritance
Chromosomal theory of Inheritance - Linkage - Eye color in Drosophila and Seed color in Maize - Crossing over, Recombination and Gene mapping - Multiple alleles - Sex determination in plants - Mutation - types, mutagenic agents and their significance.
Botany - Principles and Processes of Biotechnology
Development of Biotechnology - Historical Perspective - Traditional Biotechnology - Advancements in Modern Biotechnology - Tools for Genetic Engineering - Methods of Gene transfer - Screening for Recombiants - Transgenic Plants / Genetically Modifi ed Crops - Applications of Biotechnology.
Botany - Plant Tissue Culture
Milestones in plant tissue culture - Basic concepts in plant disuse culture - Plant tissue culture techniques and types - Plant regeneration pathway - Applications of plant tissue culture - Conservation of plant genetic resources - Intellectual rights of property (IPR), Biosafety and Bioethics - Future Biotechnology
Botany - Principles of Ecology
Ecology - Ecological factors - Ecological adaptations - Dispersal of seeds and fruits
Botany - Ecosystem
Structure of ecosystem - Functions of ecosystem - Plant succession
Botany - Environmental Issues
Greenhouse effect, ozone depletion - Forestry - Deforestation - Afforestation - Alien invasive species - Conservation - Carbon Capture and Storage (CCS) - Rainwater harvesting - Environmental Impact Assessment (EIA) - Geographic Information System
Botany - Plant Breeding
Relationship between human and plants - Domestication of plants - Origin of agriculture - History of agriculture - Organic agriculture - Plant breeding - Conventional plant breeding methods - Modern plant breeding Techniques
Botany - Economically Useful Plants and Entrepreneurial Botany
Food Plants - Spices and Condiments - Fibre - Timber - Latex - Pulp wood - Dye - Cosmetics - Traditional system of medicines - Medicinal plants - Entrepreneurial Botany
Zoology - Reproduction in Organisms
Modes of reproduction - Asexual reproduction - Sexual reproduction
Zoology - Human Reproduction
Human reproductive system - Gametogenesis - Menstrual cycle - Fertilisation and implantation - Maintenance of pregnancy and embryonic development - Parturition and lactation
Zoology - Reproductive Health
Need for reproductive health Problems and strategies - Amniocentesis and its statutory ban - Social impact of sex ratio, female foeticide and infanticide - Population explosion and birth control - Medical termination of pregnancy (MTP) - Sexually transmitted diseases (STD) - Infertility - Assisted reproductive technologies (ART) - Detection of foetal disorders during early pregnancy
Zoology - Principles of Inheritance and Variation
Multiple alleles - Human blood groups - Genetic control of Rh factor - Sex determination in human, insects, and birds - Sex-linked inheritance - Karyotyping - Pedigree analysis - Mendelian disorders - Chromosomal abnormalities
Zoology - Molecular Genetics
Gene as the functional unit of inheritance - In search of the genetic material - DNA is the genetic material - Chemistry of nucleic acids - RNA world - Properties of genetic material - Packaging of DNA helix - DNA Replication - Transcription - Genetic code - tRNA – the adapter molecule - Translation - Regulation of Gene expression - Human Genome Project (HGP) - DNA finger printing technique
Zoology - Evolution
Origin of life - Evolution of life forms - Geological time scale - Biological evolution - Evidences for biological evolution - Theories of biological evolution - Mechanism of evolution - Hardy Weinberg principle - Origin and evolution of man
Zoology - Human Health and Diseases
Common diseases in human beings: Infectious and non-infectious - Maintenance of personal and public hygiene - Basic concepts of immunology - Immunodeficency diseases - Autoimmune diseases - Adolescence – Drug and alcohol abuse - Mental health – Depression
Zoology - Microbes in Human Welfare
Microbes in household products - Microbes in industrial products - Microbes in sewage treatment and energy generation - Microbes in the production of biogas - Microbes as bio-control agents and bio-fertilisers - Bioremediation
Zoology - Applications of Biotechnology
Applications in Medicine - Gene therapy - Stem Cell Therapy - Molecular Diagnosis - Transgenic Animals - Biological products and their uses - Animal cloning - Ethical issues
Zoology - Organisms and Population
Organism and its Environment - Habitat - Major Abiotic Components or Factors - Concept of Biome and Distribution - Responses to abiotic factors - Adaptations - Populations - Population attributes - Population age distribution - Growth models / Curves - Population regulation - Population interactions
Zoology - Biodiversity and its Conservation
Biodiversity - Importance of biodiversity – Global and India - Biogeographical regions of India - Threats to biodiversity - Causes of Biodiversity Loss - IUCN - Biodiversity and its conservation
Zoology - Environmental Issues
Pollution - Air Pollution - Water Pollution - Noise Pollution - Agrochemicals - Biomagnification - Eutrophication - Organic Farming and its Implementation - Solid Waste Management - Global Environment Change - Ozone Depletion - Deforestation - Ecosan Toilets - Peoples Participation in Conservation of Forests
Zoology - Immunology
Basic Concepts of Immunology - Innate Immunity - Acquired Immunity - Immune Responses - Lymphoid Organs - Antigens - Antibodies - Antigen - Antibody Interactions - Vaccines - Vaccination and Immunization - Hypersensitivity - Immunodeficiency Diseases - Autoimmune Diseases - Tumour Immunology
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12th Standard Biology English Medium Chapters / Lessons 2024-2025
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