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Tamil Nadu Class 12 Biology Sample Paper 2024-25 is a great way to revise the topics you are not very confident in. By downloading the latest sample paper, you can check more information about the exam pattern and the syllabus. In Tamil Nadu, the Biology subject is divided into two different parts Zoology and Botany. The question paper for Biology is structured for 70 marks with a duration of 3 hours. It is divided into two parts. Each part is divided into four sections. The first section will consist of 15 MCQ-type questions followed by, very short answer-type questions for 2 marks each, short answer-type questions for 3 marks each, and then long answer-type questions for 5 marks each. Internal choices will be present in every section of the question paper. Also Read: Tamil Nadu Class 12 Biology Syllabus 2024-25
Tamil Nadu 12th Board 2025 will be conducted from March 2025. More information about the Tamil Nadu Class 12 Biology Sample Paper 2024-25 is given below:
Also Read: Tamil Nadu Class 12 Biology Previous Year Question Paper
Tamil Nadu Class 12 Biology Sample Paper 2024-25: PDF
Check the direct PDF of the Tamil Nadu Class 12 Biology Sample Paper 2024-25 here and download it to revise for the board exam:
Papers | Biology |
|---|---|
Paper I | |
Paper II | |
Paper III |
How To Download Tamil Nadu Class 12 Biology Sample Paper 2024-25?
Students can follow the simple procedure given below to download the Tamil Nadu Class 12 Biology Sample Paper 2024-25 from the website of DGE, Tamil Nadu:
- Step 1: Students must first visit the official website of the Directorate of Government Examinations, Tamil Nadu at dge.tn.gov.in/
- Step 2: Now, click on the option of Sample Question Papers under the Services section.
- Step 3: A new page will open on the screen. Click on HSC II Year (Class 12) SAMPLE QUESTION PAPER I option
- Step 4: The PDF of the question paper will open on your screen.
Tamil Nadu Class 12 Biology Syllabus 2024-25
The Biology syllabus is divided into zoology and botany, which will be studied separately. Students can check out the details regarding the Tamil Nadu Class 12 Biology Syllabus 2024-25 from the tables given below:
Botany
Unit | Topics |
|---|---|
Taxonomy of angiosperms | Type of classification such as artificial, natural, phylogenetic biosystematics binomial nomenclature herbarium and their uses classification of plants families such as Malvaceae, solanaceae, euphorbiaceae, liliaceae and their economic importance |
Plant anatomy | Tissue and tissue system anatomy of monocot and dicot root anatomy of monocot and dicot stem anatomy of dicot leaf |
Cell biology and genetics | Chromosome structure and types genes and genomes linkage and crossing over gene mapping recombination of chromosomes mutation and chromosome aberrations DNA as a genetic material its structure and replication of DNA Structure of RNA and its type |
Biotechnology | recombinant DNA technology transgenic plants and microbes plant tissue culture and its application protoplast fusion SCP |
Plant physiology | Photosynthesis its significance and photochemical reactions, electron transport system, photorespiration factors affecting photosynthesis mode of nutrition chemosynthesis respiration, glycolysis, krebs cycle and aerobic respiration and anaerobic respiration fermentation plant growth regulators phytohormones such as auxins, gibberellins, cytokinin, ethylene, ABA. photoperiodism and vernalization |
Biology in human welfare | food production important varieties role of biofertilizers crop diseases and their control biopesticides genetically modified organisms Bio war Biopiracy biopatent sustainable agriculture medicinal plants including microbes economic importance of crops. |
Zoology
Unit | Topics |
|---|---|
Human physiology | Nutrition- carbohydrates, proteins, lipids, balanced diet, malnutrition, digestive enzymes, illness to human bodies Bones and joints- muscles Respiration-breathing, Circulation-including heart functioning,myocardial infarction, atherosclerosis, ECG, heart valves, blood pressure, heart transplantationPlasma- corpuscles, anticoagulants Coordinating system- including brain functioning, memory, diseases, spinal cord functioning,reflex action Chemical coordination- thyroid, parathyroid, insulin, hormones of adrenal cortex and medula, reproductive hormones Receptor organs -including eyes, ears, skin, tongue excretion kidney Reproductive system- spermatogenesis and oogenesis menstrual cycle, in vitro fertilization, birth control, STD and AIDS. |
Microbiology | Introduction Influence of Louis Pasteur, koch Virology genetics AIDS and its control bacteriology, protozoan microbiology and larval microbiology pathogenicity of microorganisms. |
Immunology | Immune system- innate immunity- lymphoid cells, mononuclear phagocytes, cytokines, structure of antibody, antigen antibody reaction acquired immunity- development of immune system, T- cell activation, monoclonal body, cytotoxicity, infections and immunity, immunity and tissue transplantation, immune-related disease. |
Genetics | Human genome project, genetic disease, karyotyping recombinant DNA technology, cloning, transgenic organisms, genetically modified organisms, gene therapy, bioinformatics, DNA sequencing, protein sequencing, protein structure,database. |
Environmental sciences | Human population, global warming, ozone layer depletion, waste management, biodiversity conservation, energy crisis ,and environmental impact, Poverty. |
Biology applications | Livestock and Management, milch breed, draught breed, common diseases and control, poultry farming, pisciculture, urine analysis, CT scan, artificial pacemaker. |
Evolution theories | Lamarkism, darwinism, modern concept of natural selection, species concept, origin of species and isolating mechanisms. |
Also Read: Tamil Nadu Class 12 Chemistry Sample Paper 2024-25
Make sure to download the latest Tamil Nadu Class 12 Biology Sample Paper 2024-25 for effective preparation for the board exam. Refer to the complete syllabus before solving the question papers to understand the questions thoroughly.
