NEET UG 2025 Biology Syllabus – Complete Syllabus for Grade XI & XII [PDF Download Available]

NEET UG 2025 Biology Syllabus – Download NEET-UG 2025 Biology Topic Wise/ Chapter Syllabus (Complete).PDF. The NEET UG 2025 Biology syllabus is crucial for students aiming to enter medical and allied fields. The NEET-UG 2025 will be organized by National Testing Agency (NTA), NEET UG requires a strong understanding of Biology, covering both Botany and Zoology topics from Class XI and Class XII NCERT curriculum. This syllabus includes a comprehensive range of topics such as Human Physiology, Plant Physiology, Genetics, Evolution, Ecology, and Biotechnology, all of which are essential for scoring high in NEET 2025.

NEET UG 2025 Biology Syllabus – Class XI & XII Topics

The NEET UG 2025 Biology syllabus includes critical topics from both Class XI and Class XII, focusing on foundational areas in both Botany and Zoology. Here’s a complete breakdown of the syllabus:

  1. Class XI Biology Topics: This includes foundational topics like Diversity in Living World, Structural Organisation in Plants and Animals, Cell Structure and Function, Plant Physiology, and Human Physiology. These areas are essential for understanding the basics of biological systems.
  2. Class XII Biology Topics: Advanced topics include Reproduction, Genetics and Evolution, Biology and Human Welfare, Biotechnology, and Ecology. Mastering these topics is key to performing well on the NEET exam, as they focus on more complex biological systems and applications.

NTA NEET 2025 Biology Syllabus.jpg

Download the NEET UG 2025 Biology Syllabus PDF

To ensure easy access to the entire syllabus, students are encouraged to download the NEET UG 2025 Biology Syllabus PDF. This downloadable format allows for offline study and frequent reference, making it easier for candidates to stay organized and focused on all essential topics for the NEET exam.

NEET UG Biology Syllabus

Class XI Biology Topics:

  1. Diversity in Living World
    • The living world: characteristics, classification, and biodiversity.
    • Taxonomic categories and aids.
    • Five kingdom classification: Monera, Protista, Fungi, Plantae, and Animalia.
    • Viruses, viroids, and lichens.
  2. Structural Organisation in Animals and Plants
    • Morphology and anatomy of flowering plants.
    • Tissues in animals: epithelial, connective, muscular, and neural.
    • Morphology, anatomy, and functions of different systems in animals (e.g., earthworm, cockroach, frog).
  3. Cell Structure and Function
    • Cell theory and cell as the basic unit of life.
    • Prokaryotic and eukaryotic cells, cell organelles, and their functions.
    • Cell cycle, mitosis, and meiosis.
    • Biomolecules: structure and function of proteins, carbohydrates, lipids, and nucleic acids.
  4. Plant Physiology
    • Transport in plants: movement of water, nutrients, and gases.
    • Mineral nutrition: essential minerals, their functions, and deficiency symptoms.
    • Photosynthesis: light reaction, Calvin cycle, and factors affecting photosynthesis.
    • Respiration: glycolysis, Krebs cycle, electron transport chain.
    • Plant growth and development: hormones, photoperiodism, and vernalization.
  5. Human Physiology
    • Digestion and absorption: human alimentary canal and digestive glands.
    • Breathing and respiration: human respiratory system, mechanism of breathing, and gas exchange.
    • Body fluids and circulation: composition of blood, human circulatory system, cardiac cycle.
    • Excretory products and their elimination: human excretory system, urine formation.
    • Locomotion and movement: types of movement, human skeletal system, joints, and muscles.
    • Neural control and coordination: human nervous system, reflex action, sense organs.
    • Chemical coordination and integration: endocrine glands and hormones.

Class XII Biology Topics:

  1. Reproduction
    • Reproduction in organisms: asexual and sexual reproduction.
    • Sexual reproduction in flowering plants: structure of flower, development of male and female gametophytes, pollination, fertilization, seed and fruit formation.
    • Human reproduction: male and female reproductive systems, gametogenesis, menstrual cycle, fertilization, embryo development, pregnancy, and parturition.
    • Reproductive health: contraception, infertility, and assisted reproductive technologies.
  2. Genetics and Evolution
    • Principles of inheritance and variation: Mendelian inheritance, deviations from Mendelism, chromosomal theory of inheritance, sex determination, mutation.
    • Molecular basis of inheritance: DNA structure and replication, transcription, translation, gene expression, and regulation.
    • Evolution: origin of life, theories of evolution, evidences, adaptive radiation, human evolution.
  3. Biology and Human Welfare
    • Human health and diseases: pathogens, basic concepts of immunology, HIV/AIDS, cancer, drugs, and alcohol abuse.
    • Microbes in human welfare: industrial production, sewage treatment, energy generation, bio-control agents, bio-fertilizers.
  4. Biotechnology and Its Applications
    • Principles and processes of biotechnology: genetic engineering, recombinant DNA technology, cloning vectors, and processes.
    • Application of biotechnology in health and agriculture: genetically modified organisms, insulin production, gene therapy, transgenic animals, ethical issues.
  5. Ecology and Environment
    • Organisms and populations: population attributes, growth models, interactions.
    • Ecosystem: structure and function, energy flow, ecological pyramids, succession, nutrient cycling.
    • Biodiversity and its conservation: levels, patterns, importance, threats, conservation strategies.
    • Environmental issues: pollution, global warming, ozone depletion, deforestation, and conservation efforts.

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NEET UG 2025 Biology Syllabus FAQs

Ques1: How can understanding the NEET Biology syllabus give me an edge in the exam?
Ans1: The NEET Biology syllabus is the most extensive of the three subjects, making it critical for maximizing your score. By mastering all topics, from Human Physiology to Ecology, you’ll be well-prepared to tackle both foundational and challenging questions, giving you an advantage in overall performance.

Ques2: Why does the NEET Biology syllabus place emphasis on topics like Genetics and Evolution?
Ans2: Genetics and Evolution are fundamental areas that underpin modern biological science, with applications in medicine, biotechnology, and ecology. NEET tests these areas rigorously as they’re key to understanding biological systems, making them essential for any medical aspirant.

Ques3: I’ve heard Ecology is a relatively high-scoring area in NEET Biology. Is that true?
Ans3: Yes, Ecology often has straightforward questions that can be quickly answered with a solid understanding. This makes it a high-scoring area if you study well, allowing you to gain marks with less complexity compared to other sections like Genetics.

Ques4: How important is it to cover both Botany and Zoology sections of the syllabus?
Ans4: Extremely important! NEET Biology is split equally between Botany and Zoology, with 45 questions each. Neglecting one can significantly reduce your chances of a high score. Aim for balanced preparation to excel across both domains.

Ques5: Are any specific Class XI topics often considered ‘foundation’ chapters for NEET Biology?
Ans5: Absolutely. Topics like Cell Structure, Biomolecules, and Plant Physiology from Class XI lay the groundwork for more complex Class XII topics. A strong grasp of these basics will enhance your understanding of higher-level Biology.

Ques6: Can studying Human Physiology in-depth give me an advantage in the NEET exam?
Ans6: Yes, Human Physiology is not only high-weightage but also highly integrative, tying in concepts from anatomy, biochemical processes, and the functions of various organs. It’s a scoring topic if you understand each system well.

Ques7: Does the NEET Biology syllabus align with other medical entrance exams?
Ans7: Yes, NEET Biology is largely aligned with other major medical exams in India as they also follow the NCERT curriculum. This makes it a reliable base for preparing for multiple exams simultaneously if you aim to keep options open.

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