NEET Biology Syllabus 2024: Comprehensive Overview of Zoology and Botany

NEET Biology Syllabus 2024

In preparation for NEET UG 2024, understanding the NEET Biology syllabus is crucial, encompassing content from both Class 11 and Class 12. Biology holds paramount importance in the NEET 2024 exam, constituting nearly half of the questions.

Prospective candidates are advised to grasp the NEET biology chapter-wise weightage to prioritize key topics. This section comprises a total of 90 questions, spanning both Botany and Zoology.

It’s noteworthy that the NEET Biology syllabus aligns closely with NCERT books, making it essential for aspirants to thoroughly study them. Stay updated with the latest NEET UG 2024 syllabus released by the National Testing Agency (NTA).

NEET UG 2024 Updated Syllabus Highlights:

Biology dominates the NEET UG exam, contributing significantly to the overall score. The NTA NEET Biology section primarily features simple, concept-based questions, rewarding strategic study efforts.

As of November 22, 2023, the NEET 2024 Syllabus was updated on the official NTA website (www.nta.ac.in), with a few topics added and removed. It’s imperative for students to download the updated NEET Biology Syllabus 2024 to align their preparation accordingly.

NEET Biology Syllabus 2024 Overview:

The NEET Biology syllabus for 2024 encompasses two branches—Botany and Zoology. Botany delves into the study of plant life, while Zoology explores animal biology.

Designed to assess candidates on Class 11 and Class 12 topics, the syllabus is extensive, necessitating a thorough understanding. Below, we provide a topic-wise breakdown of the NEET Biology syllabus, including both Zoology and Botany.

NEET Biology Syllabus 2024 for Class 11:

An essential component of NEET preparation, the Class 11 syllabus outlines key topics and subtopics, offering a comprehensive overview for effective study.

NEET Biology Syllabus 2024  Class 11
Diversity in Living World 1. What is living?;

  • Biodiversity;
  • Need for classification;
  • Three domains of life;
  • Taxonomy & Systematics;
  • Concept of species and taxonomical hierarchy; Binomial nomenclature;
  • Tools for study of Taxonomy – Museums, Zoos, Herbaria,
  • Botanical gardens.

2. Five kingdom classification;

  • Salient features and classification of Monera;
  • Protista and Fungi into major groups; Lichens; Viruses and Viroids.

3. Salient features and classification of plants into major groups-Algae,

  • Bryophytes,
  • Pteridophytes,
  • Gymnosperms and Angiosperms (three to five salient and distinguishing features and at least two examples of each category);
  • Angiosperms- classification up to class, characteristic features and examples).

4. Salient features and classification of animals-nonchordate up to phyla level and chordate up to class level (three to five salient features and at least two examples).

Structural Organization in Animals and Plants 1. Morphology and modifications;

  • Tissues;
  • Anatomy and functions of different parts of flowering plants: Root, stem, leaf, inflorescence- cymose and racemose, flower, fruit and seed (To be dealt along with the relevant practical of the Practical Syllabus).

2 Animal tissues; Morphology, anatomy and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of an insect (cockroach). (Brief account only)

Cell Structure and Function
  • Cell theory and cell as the basic unit of life;
  • Structure of prokaryotic and eukaryotic cell;
  • Plant cell and animal cell; Cell envelope, cell membrane, cell wall;
  • Cell organelles-structure and function; Endomembrane system-endoplasmic reticulum,
  • Golgi bodies, lysosomes, vacuoles;
  • mitochondria, ribosomes, plastids, microbodies; Cytoskeleton, cilia, flagella, centrioles (ultrastructure and function); Nucleus-nuclear membrane, chromatin, nucleolus.

2 Chemical constituents of living cells:

  • Biomolecules-structure and function of proteins, carbohydrates, lipids, nucleic acids; Enzymes-types, properties, enzyme action.

3 B Cell division: Cell cycle, mitosis, meiosis and their significance.

Plant Physiology 1. Transport in plants: Movement of water, gasses and nutrients;

  • Cell to cell transport-Diffusion, facilitated diffusion, active transport;
  • Plant – water relations – Imbibition, water potential, osmosis, plasmolysis;
  • Long distance transport of water – Absorption, apoplast, symplast, transpiration pull, root pressure and guttation;
  • Transpiration-Opening and closing of stomata;
  • Uptake and translocation of mineral nutrients-Transport of food, phloem transport, Mass flow hypothesis;
  • Diffusion of gasses (brief mention).

2 Mineral nutrition: Essential minerals, macro and micronutrients and their role;

  • Deficiency symptoms;
  • Mineral toxicity;
  • Elementary idea of Hydroponics as a method to study mineral nutrition;
  • Nitrogen metabolism-Nitrogen cycle, biological nitrogen fixation.

3 Photosynthesis:

  • Photosynthesis as a means of Autotrophic nutrition; Site of photosynthesis take place;
  • pigments involved in Photosynthesis (Elementary idea);
  • Photochemical and biosynthetic phases of photosynthesis;
  • Cyclic and non cyclic and photophosphorylation; Chemiosmotic hypothesis;
  • Photorespiration C3 and C4 pathways; Factors affecting photosynthesis.

4. Respiration:

  • Exchange gasses;
  • Cellular respiration-glycolysis, fermentation (anaerobic),
  • TCA cycle and electron transport system (aerobic); Energy relations-Number of ATP molecules generated;
  • Amphibolic pathways; Respiratory quotient.

5. Plant growth and development:

  • Seed germination;
  • Phases of Plant growth and plant growth rate;
  • Conditions of growth;
  • Differentiation, dedifferentiation and redifferentiation; Sequence of developmental process in a plant cell;
  • Growth regulators-auxin, gibberellin, cytokinin, ethylene, ABA;
  • Seed dormancy;
  • Vernalisation;
  • Photoperiodism
Human Physiology 1. Digestion and absorption;

  • Alimentary canal and digestive glands;
  • Role of digestive enzymes and gastrointestinal hormones;
  • Peristalsis, digestion, absorption and assimilation of proteins, carbohydrates and fats;
  • Caloric value of proteins, carbohydrates and fats; Egestion;
  • Nutritional and digestive disorders – PEM, indigestion, constipation, vomiting, jaundice, diarrhoea.

2 Breathing and Respiration:

  • Respiratory organs in animals (recall only);
  • Respiratory system in humans; Mechanism of breathing and its regulation in humans-Exchange of gasses, transport of gasses and regulation of respiration Respiratory volumes;
  • Disorders related to respiration-Asthma, Emphysema, Occupational respiratory disorders.

3 Body fluids and circulation:

  • Composition of blood, blood groups, coagulation of blood;
  • Composition of lymph and its function;
  • Human circulatory system-Structure of the human heart and blood vessels;
  • Cardiac cycle, cardiac output, ECG, Double circulation;
  • Regulation of 38 cardiac activity;
  • Disorders of circulatory system-Hypertension, Coronary artery disease, Angina pectoris, Heart failure.

5. Excretory products and their elimination:

  • Modes of excretion- Ammonotelism, ureotelism, uricotelism;
  • Human excretory system-structure and function;
  • Urine formation, Osmoregulation;
  • Regulation of kidney function-Renin-angiotensin, Atrial Natriuretic Factor, ADH and Diabetes insipidus; Role of other organs in excretion;
  • Disorders;
  • Uraemia, Renal failure, Renal calculi, Nephritis; Dialysis and artificial kidney.

5 Locomotion and Movement:

  • Types of movement- ciliary, flagellar, muscular; Skeletal muscle- contractile proteins and muscle contraction;
  • Skeletal system and its functions (To be dealt with the relevant practical of Practical syllabus);
  • Joints;
  • Disorders of muscular and skeletal system-Myasthenia gravis,
  • Tetany,
  • Muscular dystrophy,
  • Arthritis,
  • Osteoporosis,
  • Gout.

6 Neural control and coordination:

  • Neuron and nerves;
  • Nervous system in humans- central nervous system, peripheral nervous system, and visceral nervous system;
  • Generation and conduction of nerve impulse; Reflex action;
  • Sense organs;
  • Elementary structure and function of eye and ear.

7. Chemical coordination and regulation:

  • Endocrine glands and hormones;
  • Human endocrine system-Hypothalamus, Pituitary, Pineal, Thyroid, Parathyroid, Adrenal, Pancreas, Gonads;
  • Mechanism of hormone action (Elementary Idea); Role of hormones as messengers and regulators, Hypo-and hyperactivity and related disorders (Common disorders, e.g. Dwarfism, Acromegaly, Cretinism, goiter, exophthalmic goiter, diabetes, Addison’s disease).
  • (Imp: Diseases and disorders mentioned above to be dealt with briefly.)

 

NEET Biology Syllabus 2024 for Class 12:

Building on Class 11 concepts, the Class 12 syllabus delves deeper into advanced topics, including human reproduction, evolution, ecology, biotechnology, and genetics.

NEET Biology Syllabus For Class 12
Reproduction
  • Reproduction in organisms: Reproduction, a characteristic feature of all organisms for continuation of species;
  • Modes of reproduction – Asexual and sexual;
  • Asexual reproduction; Modes-Binary fission, sporulation, budding, gemmule, fragmentation;
  • vegetative propagation in plants.

2 Sexual reproduction in flowering plants:

  • Flower structure; Development of male and female gametophytes;
  • Pollination-types, agencies and examples;
  • Outbreeding devices;
  • Pollen-Pistil interaction;
  • Double fertilisation;
  • Post fertilisation events-Development of endosperm and embryo, Development of seed and formation of fruit;
  • Special modes-apomixis, parthenocarpy,
  • polyembryony;
  • Significance of seed and fruit formation.

3 Human Reproduction:

  • Male and female reproductive systems;
  • Microscopic anatomy of testis and ovary; Gametogenesis-spermatogenesis & oogenesis;
  • Menstrual cycle;
  • Fertilisation, embryo development upto blastocyst formation, implantation;
  • Pregnancy and placenta formation (Elementary idea);
  • Parturition (Elementary idea); Lactation (Elementary idea).

4 Reproductive health:

  • Need for reproductive health and prevention of sexually transmitted diseases (STD);
  • Birth control-Need and Methods, Contraception and Medical Termination of Pregnancy (MTP); Amniocentesis;
  • Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for general awareness).
Genetics and Evolution 1. Heredity and variation:

  • Mendelian Inheritance;
  • Deviations from Mendelism-Incomplete dominance, Co-dominance, Multiple alleles and Inheritance of blood groups, Pleiotropy; Elementary idea of polygenic inheritance; Chromosome theory of inheritance; Chromosomes and genes;
  • Sex determination-In
  • humans, birds, honey bee;
  • Linkage and crossing over; Sex-linked inheritance-Haemophilia, Colour blindness; Mendelian disorders in humans-Thalassemia;
  • Chromosomal disorders in humans; Down’s syndrome, Turner’s and Klinefelter’s syndromes.

2. Molecular basis of Inheritance:

  • Search for genetic material and DNA as genetic material;
  • Structure of DNA and RNA; DNA packaging;
  • DNA replication; Central dogma; Transcription, genetic code, translation;
  • Gene expression and regulation-Lac Operon;
  • Genome and human genome project;
  • DNA fingerprinting.

3. Evolution: Origin of life;

  • Biological evolution and evidence for biological evolution from Paleontology, comparative anatomy, embryology and molecular evidence);
  • Darwin’s contribution, Modern Synthetic theory of Evolution; Mechanism of evolution variation (Mutation and Recombination) and Natural Selection with examples and types of natural selection;
  • Gene flow and genetic drift;
  • Hardy-Weinberg’s principle;
  • Adaptive Radiation; Human evolution.
Biology and Human Welfare 1. Health and Disease;

  • Pathogens;
  • Parasites causing human diseases (Malaria, Filariasis, Ascariasis. Typhoid, Pneumonia, common cold, amoebiasis, ringworm);
  • Basic concepts of immunology-vaccines; Cancer, HIV and AIDS; Adolescence, drug and alcohol abuse.

2.Improvement in food production;

  • Plant breeding, tissue culture, single cell protein,
  • Biofortification; Apiculture and Animal husbandry.

3. Microbes in human welfare:

  • In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilisers.
Biotechnology and Its Applications 1. Principles and process of Biotechnology:

  • Genetic engineering (Recombinant DNA technology).

2. Application of Biotechnology in health and agriculture:

  • Human insulin and vaccine production, gene therapy;
  • Genetically modified organisms-Bt crops;
  • Transgenic Animals; Biosafety issues-Biopiracy and patents.
Ecology and Environment 1. Organisms and environment:

  • Habitat and niche; Population and ecological adaptations;
  • Population interactions-mutualism, competition, predation, parasitism;
  • Population attributes-growth, birth rate and death rate, age distribution.

2. Ecosystem:

  • Patterns, components; productivity and decomposition;
  • Energy flow; Pyramids of number, biomass, energy; Nutrient cycling (carbon and phosphorous);
  • Ecological succession; Ecological Services-Carbon fixation, pollination, oxygen release.

3. Biodiversity and its conservation:

  • Concept of Biodiversity;
  • Patterns of Biodiversity; Importance of Biodiversity;
  • Loss of Biodiversity; Biodiversity conservation;
  • Hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, National parks and sanctuaries.

4. Environmental issues:

  • Air pollution and its control;
  • Water pollution and its control;
  • Agrochemicals and their effects;
  • Solid waste management;
  • Radioactive waste management;
  • Greenhouse effect and global warning;
  • Ozone depletion;
  • Deforestation;
  • Any three case studies as success stories addressing environmental issues.

 

NEET Biology Syllabus 2024 for Botany:

The Botany syllabus covers biochemistry, cell biology, genetics, and ecology, providing a holistic understanding of plant life.

NEET Botany Syllabus For Botany
The Living World
Biological Classification
Plant Kingdom
Morphology of Flowering Plants
Anatomy of Flowering Plants
Cell – The Unit of Life
Biomolecules
Cell Cycle and Cell Division
Transport in Plants
Mineral Nutrition
Photosynthesis in Higher Plants
Respiration in Plants
Plant Growth and Development
Sexual Reproduction in Flowering Plants
Principles of Inheritance & Variation
Molecular Basis of Inheritance
Strategies for Enhancement in Food Production
Biotechnology Principles and Processes
Biotechnology and its Application
Organisms and Populations
Ecosystem
Biodiversity and Conservation
Environmental Issues

 

NEET Biology Syllabus 2024 for Zoology:

Zoology evaluates candidates on aspects such as animal classification, structural organization, cell structure and function, and human physiology.

NEET Zoology Syllabus
Animal Kingdom
Structural Organisation in Animals
Digestion and Absorption
Breathing and Exchange of Gases
Body Fluids and Circulation
Excretory Products and their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
Reproduction in Organisms
Human Reproduction
Reproductive Health
Evolution
Human Health and Disease
Microbes in Human Welfare

 

NEET Biology Syllabus 2024 Weightage:

Familiarize yourself with the chapter-wise weightage of Biology for NEET, as presented in the table below, before embarking on your preparation.

NEET Biology Syllabus Chapter-wise weightage
Chapter Weightage (out of 100)
Diversity in Living World 14%
Cell Structure and Function 5%
Structural Organisation in Animals and Plants 9%
Plant Physiology 6%
Human Physiology 20%
Reproduction 9%
Genetics and Evolution 18%
Biotechnology and Its Applications 3%
Biology and Human Welfare 4%
Ecology and Environment 12%

 

NEET Biology Syllabus 2024 Important Topics:

Focus on fundamental biology concepts for NEET 2024. Key topics, identified based on weightage and question frequency, will enhance your overall preparation.

The important topics covered in Class 11 Biology for NEET preparation include:

Class 11: Biology Important Topics for NEET Preparation
Chapter Important Topics
Plant Kingdom Types of algae and their pigments
General characters of pteridophytes and gymnosperms
Biological classification
General features of Monera, Protista, Fungi
Structural Organization in Plants and Animals Root, stem, and leaf anatomy
Animal tissues and their functions, specifically epithelial tissues
Cell: Structure & Functions Mycoplasma, nucleus, chromosomes, ribosomes, chloroplast, and mitochondria
Meiosis – Prophase I
Plant Physiology C3, C4 cycle
Kranz anatomy
Glycolysis and Krebs cycle
ETS complexes
Photoperiodism
Transpiration pull
Bulk movement in Phloem
Mineral deficiency & Nitrogen cycle
Animal/Human Physiology All topics specifically diagrams are very important

The important topics for Class 12 Biology include:

Class 12: Biology Important Topics for NEET Preparation
Chapter Important Topics
Reproduction Gametogenesis in plants
Gametogenesis in humans
Reproductive structures in plants and animals
Polyembryony, Parthenocarpy, apomixis
Menstrual cycle
Genetics & Evolution Dihybrid cross, linkage
Codominance
Pedigree analysis
Genetic disorders
Darwinism and natural selection
Human evolution
Biotechnology Process and applications
BT cotton, RNAi, Human insulin, Gene therapy, molecular diagnostics
Biology in Human Welfare Human immunity
AIDS, Cancer
Drugs
Ecology and Environment Environmental issues
Biogeochemical cycles
Population interactions
Adaptations
Succession

Best Books for NEET Biology 2024:

Selecting the right books is crucial for NEET UG 2024 preparation. Refer to the table below for recommended books and authors.

NEET Biology syllabus 2024 – Best books
Book Author
Objective Biology (volumes 1 & 2) GR Bathla
Biology Classes 11 and 12 (Volume 1 & 2) Pradeep Publications
Objective Biology (Volume 1, 2, and 3 along with Practice Papers) Dinesh Publications
A Class Book for Botany A C Dutta
Objective Biology (volumes 1 and 2) Trueman Publications

 

NEET Biology Syllabus 2024 Preparation Tips:

To navigate the extensive syllabus effectively, follow these preparation tips for NEET Biology 2024:

  1. Prioritize the NCERT biology textbook.
  2. Thoroughly cover all important topics.
  3. Practice questions from the NEET Biology syllabus.
  4. Focus on human physiology, plant physiology, reproduction, genetics, and ecology.
  5. Enhance speed and accuracy through NEET 2024 mock tests.

Prepare strategically, stay focused, and ace the NEET UG 2024 Biology section with confidence.

Also Read: NEET Physics Syllabus 2024: Topics, Weightage, and Preparation Tips

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