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Abhishek Verma

Content Curator | Updated On - Jun 1, 2022

NTA NEET Biology Syllabus 2022 has been released on the official website on 6 April 2022. No changes have been made in the NEET syllabus. NEET 2022 Biology syllabus is divided into two sections i.e Botany and Zoology. Furthermore, this section comprises 5 units each from classes 11th and 12th.

NEET Biology has a maximum weightage of 50% in the paper- 100 MCQs (50 each from Zoology & Botany). Botany and zoology will have 2 sections i.e. A and B. Section A will have 35 questions whereas section B holds 15 questions. Check NEET Biology 2022 Exam Pattern

NEET Biology Syllabus Highlights

Aspirants are advised to read through the NEET biology class-wise curriculum in the table below.

The total weightage of the NEET 2022 Biology Syllabus 50% of NEET Course
Subsection Botany and Zoology
Number of questions asked From both subjects, Section A: 35, Section B: 15 (attempt only 10 from sec B)
Marks allotted for each question +4 marks for each correct answer
Negative marking -1 mark for each wrong answer
Total marks for Biology 360 out of 720 marks

NEET Biology Syllabus Class 11th

Topic Subtopics
Unit 1 – Diversity in Living World
  • Biodiversity
  • Concept of species
  • Taxonomic hierarchy
  • Binomial nomenclature
  • Need for classification
  • Three domains of life
  • Taxonomy; Systematics
  • Tools for study of Taxonomy
  • Herbaria
  • Salient features and classification of plants
  • Salient features and classification of animals
  • Botanical gardens
  • Five kingdom classification
Unit 2 – Structural Organisation in Animals and Plants
  • Morphology
  • Modifications
  • Animal tissues
  • Tissues
  • Anatomy
  • Functions of different parts of flowering plants
  • Morphology
  • Anatomy
  • Functions of different systems
Unit 3 – 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
  • Chemical constituents of living cells
  • Biomolecules
  • Cell division
Unit 4 – Plant Physiology
  • Transport in plants
  • Long distance transport of water
  • Transpiration-Opening and closing of stomata
  • Uptake and translocation of mineral nutrients
  • Diffusion of gases Mineral nutrition
  • Deficiency symptoms
  • Mineral toxicity
  • Elementary idea of Hydroponics
  • Nitrogen metabolism-Nitrogen cycle
  • Biological nitrogen fixation Photosynthesis
  • Site of photosynthesis take place
  • Photochemical and biosynthetic phases of photosynthesis
  • Cyclic and non-cyclic and photophosphorylation
  • Chemiosmotic hypothesis
  • Photorespiration C3 and C4 pathways
  • Factors affecting photosynthesis Respiration
  • Cellular respiration
  • Energy relations-Number of ATP molecules generated
  • Amphibolic pathways
  • Respiratory quotient
  • Plant growth and development
  • Differentiation, dedifferentiation and Redifferentiation
  • Sequence of developmental process in a plant cell
  • Growth
  • Regulators
  • Vernalisation
  • Photoperiodism
Unit 5 – Human Physiology
  • Digestion and absorption
  • Egestion, Nutritional and digestive disorders Breathing and Respiration
  • Respiratory system in humans
  • Mechanism of breathing and its regulation in humans
  • Disorders related to respiration-Asthma, Emphysema, Occupational respiratory disorders
  • Body fluids and circulation
  • Human circulatory system
  • Regulation of cardiac activity
  • Disorders of the circulatory system- Hypertension, Coronary artery disease, Angina pectoris, Heart failure
  • Excretory Products and their elimination
  • Human excretory system
  • Urine formation, Osmoregulation
  • Regulation of kidney function-Renin-angiotensin, Atrial Natriuretic Factor, ADH and Diabetes insipidus
  • Disorders, Uraemia, Renal failure, renal calculi, Nephritis, Dialysis and artificial kidney
  • Locomotion and Movement
  • Skeletal system and its functions
  • Joints
  • Disorders of muscular and skeletal system-Myasthenia Gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout
  • Neural control and coordination
  • 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
  • Chemical coordination and regulation
  • Human endocrine system-Hypothalamus, Pituitary, Pineal, Thyroid, Parathyroid, Adrenal, Pancreas, Gonads
  • Mechanism of hormone action
  • Role of hormones as messengers and regulators
  • Hypo-and hyperactivity and related disorders

Must Check

NEET Biology Syllabus Class 12th

Topic Subtopics
Unit 1 – Reproduction
  • Reproduction in organisms
  • Asexual reproduction and Modes
  • Sexual reproduction in flowering plants: Flower structure
  • Development of male and female gametophytes
  • Pollination types, agencies and examples
  • Outbreeding devices
  • Pollen-Pistil interaction
  • Double fertilization
  • Post fertilization events-Development of endosperm and embryo, Development of seed and formation of fruit
  • Special modes-apomixis, parthenocarpy, polyembryony
  • Significance of seed and fruit formation Human Reproduction
  • Microscopic anatomy of testis and ovary
  • Gametogenesis-spermatogenesis & oogenesis
  • Menstrual cycle
  • Fertilisation, embryo development up to blastocyst formation, implantation
  • Pregnancy and placenta formation
  • Parturition
  • Lactation
  • 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
Unit 2 – Genetics and Evolution
  • Heredity and variation: Mendelian Inheritance
  • Chromosome theory of inheritance
  • Chromosomes and genes
  • Sex determination-In humans, birds, honey bees
  • 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
  • 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
  • Evolution: Origin of life
  • Biological evolution and evidence for biological evolution from Palaeontology, comparative anatomy, embryology and molecular evidence)
  • Darwin’s contribution, Modern Synthetic Theory of Evolution
  • Mechanism of evolution
  • Gene flow and genetic drift
  • Hardy-Weinberg’s principle
  • Adaptive Radiation
  • Human evolution
Unit 3 – Biology and Human Welfare
  • Health and Disease
  • Basic concepts of immunology-vaccines
  • Cancer, HIV and AIDS
  • Adolescence, drug and alcohol abuse
  • Improvement in food production
  • Plant breeding, tissue culture, single-cell protein, Biofortification
  • Apiculture and Animal husbandry
  • Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilizers
Unit 4 – Biotechnology and Its Applications
  • Principles and process of Biotechnology: Genetic engineering
  • Application of Biotechnology in health and agriculture: Human insulin and vaccine production, gene therapy
  • Genetically modified organisms-Bt crops
  • Transgenic Animals
  • Biosafety issues-Bio piracy and patents
Unit 5 – Ecology and environment
  • Organisms and environment
  • Population interactions-mutualism, competition, predation, parasitism
  • Population attributes-growth, birth rate and death rate, age distribution Ecosystem
  • Energy flow
  • Pyramids of number, biomass, energy
  • Nutrient cycling
  • Ecological succession
  • Ecological Services-Carbon fixation, pollination, oxygen release Biodiversity, and its conservation
  • Patterns of Biodiversity
  • Importance of Biodiversity
  • Loss of Biodiversity
  • Biodiversity conservation
  • Hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, National parks, and sanctuaries
  • 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 warming
  • Ozone depletion
  • Deforestation


NEET Biology Syllabus with Weightage

Some topics hold more weight than others. Candidates must know the chapter-wise weightage in order to prepare better for the exam. NEET Biology syllabus chapter wise weightage for both classes 11 & 12th is mentioned below:-

NEET Biology Syllabus Class 11 weightage

NEET 2022 Biology syllabus of Class 11th Weightage
Unit I – Diversity in Living World 9%
Unit II- Structural Organisation in Animals and Plants 9%
Unit III- Cell Structure and Function 15%
Unit IV- Plant Physiology 17%
Unit V- Human physiology 28%

NEET Biology Syllabus Class 12 weightage

NEET 2022 Biology Syllabus Class 12th Weightage
Unit I – Reproduction 14%
Unit II – Genetics and Evolution 7%
Unit III – Biology and Human Welfare 18%
Unit IV – Biotechnology and its Applications 12%
Unit V – Ecology and Environment 19%

Also, Check NEET 2022 Paper Analysis

NEET Biology Syllabus Chapter wise Weightage

A chapter with a weightage of more than 4% in the NEET 2022 Biology Syllabus can be considered important since 4% equals 3 to 4 questions out of 180 or 14 to 15 marks out of 720. This indicates that the chances of a question from that chapter being asked are substantially higher. A table is provided below that details the weightage of each item on the NEET 2022 Biology Syllabus.

Botany: Topics like plant physiology and cell structure have a higher weightage than others. The list of topics considered crucial for the test, together with their weightage, is shown below.

NEET Botany Topics Number of Questions Marks allocated
Diversity in Living World 4 16
Living World 1 4
Plant Kingdom 1 4
Biological classification 2 8
Structural Organisation in Animals & Plants 4 16
Anatomy of Flowering Plant 3 12
Morphology in flowering plants 1 4
Cell Structure & Function 7 28
Cell Cycle and Division 2 8
Cell: The unit of life 5 20
Plant Physiology 8 32
Mineral Nutrition 1 4
Plant Growth and Development 2 8
Respiration in Plants 2 8
Transport in Plants 3 12
NEET Botany Questions & Weightage from Class 11th 23 92
Sexual Reproduction in flowering Plants 4 16
Genetics & Evolution 10 40
Principles of Inheritance and variation 7 28
Molecular basis of inheritance 3 12
Microbes in Human Welfare 1 4
Ecology & Environment 9 36
Biodiversity and Conservation 3 12
Ecosystem 1 4
Environmental Issues 4 16
Organisms and Population 1 4
NEET Botany Questions & Weightage from Class 12th 24 96
NEET Botany Questions & Weightage from Class 11th and 12th 47 188

Zoology: Themes such as human physiology, reproduction and biology, and human welfare have a higher weightage in the test; applicants can refer to the table below to learn about significant Zoology topics in NEET.

NEET Zoology Topics Number of Questions Marks Allocated
Animal Kingdom 2 8
Structural Organisation in Animal 2 8
Biomolecules 4 16
Breathing and exchange of gases 1 4
Human Physiology 12 48
Chemical Coordination 2 8
Digestion and Absorption 2 8
Excretory Products and their elimination 2 8
Locomotion and Movement 2 8
Body Fluids and Circulation 2 8
Nervous System 2 8
NEET Zoology Questions & Weightage from Class 11th 21 84
Reproduction 6 24
Human Reproduction 3 12
Reproductive Health 3 12
Evolution 3 12
Biology & Human Welfare 8 32
Human Health and Disease 4 16
Microbes in Human Welfare 3 12
Strategies for Enhancement in Food Production 1 1 4
Biotechnology 5 20
Biotechnology and its application 2 8
Biotechnology and its processes and principles 3 12
NEET Zoology Questions & Weightage from Class 12th 22 88
NEET Zoology Questions & Weightage from Class 11th& 12th 43 172

NEET Biology Syllabus Most Important Units

  • Biological Classification
  • Morphology of flowering plants
  • Molecular Basis of Inheritance
  • Principles of Inheritance and Variation
  • Animal Kingdom
  • Sexual Reproduction in Flowering Plants
  • Human Reproduction

NEET Biology Syllabus 2022 Difficulty Analysis

NEET 2022 Biology Syllabus accounts for 50% of the total weightage for NEET. Given the significance of the exam, the high weightage is appropriate. According to previous NEET session research, the pattern appears to be as follows:

  • Around 50% of the questions in the Biology section are easy.
  • In terms of difficulty, 30% to 35% of the questions are Moderate.
  • 15% to 20% of questions are difficult to answer for everyone.
Section Easy Questions Moderate Questions Difficult Questions
Botany 21 17 7
Zoology 20 19 6

A decent NEET Biology score is reported to be between 200 and 300 points. If a student has high speed and expertise in this subject, his or her NEET Biology score can easily exceed 200.

NEET Biology Syllabus 2022: Best Books

You must prepare with the best books for NEET in order to have an edge in your final test performance. Follow books that adhere to the most recent NEET Biology syllabus 2022.

Book name Publisher
Objective NCERT at your Fingertips for NEET-AIIMS – Biology MTG Learning Media (P) Limited
Trueman’s Objective Biology for NEET Trueman Book Company
NEET-AIPMT Biology 25 Years Chapterwise Solved Papers (1992-2017) By Career Point Kota Career Point Publication
Master the NCERT Biology Arihant Publication
NCERT Xtract – Objective Biology for Class 11 & 12, AIPMT, AIIMS, JIPMER, BHU, AMU, State PMTs 2nd Edition Disha Publication
Objective Life Science (Plant Science) S. Chand Publishing
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

NEET Biology Syllabus: Preparation Tips

The exam's competitiveness is increasing year after year, and it's becoming worse! To crack and qualify for a medical seat, one must have the best plan. A study schedule, many revisions, memorizing the NCERT syllabus from classes 11 and 12, being familiar with question papers, and much more should all be part of the approach. Aim for the stars! A well-documented, tailored strategy that addresses all of your strengths and weaknesses may be really beneficial. Here are some NEET Preparation tips from toppers and professionals that we have compiled for you that you may use:

  • Focus on Important NEET with maximum weightage first:
  • Physics topics to study are Mechanics, Optics, Thermodynamics, Nuclear Physics,
  • Chemistry topics such as Mole Concept, Periodic Table, General Organic Chemistry, Coordination Chemistry, and Chemical Bonding.
  • Biology topics like Genetics, Cell Biology, Morphology, Ecology & Environment, Reproduction, Biotechnology Fundamentals, Animal & Plant Physiology
  • Excellent Study Material:
  • Good study material is the most significant aspect in preparing for any exam. It is important to prepare for the NEET test by using the proper NEET study material. NCERT is the greatest NEET book to use when studying for the exam.
  • Line by line, go over the NCERTs: While studying for the NEET test, it is essential to read Biology NCERT books. Candidates must learn the whole NEET Biology syllabus and review it several times before taking the NEET 2022 tests.
  • Aspirants can speak with NEET professors and toppers or read their interviews to see which books they mentioned. Candidates may learn about NEET toppers' strategies and NEET preparation tactics by watching their interviews.
  • Diagrams and charts:
  • The NEET Biology syllabus contains diagrams and charts, which candidates must carefully prepare for the test. Diagram-based questions are frequently given in the Biology component of the NEET medical entrance exam.
  • Practice with NEET sample papers and previous year's exam papers:
  • The time constraint is one of the most difficult aspects of any entrance exam. Not only for NEET but for every competitive test, practice is essential. Candidates have three hours to complete 180 questions. This means they can only devote one minute to each inquiry. As a result, time management skills are required for the NEET Exam.
  • To increase their accuracy and speed, candidates should practice NEET sample papers and previous years' exam papers. Solving NEET question papers will also provide students an understanding of the question format, question difficulty level, and chapter-wise weightage in the test. By completing mock papers, they may also assess their weak and strong points.
  • Prepare your notes:
  • Preparing notes while studying is the greatest technique to increase memory abilities. Candidates should take down all significant notes in a copy or a journal, which will be beneficial for review before the examination and will save them a lot of time. Candidates should take careful notes on the points as this will help them avoid misunderstanding throughout the revision process.

Important Links

Here are some common mistakes that applicants should avoid when studying for the NEET biology 2022:

  • Failing to stick to the timetable: Candidates must strictly stick to the timeline they have created for the exam.
  • Busy schedule: Candidates should avoid following a hectic schedule or studying for an extended amount of time because it might hamper retention and cause exhaustion.
  • Ignoring NCERT: Nearly 70% of the questions originate from NCERT textbooks, hence applicants should not neglect them.
  • Following too many books: Aspirants should avoid learning from many books at once as this might lead to confusion and delayed NEET preparation.
  • Ignoring subjects: When it comes to competitive admission examinations such as NEET-UG, students should not leave any page of the NEET curriculum untouched.

NEET Biology Syllabus 2022: FAQs

Ques: Is the NEET 2022 Biology Syllabus revised?

Ans: NTA has not issued an official announcement for the NEET 2022 Biology Syllabus.

Ques: Why is the NEET Biology syllabus 2022 so important?

Ans: The Biology part of the NEET has the most questions, 100 in total.

Ques: Which class in the NEET Biology syllabus has the most weightage?

Ans: Class 11 and 12 questions are roughly equally weighted in the NEET Biology syllabus 2022. As a result, in order to achieve a higher grade, applicants must go through the whole NEET Biology syllabus.

Ques: Is it necessary to take a NEET Biology mock test?

Ans: Yes, students must take mock examinations for several weeks prior to the actual NEET exam. It aids in time management, deciding which area to tackle first, and striking a balance between simple and difficult problems. Mock tests, similar to the genuine NEET examinations, must be taken by candidates.

Ques: Is it necessary to study for the NEET with NCERTs?

Ans: Yes, studying class 11 and 12 NCERT books for all three topics, namely Physics, Chemistry, and Biology, is required for NEET preparation.

Ques: Is a month enough time to prepare for the NEET?

Ans: The NEET syllabus includes material from both classes 11 and 12. Students often begin NEET preparation two years in advance. Covering such a large curriculum in a month is really difficult. However, if one has a firm grasp on the foundations, together with clever approaches and a focused strategy, one may always hope to pass NEET.

Ques. What is the weightage of NEET Biology 2022?

Ans. NEET Biology section holds 50% weightage.

Ques. What are the most important topics in NEET Biology Syllabus 2022?

Ans. According to the previous year's NEET paper analysis, Human Physiology, Biological Classification, Molecular Basis of Inheritance, Biomolecules hold the highest weightage.

Ques. Does Botany hold more weightage than Zoology?

Ans. Both Botany and Zoology hold equal weightage in NEET Exam.

*The article might have information for the previous academic years, please refer the official website of the exam.


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