• Written By Pankaj_Negi
  • Last Modified 23-01-2023

NEET Biology Syllabus: Chapter-wise Weightage, and Tips


NEET Biology Syllabus 2022: National Testing Agency (NTA) conducted the NEET UG 2022 examination. The registration process for NEET 2022 exam started on April 6, 2022, and the exam was held on July 17, 2022. It is a qualifying exam through which the aspirants can take admission in MBBS, BDS, BHMS, BAMS, BUMS, BSMS and BSc Nursing courses across India. Knowing the NEET 2022 syllabus in advance will assist the students in their preparation for the examination.

The candidate must have Physics, Chemistry and Biology as mandatory subjects in their HSC (12th) and 11th to be eligible for NEET 2022. The biology syllabus has the highest weightage among all the subjects in NEET 2022. A student aiming to crack the NEET examination must know the Biology syllabus thoroughly. This article will discuss the NEET 2022 Biology syllabus, section-wise marks, weightage and more details.

Latest Updates:
NEET answer key 2022 is likely to be released in the third week of August 2022.
NEET OMR Sheet Response to be released soon on the official website.
– Embibe has provided the NEET 2022 question paper solution in PDF that aspirants can refer to.

NEET 2022 Biology Syllabus: Overview

Biology has the highest weightage in the NEET examination. It is crucial for students to understand the syllabus and prioritise their study plans to perform well in the exam. The NEET 2022 Biology syllabus consists of two sections: Botany and Zoology.

The Biology section in the NEET exam is crucial because it is the deciding factor in the final ranking. If more than one candidate gets the same overall marks, then the candidate with the highest marks in Biology will rank above the others. Before we dig into the NEET 2022 Biology syllabus, let us understand the NEET 2022 exam pattern:

NEET 2022 HighlightsDetails
Exam NameNational Eligibility cum Entrance Test (NEET)
NEET 2022 Exam DateJuly 17, 2022
NEET 2022 Registration DateApril 6 2022, till June 6th 2022
Conducting BodyNational Testing Agency (NTA)
Category TypeUndergraduate 
Mode of Examination Pen and Paper-based
LevelNational Level
Question Type MCQs
CoursesMBBS, BDS, BHMS, BAMS, BUMS, BSMS and BSc Nursing courses
Total Marks 720 Marks
LanguageEnglish, Hindi, Assamese, Bengali, Gujarati, Marathi, Tamil, Telugu, Oriya, Kannada, and Urdu
Duration of Exam 200 minutes (3 hours 20 minutes)
NEET Marking Scheme Four marks for each correct answer-1 deducted for each wrong attempt
Official Websiteneet.nta.nic.in

NEET Biology Syllabus: Chapter-wise

To score well in the NTA NEET 2022 examination, a candidate must have clarity about the Biology syllabus. The Biology syllabus for NEET 2022 is the compilation of topics from classes 11 and 12. The candidate must prepare the syllabus thoroughly from classes 11 and 12 to score well in the examination.

The NEET syllabus contains topics from the NCERT, CBSE, ICSE, and COBSE boards. So, before filling out the NEET 2022 application form, the candidate must know the NTA NEET UG syllabus. Let us look at the NEET 2022 Biology syllabus:

Biology Chapters for NEET for Class 11

Check out the complete syllabus of Chapters for NEET for Class 11:

Chapters for NEET for Class 11
Diversity in Living World
Biodiversity; Need for classification; Three domains of life; Taxonomy & Systematics; Concept of species and taxonomic hierarchy; Binomial nomenclature; Tools for study of TaxonomyHerbaria, Botanical gardens; Five kingdom classification; Salient features and classification of plants; Salient features and classification of animals
Structural Organisation in Animals and Plants
Morphology and modifications; Tissues; Anatomy and functions of different parts of flowering plants; Animal tissues; Morphology, anatomy and functions of different systems
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
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 quotientPlant growth and development; Differentiation, dedifferentiation and Redifferentiation; Sequence of developmental process in a plant cell; GrowthRegulators; Vernalisation; Photoperiodism
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 failureExcretory 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, GoutNeural 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 the 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.

Biology Chapters for NEET Class 12

Following are the detailed Biology Chapters for NEET for class 12:

Biology Chapters for NEET for Class 12
Reproduction in organisms; Asexual reproduction; ModesSexual 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 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; LactationReproductive 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
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 syndrome 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 solution: 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; Gene flow and genetic drift; Hardy-Weinberg’s principle; Adaptive Radiation; Human evolution
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 husbandryMicrobes in human welfare: In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilisers
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
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 pyramid 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 sanctuariesEnvironmental 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

The candidates for the medical exam can check the whole NEET-UG 2022 syllabus from the mentioned link. 

NEET 2022 Section-wise Marks

Before preparing for the NEET 2022 examination, candidates must know the questions and marks distribution. It will help candidates in creating the study plan. In this section, we have tabulated the total marks and no. of questions that will be asked in the NEET 2022 exam:

NEET 2022 Subjects

Sections (A and B)

No. of Questions



Section A



Section B




Section A



Section B




Section A



Section B




Section A



Section B



The pie chart shown below will help the candidate understand the section-wise marks for NEET 2022:

NEET Biology Syllabus 2022 - Embibe

NEET Biology Chapter-wise Weightage

There will be 200 questions in the NEET examinations, and 50% of the questions will be from the Biology section. So, the candidate must know the weightage of the Biology chapters. You can also check the important topics of NEET 2022 from the mentioned link. Following is the Biology 11th and 12th NEET Biology chapter-wise weightage.

NEET Biology Chapter-wise WeightageNEET Biology Chapter-wise Weightage in Percentage
Diversity of Living Organisms13%
Structural Organisation in Plants & Animals8%
Cell: Structure and Function7%
Plant Physiology9%
Human Physiology17%
Genetics and Evolution12%
Biology and Human Welfare10%
Ecology and Environment10%
Biotechnology and its Applications4%

The candidate can check the chapter-wise weightage of all the subjects asked in NEET 2022 –NEET Biology chapter-wise weightage 2022.

NEET 2022: Best Books for Biology Preparation

Getting the right book for NEET 2022 preparation is necessary and beneficial for the candidate. NEET Biology questions are direct and theoretical. The aspirant must study from the best books to get a solid understanding. There is a plethora of publications that release books for NEET preparation. In this section, we will provide you with the best books for NEET Biology:

Books for NEET 2022 BiologyAuthor Name
NCERT Biology Class 11th textbookNCERT
NCERT Biology Class 12th textbookNCERT
Objective Biology (volumes 1 and 2)Trueman Publications
Biology Classes 11 and 12 (Volume 1 & 2)Pradeep Publications
Medical Entrances Biology (Vol 1, 2 and 3)Mamta R Solanki and Lalita Ghotik
A Class Book for BotanyAC Dutta
Objective Biology (Volume 1, 2, and 3 along with Practice Papers)Dinesh Publications
Objective Biology (volumes 1 & 2)GR Bathla

The candidate can check Best Books For NEET 2022: Physics, Chemistry and Biology here.

NEET 2022 Preparation Tips

Additionally, the NEET Biology syllabus is extensive, along with a high weightage of marks. It demands regular practice and a study plan to cover the syllabus. The candidate can follow the below given NEET preparation tips to score well in the exam:

  1. Get the best books and study material for the preparation of NEET 2022. Candidates can read the NCERT Biology textbook to build basic knowledge.
  2. Focus on practising NEET previous year’s question paper and mock test series to get clarity on the complex topics. It will also improve the speed and accuracy of the aspirant.
  3. Strategise and create the right study plan before starting the preparation for the exam.
  4. The candidate must give attention to important topics such as human physiology, plant physiology, reproduction, and genetics.

FAQs About NEET Biology Syllabus 2022

Let us look at some of the frequently asked questions in the NEET Biology syllabus:

Q.1: When did NEET 2022 registration start?
Ans: NEET 2022 registration began on April 6, 2022, and the last date was May 20, 2022.

Q.2: When was the NEET 2022 exam held?
Ans: The NEET 2022 examination was conducted on July 17, 2022.

Q.3: Which chapter of Biology has the highest weightage in NEET 2022?
Ans: Human physiology, plant physiology, reproduction, and genetics hold the maximum weightage in NEET 2022.

Q.4: What is the duration of the NEET 2022 examination?
Ans: The time duration of NEET 2022 is 3 hours.

Q.5: I have 45% in my class 12th board examination. Can I fill out the NEET 2022 application form?
You can check the NEET 2022 eligibility criteria from the mentioned link. 

Quick Links,

NEET 2022 CounsellingNEET 2022 Important Dates
NEET 2022 Answer KeyNEET 2022 Exam
NEET Exam Centres 2022NEET Cutoff 2022

There are more than 400 colleges that accept NEET marks, so candidates must give their best in the NEET 2022 examination. The exam is around the corner, so the candidate must gear up their preparation with the NEET study material. The candidate can also check NEET 2022 question bank here.

We hope this article on the NEET Biology syllabus helps you. Download the Embibe learning app to start your preparations for NEET 2022. You can also solve practice questions and take mock tests for. Remember to bookmark us to get all the latest exam notifications.

Embibe wishes the students all the best for future examinations. 

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