How to prepare for NEET 2020 – Biology Chapter wise Syllabus

How to prepare for NEET 2020 – Biology Chapter wise Syllabus

The National Eligibility Entrance Test (NEET) is conducted by National Test Agency (NTA) for the entrance in medical studies in India, to award degrees of MBBS/BDS/BHMS/BAMS and BUMS. The Medical Council of India (MCI) recommended the following syllabus for the examination. Today, we are sharing the NEET Biology Chapter wise Syllabus which carry a total weightage of 50 Percent (360 marks). NEET 2020 Exam will be conducted for 3 hours, where 90 Questions will be from Biology Section. Any changes of the NEET 2020 Biology syllabus will be updated and subscribed users and students will be notified.

Very shortly shall come up with online video tutorials from expert teachers, who will explain and train students appearing NEET 2020. Please do subscribe to get the updates for online tutorials. Students can also get in touch with us for contact classes by calling or WhatsApp at  7003707750

NEET 2020 Detailed Biology Syllabus for Class XI 

Diversity In The Living World NEET Biology

UNIT I: Diversity in Living World

What is living

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

Five kingdom classification

Salient features and classification of Monera; Protista and Fungi into major groups; Lichens; Viruses and Viroid. 
• 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). 
• Salient features and classification of animals-non chordate up to phyla level and chordate up to classes level (three to five salient features and at least two examples). 

Structural Organisation in Animals and Plants NEET 2020

UNIT II: Structural Organisation in Animals and Plants

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)

Animal Tissues

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

Structure of Cell NEET 2020

UNIT III: 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. 

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

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

Plant Physiology NEET 2020

UNIT IV: Plant Physiology

Transport in plants

Movement of water, gases 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, apoplastsymplast, 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 gases (brief mention). 

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. 


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


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

Human Physiology NEET 2020

UNIT IV: Human Physiology

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.

Breathing and Respiration

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

Body fluids and Circulation

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

Excretory products and their Elimination

Modes of excretion- Ammonotelismureotelismuricotelism; Human excretory system-structure and function; Urine the 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.

Locomotion and Movement

Types of movement- ciliaryflagellar, 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. 

Neural Control and Coordination

Neuron and the 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.

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 goitre, diabetes, Addison’s disease). (Imp: Diseases and disorders mentioned above to be dealt in brief.) 

NEET 2020 Detailed Biology Syllabus for Class XII 

Reproduction NEET 2020

UNIT I: 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.

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-apomixisparthenocarpypolyembryony; Significance of seed and fruit formation. 

Human Reproduction

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

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 NEET 2020

UNIT II: Genetics and Evolution

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. 

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


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-Variation (Mutation and Recombination) and Natural Selection with examples, types of natural selection; Gene flow and genetic drift; Hardy Weinberg’s principle; Adaptive Radiation; Human evolution.

Biology and Human Welfare NEET 2020

UNIT III: Biology and Human Welfare

Health and Disease; Pathogens; parasites causing human diseases (Malaria, FilariasisAscariasisTyphoid, Pneumonia, common cold, amoebiasis, ring worm); 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. 

Biotechnology NEET 2020

UNIT IV: Biotechnology and Its Applications

• Principles and process of Biotechnology: Genetic engineering (Recombinant DNA technology). 

• 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.

Microorganism and environment NEET 2020

UNIT V: Ecology and the environment

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. 


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. 

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.

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; Any three case studies as success stories addressing environmental issues. 

Download the complete syllabus for NEET 2020 Biology in PDF format 

Recommended Biology Books for Students Appearing NEET 2020

NEET Biology

NEET Champion Biology

The principal objective of this series is that it should be able to familiarize the prospective student with a wide variety of questions frequently asked in various medical entrance exams. In the process, student will be able to gain mastery over the subject and emerge as Champions.

Objective Biology for NEET

Wiley's Objective Biology for NEET

The objective Biology for NEET is an endeavour to prepare the students for NEET (AIPMT) and other medical entrance examinations. Revision at a Glance, an exquisite feature has been incorporated to enhance the quick-learning. An enormous number of practice problems based on latest NEET pattern has been extensively developed from NCERT Biology books of class 11 and 12.

Wiley's Textbook of Zoology for NEET and Other Medical Entrance Examinations

The book has been organized with a structured approach as per the latest NEET syllabus requirement. A relatively conventional sequence of subjects is followed. Chapters 1 and 2 cover the diversity and classification of the animal kingdom; chapters 3 and 4 elucidate structural organization in Animals; chapters 5 through 11 deal with animal physiology; chapters 12 to 14 discuss Reproduction in organism specifically humans and their reproductive health;

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