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NEET UG Biology Important Units/Topics 2019 11th & 12th Weightage Syllabus Download

NEET UG Biology Important Units/ Topics 2019 11th & 12th Weightage Syllabus Download –This is the information regarding NTA National Eligibility Cum Entrance Test (NEET) 2019. The board is going to conduct the selection test for the admission in MBBS/ BDS courses in Government & Private Colleges in India. Now the application process is ended and those who are searching for the NEET Syllabus & Exam Pattern for preparation can check the article below. We are mentioning the NEET Biology Syllabus Unit/ Topic Wise, NEET Cutoff 2019 and also details of weight age for each chapter.

Also, Check NEET UG Result 2019 

NEET Biology Syllabus 2019

Key Details of NTA NEET Biology Syllabus 2019

National Testing Agency (NTA) will conduct the NEET 2019 for the admissions of the MBBS/ BDS admissions for the academic session 2019-20. The NEET will be conducted in May 2019. Aspirants who have done with the registration process can now get the NTA NEET Syllabus 2019 here. After checking, please start the preparation/ practicing accordingly.

For the convenience, we are providing the UG NEET Medical Syllabus 2019 Physics, Chemistry & Biology separately. So here we are giving you the Biology syllabus. Those who need NEET Physics/ Chemistry study materials can visit our homepage. Applicants can also download Previous Year NEET Biology Model Paper for better preparation. It will be easily available on the official website.

In the NTA NEET Admission Test, the board will ask the question related to Class XI/ XII. Those who are preparing for MBBS (Medical) can have to study Physics/ Chemistry/ Biology streams. So now here is Biology important topics of the 11th/12th class are given below.

Overview of NTA NEET Admissions 2019
Conducting Authority National Testing Agency (NTA)
Exam Name National Eligibility Cum Entrance Test (NEET)
NEET 2019 Exam Date May Exam Date: 5th May 2019
Article Category NEET Biology Syllabus
Availability of NEET Admit Card  15 days before the exam
Official Website Address www.nta.ac.in

NTA Class XI NEET 2019 Important Units:

Cell Structure and Function
Human Physiology
Diversity in Living World
Plant Physiology
Structural Organisation in Animals and Plants

Last Year NEET Cut-off 2018

Name of the Category Qualifying Criteria  Marks Range No.of candidates 
Others 50% 691-119 6,34,897
OBC 40% 118-96 54,653
SC 40% 118-96 17,209
ST 40% 118-96 7446
UR & PH 45% 118-107 205
OBC & PH 40% 106-96 104
SC & PH 40% 106-96 36
ST & PH 40% 106-96 12
Total 7,14,562

NEET Class 11th Unit Wise Details –

1.Cell Structure and Function:-

  • B-Cell division: Mitosis, meiosis and their significance, Cell cycle.
  • Structure of prokaryotic and eukaryotic cell, Plant cell and animal cell, Cell theory and cell as the basic unit of life, Cell envelope, cell membrane, cell wall, Cell organelles-structure and function, Endomembrane system-endoplasmic reticulum, Golgi bodies, lysosomes, vacuoles; mitochondria, ribosome’s, plastids, microbodies; Cytoskeleton, cilia, flagella, centrioles, Nucleus-nuclear membrane, chromatin, nucleolus.
  • Chemical constituents of living cells: Carbohydrates, lipids, Bimolecular-structure and function of proteins, nucleic acids, Enzymes-types, properties.

2.Human Physiology:-

  1. 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.
  2. Alimentary canal and digestive glands, Digestion and absorption, Peristalsis, digestion, absorption and assimilation of proteins, Function of digestive enzymes and gastrointestinal hormones, carbohydrates and fats, Caloric value of proteins, carbohydrates and fats, Egestion, Nutritional and digestive disorders – PEM, indigestion, constipation, vomiting, jaundice, diarrhea.
  3. Breathing and Respiration: the Respiratory system in humans, Mechanism of breathing and its regulation in humans-Exchange of gases, Respiratory organs in animals, transport of gases and regulation of respiration Respiratory volumes, Disorders related to respiration-Asthma, Emphysema, Occupational respiratory disorders.
  4. Excretory products and their elimination: Uricotelism, Human excretory system structure and function, Modes of excretion- Ammonotelism, ureotelism, Urine formation, ADH and Diabetes insipidus, Osmoregulation, Regulation of kidney function-Renin-angiotensin, Atrial Natriuretic Factor, 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, Joints, Disorders of muscular and skeletal system-Myasthenia graves, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout.
  6. Body fluids and circulation: Composition of blood, blood groups, coagulation of blood, Human circulatory system-Structure of human heart and blood vessels, Composition of lymph and its function, Cardiac cycle, cardiac output, ECG, Double circulation, Regulation of 38 cardiac activity, Disorders of circulatory system-Hypertension, Angina pectoris, Heart failure, Coronary artery disease.
  7. Neural control and coordination: The nervous system in humans- central nervous system, peripheral & visceral nervous system, Generation and conduction of nerve impulse, Reflex action, Sense organs, Elementary structure and function of eye and ear, Neuron and nerves.
3.Diversity in Living World:-
  • Five kingdom classification, Protista, and Fungi into major groups, Lichens, Viruses and Viroids, salient features and classification of Monera.
  • Bryophytes, Pteridophytes, Gymnosperms, and Angiosperms, Salient features and classification of plants into major groups-Algae, Angiosperms- classification up to class.
  • Salient features and classification of animals-non-chordate up to phyla level and chordate up to class’s level.
  • What is living?, Three domains of life, Taxonomy & Systematic, Concept of species and taxonomical hierarchy, Biodiversity, Need for classification, Binomial nomenclature, Tools for study of Taxonomy – Museums, Zoos, Herbaria, Botanical gardens.

4.Plant Physiology:-

  1. Plant growth and development: Phases of Plant growth and plant growth rate, Conditions of growth, Differentiation, Seed germination, differentiation and dedifferentiation, Sequence of developmental process in a plant cell, Growth regulators-auxin, gibberellin, cytokinin, ethylene, ABA, Photoperiodism, Seed dormancy, Vernalisation.
  2. Transport in plants: Gases and nutrients, Cell to cell transport-Diffusion, facilitated diffusion, active transport, water potential, osmosis, plasmolysis, Long distance transport of water–Absorption, apoplast, symplast, transpiration pull, root pressure and guttation, Plant–water relations/Imbibition, Transpiration-Opening and closing of stomata, Uptake and translocation of mineral nutrients-Transport of food, phloem transport, Movement of water, Mass flow hypothesis, Diffusion of gases.
  3. Photosynthesis: Site of photosynthesis take place, pigments involved in Photosynthesis, Photochemical and biosynthetic phases of photosynthesis, Photosynthesis as a means of Autotrophic nutrition, Cyclic and non-cyclic & photophosphorylation, Chemiosmotic hypothesis, Photorespiration C3 and C4 pathways, Factors affecting photosynthesis.
  4. Mineral nutrition: 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, Essential minerals.
  5. Respiration: Cellular respiration-glycolysis, fermentation (anaerobic), TCA cycle and electron transport system (aerobic), Energy relations-Number of ATP molecules generated, Exchange gases, Respiratory quotient, Amphibolic pathways.

5.Structural Organisation in Animals and Plants:-

  • Tissues, Anatomy, and functions of different parts of flowering plants: Root, stem, leaf, inflorescence-cymose & racemose, flower, fruit and seed, Morphology and modifications.
  • Morphology, anatomy, and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of an insect (cockroach), Animal Tissues.

NTA Class 12th NEET Biology Important Units:

Biology and Human Welfare
Ecology and environment
Biotechnology and Its Applications
Genetics and Evolution

NEET Class XII Unit Wise Details-

1.Biology and Human Welfare:-

  • Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilizers.
  • Pathogens, Basic concepts of immunology-vaccines, Cancer, HIV and AIDS, Adolescence, drug & alcohol abuse, parasites causing human diseases (Malaria, Filariasis, Ascariasis, Typhoid, Pneumonia, common cold, amoebiasis, ringworm), Health and Disease.
  • Plant breeding, tissue culture, single cell protein, Biofortification, Improvement in food production, Apiculture & Animal husbandry.

2.Ecology and Environment:-

  1. Environmental issues: Water pollution and its control, Agrochemicals and their effects, Solid waste management, radioactive waste management, Greenhouse effect and global warming, Ozone depletion, Deforestation, Air pollution and its control.
  2. Biodiversity and its conservation: Patterns of Biodiversity, Importance of Biodiversity, Concept of Biodiversity, Loss of Biodiversity, Biodiversity conservation, Hotspots, National parks and sanctuaries, endangered organisms, extinction, Red Data Book, biosphere reserves.
  3. Organisms and environment: Population and ecological adaptations, Habitat and niche, Population interactions-mutualism, competition, birth rate and death rate, age distribution, predation, parasitism, Population attributes-growth.
  4. Ecosystem: Components, productivity, and decomposition, Patterns, Energy flow, Pyramids of number, biomass, energy, Nutrient cycling, Ecological succession, Ecological Services-Carbon fixation, pollination, oxygen release.


  • Reproduction in organisms: Modes of reproduction – Asexual and sexual reproduction, Modes-Binary fission, sporulation, budding, gemmule, fragmentation, vegetative propagation in plants, Reproduction, a characteristic feature of all organisms for the continuation of species.
  • Sexual reproduction in flowering plants: Pollination-types, agencies and examples, Outbreeding devices, Flower structure, Development of male and female gametophytes, Pollen-Pistil interaction, Double fertilization, Postfertilization events-Development of endosperm and embryo, Development of seed and formation of fruit, Significance of seed and fruit formation, Special modes-apomixis, parthenocarpy, polyembryony.
  • Human Reproduction: Microscopic anatomy of testis and ovary, Gametogenesis-spermatogenesis & oogenesis, Male and female reproductive systems, Menstrual cycle, Fertilisation, embryo development up to blastocyst formation, implantation, Lactation/Pregnancy/Placenta formation (Elementary idea).
  • Reproductive health: Birth control-Need and Methods Need for reproductive health and prevention of sexually transmitted diseases (STD), Contraception and Medical Termination of Pregnancy (MTP), Amniocentesis, Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for general awareness).

4.Biotechnology and Its Applications:-

  1. Application of Biotechnology in health and agriculture: Human insulin and vaccine production, gene therapy, Transgenic Animals, Biosafety issues-Biopiracy and patients, genetically modified organisms-Bt crops.
  2. Principles and process of Biotechnology: Genetic engineering (Recombinant DNA technology).

5.Genetics and Evolution:-

  • Heredity and variation: Co-dominance, Multiple alleles and Inheritance of blood groups, Sex-linked inheritance-Haemophilia, Pleiotropy, Elementary idea of polygenic inheritance, Chromosome theory of inheritance, Chromosomes and genes, Sex determination, birds, honey bee, Linkage and crossing over, Colour blindness, Mendelian disorders-Thalassemia, Chromosomal disorders in humans, Down’s syndrome, Turner’s and Klinefelter’s syndromes, Mendelian Inheritance, Deviations from Mendelism-Incomplete dominance.
  • Molecular basis of Inheritance: Structure of DNA and RNA, DNA packaging, DNA replication, Central dogma, Transcription, genetic code, Search for genetic material and DNA as genetic material, translation, Gene expression and regulation-Lac Operon, Genome and human genome project.
  • Evolution: 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, Origin of life, Biological evolution and evidences for biological evolution from Paleontology.

NEET Biology 2019 Topic Wise Weightage/Marks:

Name of Topics No of Questions Total Marks Weightage (approx)
Biological Classification 7-9 28-36 6.00%
Principles of Inheritance and Variation 5-7 20-28 4.00%
Morphology of Flowering Plants 4-6 16-24 4.03 %
Cell: The Unit of Life 4-6 16-24 4.03%
Animal Kingdom 2-4 8-16 3.20%
Sexual Reproduction in Flowering Plants 2-4 8-16 3.20%
Human Reproduction 2-4 8-16 3.20%
Environmental Issues 2-4 8-16 3.20%
Ecosystems 2-4 8-16 3.20%
Molecular Basis of Inheritance 2-3 8-12 2.00%
Human Health and Diseases 2-3 8-12 2.00%
Body Fluids and Circulation 2-3 8-12 2.00%
Neural Control and Coordination 1-2 4-8 1.00%
Biotechnology: Principles and Processes 1-2 4-8 1.00%
Anatomy of Flowering Plants 1-2 8 1.11%
Locomotion and Movement 1-2 4-8 1.00%
Microbes in Human Welfare 1-2 4-8 1.00%
Photosynthesis 1-2 4-8 1.00%
Chemical Coordination and Integration 1-2 4-8 1.00%
Evolution 1-2 4-8 1.00%
Excretory Products and Their Elimination 1-2 4-8 1.00%
Biomolecules 1-2 4-8 1.00%
Organisms and Populations 1-2 4-8 1.00%
Structural Organization in Animals Min 1 2-4 0.50%
Cell Cycle and Cell Division Min 1 2-4 0.50%
Reproduction in Organisms Min 1 2-4 0.50%
Biotechnology and its Applications Min 1 2-4 0.50%
Strategies for Enhancement in Food Production Min 1 2-4 0.50%
Digestion and Absorption Min 1 2-4 0.50%
Transport in Plants Min 1 2-4 0.50%
Reproductive Health Min 1 2-4 0.50%
Mineral Nutrition Min 1 2-4 0.50%
Breathing and Exchange of Gases Min 1 2-4 0.50%
Plant Growth and Development Min 1 2-4 0.50%

Availability of NEET 2019Admit Card & Result Declaration:

The applicants of NEET 2019 Admissions will get their hall ticket from the official website before 2 weeks of exam date. The NTA will release the NEET 2019 Hall Ticket from Jan & April 2019. All the candidates must download the admit card before the last date. Without the admit card applicant should be disqualified to attend the exam. The candidates can download the hall ticket by submitting the details of application number, date of birth & other detail. For more information contenders can check the official website.

This article will also give the details of NEET 2019 Result release date & steps to download. The expected date for the release date of the result will be June 2019. The aspirants can stay in touch with our web portal for latest updates.

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