How To Study Biology for NEET 2022

by Saurav Mishra June 03, 2022

Preparation of Biology to Ace NEET 2022

NTA (National Testing Agency) conducts the NEET exam every year for admission to the various medical courses. Candidates preparing for NEET biology are required to go through the concept of NCERT, as the syllabus and questions for the Biology section are almost entirely based on it.

Several biological scientific terms and facts are included in NEET Biology that are to be remembered. As per the analysis of NEET given by various experts across the country, the difficulty level of the question paper has increased over the past few years.

The below blog comprises the chapter-wise weightage of Biology for the convenience of the students. The important topics of Biology, the topic-wise expected toughness level, and well-planned preparation tips are essential to score the maximum in NEET 2022. For the convenience of aspirants, the innovative tricks to study Biology for NEET preparation are also mentioned below.

Chapter-wise Weightage of Biology for NEET

Before starting your preparation for NEET 2022 for the Biology subject, candidates must know the chapter-wise weightage of Biology.

Candidates can go through the expected topic wise difficulty level of  Biology paper for NEET 2022 from the table below.

Weightage of Chapters for Biology in NEET 2022

Weightage of Chapters for Biology Class XI



Chapter-1: The Living World


Chapter-2: Biological Classification

Chapter-3: Plant Kingdom

Chapter-4: Animal Kingdom

Chapter-5: Morphology of Flowering Plants


Chapter-6: Anatomy of Flowering Plants

Chapter-7: Structural Organisation in Animals

Chapter-8: Cell-The Unit of Life


Chapter-9: Biomolecules

Chapter-10: Cell Cycle and Cell Division

Chapter-11: Transport in Plants


Chapter-12: Mineral Nutrition

Chapter-13: Photosynthesis in Higher Plants

Chapter-14: Respiration in Plants

Chapter-15: Plant - Growth and Development

Chapter-16: Digestion and Absorption


Chapter-17: Breathing and Exchange of Gases

Chapter-18: Body Fluids and Circulation

Chapter-19: Excretory Products and Their Elimination

Chapter-20: Locomotion and Movement

Chapter-21: Neural Control and Coordination

Chapter-22: Chemical Coordination and Integration

Weightage of Chapters for Biology Class XII



Chapter-1: Reproduction in Organisms


Chapter-2: Sexual Reproduction in Flowering Plants

Chapter-3: Human Reproduction

Chapter-4: Reproductive Health

Chapter-5: Principles of Inheritance and Variation


Chapter-6: Molecular Basis of Inheritance

Chapter-7: Evolution

Chapter-8: Human Health and Diseases


Chapter-9: Strategies for Enhancement in Food Production

Chapter-10: Microbes in Human Welfare

Chapter-11: Biotechnology - Principles and Processes


Chapter-12: Biotechnology and its Application

Chapter-13: Organisms and Populations


Chapter-14: Ecosystem

Chapter-15: Biodiversity and its Conservation

Chapter-16: Environmental Issues



Important Topics of Biology for NEET

As is known to all, the Biology section in the NEET question paper comprises 90 questions which sum up to a total of 360 marks in the exam. Biology should be considered a subject in which candidates with better concepts and clarity can score well out of the total marks assigned. Hence, focusing more on Biology for NEET 2022 can increase aspirants' chances of cracking the medical entrance test. NEET Biology syllabus carries almost equal weightage of questions from Class 11 and 12. So, it is mandatory for aspirants to go through the overall syllabus of NEET Biology.

As mentioned, the distribution of Biology questions for NEET is equally done from class 11 and 12. So, candidates can go through the class-wise important topics of Biology which are important for NEET preparation along with the important section of it, which needs to be focused more.

Class 11th: Biology Important Topics for NEET Preparation

Plant Kingdom

  • Questions from different types of algae and their pigments

  • General characters of pteridophytes and gymnosperms

Biological Classification

  • General features of Monera, Protista, Fungi

Structural Organisation in Plants and Animals

  • Root, stem, and leaf anatomy

  • Animals 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

Class 12th: Important Topics of Biology for NEET Preparation


  • 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


  • 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

NEET General Preparation Tips for 2022

The aforementioned topics are very important for aspirants to go through while preparing for NEET Biology. Proper discipline and a well managed attitude are required to study these concepts. Candidates can go through the below tips and use them while preparing for NEET 2022.

  • Wake up as per your convenience but do not make it too late to be called afternoon.

  • Have a well nutritious breakfast.

  • Study for two hours

  • Take a small 10-minute break

  • Have a half-hour revision

  • Have your lunch; a power nap would be a good idea too!

  • Two hours of study should be followed by a 10-minute short break for the refreshment of mind and better concentration

  • Do a little physical exercise, as it increases your circulation all over your body

  • A revision of half an hour is required

  • Have a light dinner

  • Study for one hour

  • Listen to some good soothing music and go off to a good night’s sleep.

The Difficulty Level of the NEET Biology Paper

In the past few years of medical entrance exams, the level of difficulty has kept increasing significantly.

Candidates can go through the expected topic-wise difficulties level of  Biology paper for NEET 2022 from the table below.





Plant Kingdom




Animal Kingdom




Plant Morphology




Plant Anatomy



Structural Organisation in Animals




Cell Biology




Plant Physiology




Human Physiology








Genetics & Evolution




Human Health & Diseases




Strategies for Food Enhancement




Microbes in Human Welfare












The overall expected difficulty level of Biology in NEET 2022 is as follows - 

  • 60% easy

  • 25% medium

  • 15% difficult

Study Plan for NEET Biology

Candidates can go through the following tips to be taken care of while preparing for Biology for cracking the NEET 2022.

  • Avoid reading from multiple sources during this time. All the aforementioned topics given should be covered thoroughly.

  • Practice questions as much as you can, understanding the question is the first step towards solving it.

  • Topics like human physiology, plant physiology, reproduction, genetics, and ecology should be thoroughly revised.

  • Attempt mock tests to improve the speed of attempting questions.

Efficient Methods to Study for NEET Exam 2022

Candidates can go through the following efficient ways of studying while preparing for Biology to crack the NEET medical entrance exam.

  • Utilise online resources to fill the learning gap

  • Practice more and more diagrams and paste them around to keep a regular revision and also to give colour to the study space

  • Candidates can use calm music in the background while solving question papers, as per their convenience.

  • Keep a little physical exercise going along with the preparation.

  • Avoid reading too many news articles.

Tricks to Keep in Mind While Preparing for NEET Biology

As all NEET aspirants know it is the last lap of preparation and it will decide how one is scoring in the medical entrance exam. Candidates can go through some innovative tricks to study Biology while preparing for NEET 2022.

  • Revise all diagrams and tables from NCERT books thoroughly.

  • Examples for the plant kingdoms, animal kingdoms, plant morphology, plant anatomy, and animal tissue to be read from NCERT

  • Practise pedigree analysis to get quick inferences

  • Learn the different genetic combinations for dihybrid crosses.

  • Practise NCERT based questions as much as you can.


Students should follow some sort of smart strategy, like that discussed above, for the preparation for the NEET examination. Each subject should be given equal time as they are equally important. Here are all the tips and tricks along with the weightage of Biology given.