How to Study Biology for NEET UG 2025: Biology is vital in deciding students’ success in the NEET UG exam. Everyone knows that biology is an important section, as it is one of the most scoring subjects. Candidates should plan wisely for the NEET Biology preparation. It does not mean that candidates can neglect the other two subjects. The NEET UG Biology paper is considered an average difficulty meter among all other subjects. Candidates should know the tips to qualify for the NEET UG exam.
In the biology section, there will be 100 questions in the NEET UG paper, out of which candidates must attempt any 90 questions offering a total of 360 marks. The article will give the candidates important NEET preparation tips to help them pass the entrance exam.
NEET UG 2025 Biology Pattern
When we look at how to study Chemistry for NEET UG, the primary thing is understanding the NEET UG Exam Pattern. The table below contains the Biology section’s structure in the NEET UG exam.
| Biology | Number of Questions | Marking Scheme |
| Botany Section A | 35 | 140 |
| Botany Section B | 15 | 40 |
| Zoology Section A | 35 | 140 |
| Zoology Section B | 15 | 40 |
| Total | 100 (90 applicable for attempt) | 360 |
How to Prepare for NEET Biology (Strategies)
- Start with the NCERT book of both classes (Class 11 & Class 12 NCERT Book).
- Create short Biology notes for the last-minute revision.
- Start full revision as soon as you complete the NEET UG syllabus.
- Practice several sample papers of NEET Biology as you can.
- Practice last year’s question papers for the NEET exam.
NEET UG Biology Important Topics 2025
| Class 11th Biology Important topic for NEET preparation | Class 12th Biology Important topic for NEET preparation |
|---|---|
| Plant Kingdom > Questions from different types of algae and their pigments > General characters of pteridophytes and gymnosperms | Reproduction >Gametogenesis in plants >Gametogenesis in humans >Reproductive structures in plants and animals >Polyembryony, Parthenocarpy, apomixis >Menstrual cycle |
| Biological classification General features of Monera, Protista, Fungi | Genetics & evolution >Dihybrid cross, linkage >Codominance >Pedigree analysis >Genetic disorders >Darwinism and natural selection >Human evolution |
| Structural organization in plants and animals >Root, stem, and leaf anatomy >Animals’ tissues and their functions, specifically epithelial tissues | Biotechnology >Process and applications >BT cotton, RNAi, Human insulin, Gene therapy, molecular diagnostics |
| Cell: Structure & Functions >Mycoplasma, nucleus, chromosomes, ribosomes, chloroplast, and mitochondria >Meiosis – Prophase I | Biology in human welfare >Human immunity >AIDS, Cancer >Drugs |
| Plant physiology >C3, C4 cycle >Kranz anatomy >Glycolysis and Krebs cycle >ETS complexes >Photoperiodism >Transpiration pull >Bulk movement in Phloem >Mineral deficiency & Nitrogen cycle | Ecology and environment >Environmental issues >Biogeochemical cycles >Population interactions >Adaptations >Succession |
| Animal/Human Physiology >All topics, specifically diagrams, are critical | – |
NEET Biology Preparation: Weightage of Important Topics
The perfect method to solving the NEET UG biology section involves understanding the essential topics, the syllabus, and their weightage. The following table brings the topics from the NEET UG Biology Chapter Wise Weightage as assigned.
NEET UG Biology chapter-wise weightage
| Chapter | Weightage out of 100 |
| Diversity in Living World | 14% |
| Cell Structure and Function | 5% |
| Structural Organisation in Animals and Plants | 9% |
| Plant Physiology | 6% |
| Human Physiology | 20% |
| Reproduction | 9% |
| Genetics and Evolution | 18% |
| Biotechnology and Its Applications | 3% |
| Biology and Human Welfare | 4% |
| Ecology and environment | 12% |
NEET UG Biology Botany Chapterwise questions
| Class | Botany important chapters for NEET UG | Total |
| 12th | Biology in Human Welfare | 1 |
| 11th | Cell & Cell Cycle | 5 |
| 11th | Diversity of Life | 5 |
| 12th | Ecology | 6 |
| 12th | Genetics | 6 |
| 11th | Plant Physiology | 8 |
| 12th | Reproduction & Sexual Reproduction | 4 |
| 11th | Structural Organisation of Plants | 5 |
| 12th | Animal Husbandry & Biotechnology | 7 |
| 12th | Evolution: Theories & Evidence | 1 |
| 11th | Biomolecules | 2 |
| – | Total | 50 |
NEET UG Biology Zoology Chapterwise questions
| Class | Zoology important chapters for NEET UG | Total |
| 12th | Biology in Human Welfare | 2 |
| 11th | Cell Structure and function | 4 |
| 11th | Diversity of Life | 0 |
| 12th | Ecology | 3 |
| 12th | Genetics | 5 |
| 11th | Plant Physiology | 0 |
| 12th | Reproduction & Sexual Reproduction | 0 |
| 11th | Structural Organisation of Plants | 0 |
| 11th | Animal Kingdom | 5 |
| 12th | Animal Husbandry & Biotechnology | 6 |
| 12th | Evolution | 1 |
| 12th | Human Health & Disease | 1 |
| 11th | Human Physiology | 10 |
| 12th | Human Reproduction & Reproductive Health | 6 |
| 11th | Biomolecules | 3 |
| 11th | Structural Organisation in Animals | 4 |
| – | Total | 50 |
What are the Best Books for NEET Biology?
Candidates preparing for the NEET UG exam must use Biology NCERT books for classes 11 and 12 NCERT Book. Candidates must choose the best NEET books that can be helpful to crack the NEET exam. Selecting the best books is undoubtedly the most important preparation for NEET UG. These books also included the most important topics & relevant resources from the excess of study materials available in the market. More practice from the best books will help you to enhance the preparation strategy, speed, and accuracy level.
| Name of Book | Buy Link Here |
|---|---|
| NCERT Biology Class XI textbooks | Click Here |
| NCERT Biology Class XII textbooks | Click Here |
| Biology Vol 1 and Vol 2 by Trueman | Click Here |
| Objective Biology by Dinesh | Click Here |
| Objective Botany by Ansari | Click Here |
| Pradeep Guide on Biology | Click Here |
| GR Bathla publications for Biology | Click Here |
NEET UG Analysis for Biology Section
In this section, we take the last year’s Biology NEET UG analysis in terms of topics, difficulty level, weightage and coverage of the NEET UG syllabus.
NEET UG Analysis for Botany Section
| Topics | Number of Questions |
|---|---|
| Plant Kingdom | 3 |
| Morphology of Flowering Plants | 3 |
| Anatomy of Flowering Plants | 3 |
| Cell: The Unit of Life | 1 |
| Cell Cycle & Cell Division | 2 |
| Biomolecules-I | 2 |
| Mineral Nutrition | 2 |
| Photosynthesis in Higher Plants | 3 |
| Respiration in Plants | 2 |
| Plant Growth & Development | 3 |
| Sexual Reproduction in Flowering Plants | 3 |
| Principles of Inheritance and Variation | 4 |
| Molecular Basis of Inheritance | 4 |
| Biotechnology: Principles and Processes | 3 |
| Biotechnology and Its Applications | 1 |
| Organisms and Population | 2 |
| Ecosystem | 2 |
| Biodiversity and Conservation | 2 |
| Environmental Issues | 2 |
| Total Number of Questions | 50 |
NEET UG Analysis for Zoology Section
| Topic | Number of Questions |
|---|---|
| Animal Kingdom | 2 |
| Cockroach | 1 |
| Structural Organisation in Animals (Animal Tissue) | 3 |
| Digestion and Absorption (Digestive System) | 2 |
| Breathing and Exchange of Gases (Respiratory System) | 2 |
| Body Fluids And Circulation (Circulatory System) | 2 |
| Excretory Products And Their Elimination (Excretory System) | 1 |
| Locomotion And Movement (Muscles, Skeletal System) | 2 |
| Biomolecules | 2 |
| Neural Control And Co-ordination (Nervous System, Sensory Organs) | 1 |
| Chemical Co-ordination and Integration (Endocrine System | 2 |
| Human Reproduction | 3 |
| Reproductive Health | 2 |
| Origin and Evolution | 2 |
| Human Health and Disease | 2 |
| Strategies for Enhancement in Food Production | 1 |
| Microbes in Human Welfare | 1 |
| The Living World | 1 |
| Biological Classification | 3 |
| Ecology | 3 |
