NEET Biology Exam Pattern 2025: The National Eligibility cum Entrance Test (NEET) is the most important exam for medical aspirants, conducted every year by National Testing Agency (NTA). It is the gateway to secure seats in various medical and dental courses, including MBBS, BDS, AYUSH, and nursing, in both government and private colleges across the country. NTA will conduct the medical entrance exam for the session 2025-26 on May 4, 2025 (Sunday), from 2 PM to 5 PM. The exam will be conducted in offline mode and will be based on the syllabi of Physics, Chemistry, and Biology subjects of Classes 11 and 12.
NEET Exam Pattern 2025 Changed
NTA has officially revised the NEET 2025 exam pattern, reverting it to the pre-COVID format. The optional questions introduced during the pandemic have now been removed. The total number of questions has been reduced from 200 to 180, and the total exam duration has also been reduced from 200 minutes to 180 minutes.
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NEET Previous Year Question Papers for Revision
In this article, we will discuss the latest NEET 2025 exam pattern, particularly for the Biology section which carries half the weightage of the NEET Exam. Students must go through this article to know the crucial examination details like the number and type of questions, marking scheme, chapter-wise weightage and more to keep themselves aligned with their NEET preparations and get ready to crack the test in their first attempt.
NEET 2025 Exam Pattern
The NEET 2025 exam will be a multiple-choice question (MCQ) based exam. There will be a total of 180 compulsory questions from three subjects – Physics, Chemistry, and Biology. Each question will carry 4 marks, making the total marks for the NEET Exam 720.
Key Highlights of NEET 2025
| Particulars | Details |
| Exam Name | National Eligibility cum Entrance Test (NEET) 2025 |
| Mode of the Examination | Offline (Pen-Paper Based) |
| Duration of the Exam | 3 hours (180 minutes) |
| Total Questions | 180 compulsory questions |
| Question Type | Multiple Choice Type Questions (MCQs) |
| Number of Questions from Physics | 45 |
| Number of Questions from Chemistry | 45 |
| Number of Questions from Biology | 90 (Botany + Zoology) |
| Total Marks | 720 Marks |
| Marking Scheme |
|
| Medium of Exam | English, Hindi, Assamese, Bengali, Gujarati, Marathi, Tamil, Telugu, Oriya, Malayalam, Kannada, Punjabi, and Urdu) |
NEET 2024 Biology Exam Pattern
NEET UG 2025 exam pattern is based on Physics, Chemistry, and Biology subjects. Biology is divided into Botany and Zoology. As per the revised pattern, there will be 90 questions in Biology. Equal weighatge will be assigned both subjects - Botany and Zoologybe compulsory.
NEET Biology Exam Pattern and Marks Distribution
| Subject | Number of Questions | Marks |
| Botany | 45 | 180 |
| Zoology | 45 | 180 |
| Total | 90 | 360 |
NEET Biology Marking Scheme 2025
The marking scheme for the NEET 2025 biology exam is as follows:
- Each correct answer will be awarded 4 marks.
- 1 mark will be deducted for each incorrect answer.
- There will be no negative marking for unanswered questions.
NEET 2025: Biology Important Topics
The questions will be based on the latest NEET Biology Syllabus prescribed for classes 11 and 12. The syllabus covers a wide range of topics, including:
- Cell Biology
- Molecular Biology
- Genetics
- Evolution
- Plant Physiology
- Animal Physiology
- Ecology
- Human Physiology
The questions will be of varying difficulty levels, from easy to difficult. There will be a mix of Conceptual and application-based questions.
Chapter-wise weightage of Biology for NEET 2025
Chapter-wise weightage can be helpful for candidates to categorise the topics into less and more important ones and set their priorties accordingly. Based on previous year exams and experts analysis’, we have presented below an approximate weightage distribution for Biology that can be referred to while preparing for the medical entrance test. However, slight variations can be expected in this weightage distribution for the NEET 2024.
Class 11 Biology Weightage Distribution for NEET 2025 | ||
| Unit I Diversity of Living Organisms | Chapter-1: The Living World Chapter-2: Biological Classification Chapter-3: Plant Kingdom Chapter-4: Animal Kingdom | 14% |
| Unit II Structural Organisation in Plants & Animals | Chapter-5: Morphology of Flowering Plants Chapter-6: Anatomy of Flowering Plants Chapter-7: Structural Organisation in Animals | 5% |
| Unit III Cell: Structure and Function | Chapter-8: Cell-The Unit of Life Chapter-9: Biomolecules Chapter-10: Cell Cycle and Cell Division | 9% |
| Unit IV Plant Physiology | 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 | 6% |
| Unit V Human Physiology | 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 | 20% |
Class 12 Biology Weightage Distribution for NEET 2025 | ||
| Unit VI Reproduction | Chapter-1: Reproduction in Organisms Chapter-2: Sexual Reproduction in Flowering Plants Chapter-3: Human Reproduction Chapter-4: Reproductive Health | 9% |
| Unit VII Genetics and Evolution | Chapter-5: Principles of Inheritance and Variation Chapter-6: Molecular Basis of Inheritance Chapter-7: Evolution | 18% |
| Unit VIII Biology and Human Welfare | Chapter-8: Human Health and Diseases Chapter-9: Strategies for Enhancement in Food Production Chapter-10: Microbes in Human Welfare | 9% |
| Unit IX Biotechnology and its Applications | Chapter-11: Biotechnology - Principles and Processes Chapter-12: Biotechnology and its Application | 4% |
| Unit X Ecology and Environment | Chapter-13: Organisms and Populations Chapter-14: Ecosystem Chapter-15: Biodiversity and its Conservation Chapter-16: Environmental Issues | 6% |
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