NEET 2025 Biology Weightage: Chapter-wise breakdown for Class 11, 12, important topics
Vikas Kumar Pandit | February 22, 2025 | 06:18 PM IST | 2 mins read
NEET 2025 exam will be held on May 4. NEET Biology will have 90 questions, contributing 50% of the total marks.
Download the NEET Most Scoring Chapters and Topics PDF based on the past 5 years’ analysis. Focus on high-weightage topics and boost your NEET preparation.
Download EBookNEW DELHI: The National Testing Agency (NTA) will be conducting the National Eligibility-cum Entrance Test Undergraduate (NEET UG 2025) on May 4, 2025. Candidates appearing for the NEET UG 2025 exam should be aware of the subject-wise weightage to plan their preparation effectively.
Medical aspirants seeking admission to Bachelor of Medicine and Bachelor of Surgery (MBBS), Bachelor of Dental Surgery (BDS), Ayurveda, Yoga and Naturopathy, Unani, Siddha, and Homoeopathy (AYUSH), and other undergraduate medical courses in India must appear for the National Eligibility cum Entrance Test (NEET).
The NEET UG 2025 registration process is underway and the last date to fill out the application form is March 7, 2025. The NEET UG 2025 registration link is available on the official website at neet.nta.nic.in.
The NEET question paper consists of 180 multiple-choice questions, each carrying four marks. The questions are based on the Class 11 and 12 syllabus, covering Physics, Chemistry, and Biology.
The weightage of biology in the NEET exam is highest among the three subjects. Biology will have 90 questions, contributing 50% of the total marks. The biology section is divided into two parts: botany and zoology, each containing 45 questions. Physics and chemistry will each have 45 questions.
NEET 2025 Biology: Class 11, 12 chapter-wise weightage
Medical aspirants can check the NEET 2025 Biology chapter-wise weightage from the table given below.
|
Unit |
Chapters |
Class 11 weightage |
|
1 |
Diversity of Living Organisms |
14% |
|
The Living World |
||
|
Biological Classification |
||
|
Plant Kingdom |
||
|
Animal Kingdom |
||
|
2 |
Structural Organisation in Plants & Animals |
5% |
|
Morphology of Flowering Plants |
||
|
Anatomy of Flowering Plants |
||
|
Structural Organisation in Animals |
||
|
3 |
Cell: Structure and Function |
9% |
|
Cell-The Unit of Life |
||
|
Biomolecules |
||
|
Cell Cycle and Cell Division |
||
|
4 |
Plant Physiology |
6% |
|
Transport in Plants |
||
|
Mineral Nutrition |
||
|
Photosynthesis in Higher Plants |
||
|
Respiration in Plants |
||
|
Plant - Growth and Development |
||
|
5 |
Human Physiology |
20% |
|
Digestion and Absorption |
||
|
Breathing and Exchange of Gases |
||
|
Body Fluids and Circulation |
||
|
Excretory Products and Their Elimination |
||
|
Locomotion and Movement |
||
|
Neural Control and Coordination |
||
|
Chemical Coordination and Integration |
||
|
Unit |
Chapters |
Class 12 weightage |
|
6 |
Reproduction |
9% |
|
Reproduction in Organisms |
||
|
Sexual Reproduction in Flowering Plants |
||
|
Human Reproduction |
||
|
Reproductive Health |
||
|
7 |
Genetics and Evolution |
18% |
|
Principles of Inheritance and Variation |
||
|
Molecular Basis of Inheritance |
||
|
Evolution |
||
|
8 |
Biology and Human Welfare |
9% |
|
Human Health and Diseases |
||
|
Strategies for Enhancement in Food Production |
||
|
Microbes in Human Welfare |
||
|
9 |
Biotechnology and its Applications |
4% |
|
Biotechnology - Principles and Processes |
||
|
Biotechnology and its Application |
||
|
10 |
Ecology and Environment |
6% |
|
Organisms and Populations |
||
|
Ecosystem |
||
|
Biodiversity and its Conservation |
||
|
Environmental Issues |
Follow us for the latest education news on colleges and universities, admission, courses, exams, research, education policies, study abroad and more..
To get in touch, write to us at news@careers360.com.
Quick Watch
]Next Story
]NEET UG 2025: Top government medical colleges with 5 years’ cut-off ranks; AIIMS Delhi most sought-after
NEET UG registration 2025 likely to begin soon at the official website, neet.nta.nic.in. All top 48 NEET UG rank holders, except for one who took admission in JIPMER Puducherry, opted for MBBS at AIIMS Delhi last year.
Anu Parthiban | 2 mins readFeatured News
]- Where are the bank jobs? Finance still hiring, just not where commerce graduates are looking
- 1 in 5 Indian children live below poverty line; at 21%, poverty rate highest among the uneducated: World Bank
- SRFTI Kolkata alumni backs students, says police deployment escalated tensions; urges VC to hold talks
- Karnataka coaching centres may face 5-hour daily cap, no under-15 enrolment, Rs 5 lakh fine for violations
- Why was Anbil Mahesh arrested? Tamil Nadu’s Rs 400-crore private school approvals case explained
- After AMU and Jamia, BHU students launch agitation for union polls, on hold for 3 decades
- MUHS Nashik plans 865 new colleges: 51 for MBBS, most in small towns; big push for allied health sciences
- NSO Survey: Nearly 50% of children travelling at least 1 km to school walk, more so in rural areas
- At 7 IITs, 1,495 reserved SC, ST, OBC faculty posts vacant; IIT Kharagpur alone has 710, reveals RTI data
- In a first for NEET UG Counselling, costliest medical colleges slash MBBS fees up to 40% as seats go vacant