NEET 2025 BIOLOGY All IMPORTANT Chapters Weightage-wise

Check out NEET 2025 Biology (Botany and Zoology) All Important Chapters Weightage wise with Number of Questions per year as per NEET 2025 Syllabus.

NEET BIOLOGY (Average No. of Questions per Year)

The NEET Paper contains 180 Questions. Out of which 90 Questions are from Biology (45 each from Botany and Zoology). Each question consists of 4 marks making it an Important 360 Marks (50%) of the paper with Physics and Chemistry making it a total of 720 Marks! So, Consistent Hardwork along with effective planning and time management is a must to crack the entrance test to get a seat in your dream medical college.

Checkout the list below to prepare for NEET BIOLOGY. The data given is based on the average number of questions from each chapter coming in NEET examination from the Previous 5 Years Paper. While some chapters may have less number of questions and look not so important but could actually be smaller and quicker to finish. So, prepare accordingly and make your plan wisely to complete the NEET Biology Syllabus for 2025 examinations. All The Best!

Most IMPORTANT Chapters with Highest Number of Questions

ZOOLOGY

1. Animal Kingdom 7
2. Biotechnology: Principles and Processes 6
3. Biomolecules 5

BOTANY

1. Molecular Inheritance 6
2. Principle of Inheritance and Variations 5

Chapters with 4 Questions Per Year

ZOOLOGY

• Structural Organisation in Animals 4
• Reproductive Health 4
• Biotechnology and its Applications 4

BOTANY

• Cell Cycle and Cell Division 4

Chapters with 3 Questions Per Year

ZOOLOGY

• Locomotion and Movement 3
• Evolution 3
• Human Reproduction 3
• Human Health and Disease 3

BOTANY

• Anatomy of Flowering Plants 3
• Sexual reproduction in Plants 3
• Morphology of Flowering Plants 3
• Plant Growth and Development 3
• Plant Kingdom 3

Chapters with 2 Questions Per Year

ZOOLOGY

• Body Fluids and Circulation 2
• Breathing and Exchange of Gases 2
• Excretory Products and their elimination 2
• Chemical Coordination and Integration 2

BOTANY

• Biodiversity and Conservation 2
• Cell Unit of Life 2
• Respiration in Plants 2
• Microbes in Human Welfare 2
• Ecosystem 2
• Organisms and Populations 2
• Photosynthesis in Higher Plants 2

Chapters with 1 Question Per Year

ZOOLOGY

• Neural Control and Coordination 1

BOTANY

• Biological Classification 1
• Living World 0-1

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NEET BOTANY (Average No. of Questions per Year)

NEET Botany has a total of 17 Chapters/Topics with three chapters getting an average of more than 3 questions per year ranked as the most important weightage-wise. There are 5 Chapters with average of 3 questions per year; 7 chapters with average of 2 questions per year and 2 chapters with average of 1 question per year. While chapters with less number of questions may be smaller in size, so plan accordingly and try to finish all the chapters for NEET 2025 Examination.

Most IMPORTANT Chapters Weightage wise:-

1. Molecular Inheritance 6
2. Principle of Inheritance and Variations 5
3. Cell Cycle and Cell Division 4

Chapters with 3 Questions Per Year

• Anatomy of Flowering Plants 3
• Sexual reproduction in Plants 3
• Morphology of Flowering Plants 3
• Plant Growth and Development 3
• Plant Kingdom 3

Chapters with 2 Questions Per Year

• Biodiversity and Conservation 2
• Cell Unit of Life 2
• Respiration in Plants 2
• Microbes in Human Welfare 2
• Ecosystem 2
• Organisms and Populations 2
• Photosynthesis in Higher Plants 2

Chapters with 1 Question Per Year

• Biological Classification 1
• Living World 0-1

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NEET ZOOLOGY (Average No. of Questions per Year)

NEET Zoology has a total of 15 Chapters/Topics with 3 chapters getting an average of more than 4 questions per year ranked as the most important weightage-wise. There are 3 Chapters with average of 4 questions per year; 4 chapters with average of 3 questions per year; 4 chapters with average of 2 and 1 chapter with 1 question per year. While chapters with less number of questions may be smaller in size, so plan wisely and try to complete all the chapters for NEET 2025 Entrance Test.

Most IMPORTANT Chapters Weightage wise

1. Animal Kingdom 7
2. Biotechnology: Principles and Processes 6
3. Biomolecules 5

Chapters with 4 Questions Per Year

• Structural Organisation in Animals 4
• Reproductive Health 4
• Biotechnology and its Applications 4

Chapters with 3 Questions Per Year

• Locomotion and Movement 3
• Evolution 3
• Human Reproduction 3
• Human Health and Disease 3

Chapters with 2 Questions Per Year

• Body Fluids and Circulation 2
• Breathing and Exchange of Gases 2
• Excretory Products and their elimination 2
• Chemical Coordination and Integration 2

Chapters with 1 Question Per Year

• Neural Control and Coordination 1

NEET Examination is one the the toughest examinations in India which students have to go through to continue on their dream of pursuing MBBS and be a qualified Doctor. So, Prepare Well and try to complete the whole syllabus. Prepare or Have Good Notes, Do Proper revisions, Solve PYQs and practice papers. These will help you in acheiving a Good Score in NEET 2025 Examination. Similar Articles for Physics and Chemistry will be posted soon. ALL THE BEST!