NEET Biology Weightage 2023

Biology Weightage For NEET 2023

NEET is a national level, single entrance exam for medical aspirants carried out every year for admissions to medical institutes. The exam assesses students’ knowledge in different sections such as Physics, Chemistry, and Biology. The exam is carried out for 720 marks, with 360 marks alone allotted for the Biology section. In other words, 90 questions appear in the Biology section of NEET, 45 each from Botany and Zoology sections.

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Over the years, on average, it has been observed that the Biology section of NEET exam is typically the easiest. Students find this section to be easy as 80-85% of questions appearing from this section in the NEET-UG exams 2023 are directly picked from the NCERT syllabus.

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NEET Chapter Wise Weightage

Only a mere 15% or so questions in the NEET Biology section are beyond the scope of NCERT. Hence, candidates who are well-versed with every line of the NCERT textbook for Biology are assured to crack the NEET Biology section with flying colours. To assist students in this endeavour further and comprehend the importance of concepts, we bring to you chapter wise weightage of Biology concepts as the NEET Biology syllabus remains vast.

Also see: NEET Questions

NEET Biology 2023 Chapter-wise Weightage

Don’t miss: All NEET Previous years’ question papers

NEET 2021 Question Paper Analysis – Biology

Chapter No. of Questions
The Living World 1
Biological Classification 1
Plant Kingdom 5
Animal Kingdom 4
Morphology of Flowering Plants 2
Anatomy of Flowering Plants 3
Structural Organisation in Animals 3
Cell: The Unit of Life 2
Biomolecules 3
Cell Cycle and Cell Division 7
Transport in Plants 1
Photosynthesis in Higher Plants 4
Respiration in Plants 1
Plant Growth and Development 3
Digestion and Absorption 2
Breathing and Exchange of Gases 3
Body Fluids and Circulation 3
Locomotion and Movement 4
Sexual Reproduction in Flowering plants 3
Human Reproduction 3
Reproductive Health 3
Principles of Inheritance and Variation 2
Molecular Basis of Inheritance 10
Evolution 1
Human Health and Disease 3
Strategies for Enhancement in Food Production 3
Microbes in Human Welfare 1
Biotechnology: Principles and Processes 6
Biotechnology and its Applications 5
Organisms and Populations 4
Ecosystem 3
Environmental Issues 1

NEET 2023 Weightage – Number Of Questions Asked 

NEET Botany 2020 Chapter-wise Weightage

Class Chapter name Number Of Questions
Class 11
Plant Physiology 9
Cell and cell cycle 6
Structural organization of plants 5
Diversity of Life 5
Class 12
Genetics 7
Ecology 7
Biology in Human welfare 2
Reproduction and sexual reproduction 2

NEET Zoology 2020 Chapter-wise Weightage

Class Chapter name Number Of Questions
Class 11
Human Physiology 12
Biomolecules 6
Animal Kingdom 5
Structural organization of animals 2
Class 12
Animal husbandry and Biotechnology 10
Human Reproduction and reproductive health 4
Evolutions theories and evidences 4
Human Health and diseases 4

NEET Biology Chapterwise Weightage – Previous years’ trends

The table provides insights into different chapters and corresponding weightage. The average number of questions given in the last column is on the basis of previous years’ trends from the year 2006 onwards up till NEET 2019. Take a look:

Name of Unit Chapter’s name Average no. of questions
Diversity in the Living World
The Living World 1
Biological Classification 3-4
Plant Kingdom 3
Animal Kingdom 3-4
Human Physiology
Digestion and Absorption 2
Breathing and Exchange of Gases 2
Body Fluids and Circulation 2
Excretory Products and their Elimination 2
Locomotion and Movement 1-2
Neural Control and Coordination 2
Chemical Coordination and Integration 3
Plant Physiology
Transport in Plants 1-2
Mineral Nutrition 1-2
Photosynthesis in Higher Plants 2
Respiration in Plants 1
Plant Growth and Development 1-2
Structural Organisation in Animals and Plants
Morphology of Flowering Plants 3-4
Anatomy of Flowering Plants 3
Structural Organisation in Animals 2
Cell Stucture and Functions
Cell : The Unit of Life 3-4
Biomolecules 2
Cell Cycle and Cell Division 2
Biology and Human Welfare
Human Health and Disease 3-4
Strategies for Enhancement in Food Production 2-3
Microbes in Human Welfare 3
Biotechnology and its Applications
Biotechnology : Principles and Processes 2-3
Biotechnology and its Applications 2
Ecology and Environment
Organisms and Populations 2
Ecosystem 2-3
Biodiversity and Conservation 2-3
Environmental Issues 3
Genetics and Evolution
Principles of Inheritance and Variation 5-6
Molecular Basis of Inheritance 4
Evolution 3
Reproduction
Reproduction in Organisms 1-2
Sexual Reproduction in Flowering Plants 3-4
Human Reproduction 3-4
Reproductive Health 2

Note: This is just an average number of questions, inferred from previous years’ trends. The number of questions is subject to vary.

Important Units for NEET Biology – Categorizing Chapters Based on Weightage

Provided below is the categorization of chapters covered in NEET syllabus as per their weightage from previous trends. Note that this categorization is subject to change each year depending upon the number of questions appearing from each chapter. The information provided below is the data taken on an average from previous years’ NEET question papers.

Most Important Chapters for NEET biology – Important units of NEET Biology

  • Biological Classification
  • Morphology of flowering plants
  • Molecular Basis of Inheritance
  • Principles of Inheritance and Variation
  • Animal Kingdom
  • Sexual Reproduction in Flowering Plants
  • Human Reproduction

Moderately Important Chapters for NEET biology – NEET Biology Moderately Important Units

  • Reproductive Health
  • Environmental Issues
  • Photosynthesis in Higher Plants
  • Breathing and Exchange of Gases
  • Plant Kingdom
  • Chemical Coordination and Integration
  • Cell- The Unit of Life
  • Organisms and Population
  • Biotechnology- Principles and Processes
  • Biotechnology and its Applications
  • Biodiversity and Conservation
  • Cell Cycle and Cell Division
  • Neural Control and Coordination
  • Anatomy of Flowering Plants
  • Digestion and Absorption
  • Biomolecules
  • Reproduction in Organisms
  • Evolution
  • Ecosystem

Less Important Chapters for NEET biology – NEET Biology Less Important Units

  • Strategies for enhancement in food production
  • Mineral Nutrition
  • Transport in Plants
  • Human Health and Disease
  • Structural Organisation in Animals
  • The Living World
  • Microbes in Human Welfare
  • Plant Growth and Development
  • Excretory Products and their Elimination
  • Locomotion and Movement
  • Body Fluids and Circulation
  • Respiration in Plants

Students must study the less important chapters as well in addition to other chapters. Just that, while preparing, prioritize the most important chapters.

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Frequently Asked Questions on NEET Biology weightage

What are some important topics in NEET Biology?

Some of the chapters in NEET biology which should not be missed at all are Human Physiology, Genetics and Evolution, Diversity from Living Organisms, Ecology, Reproduction etc.

Why must students know weightage during NEET preparation?

Students must be well versed with the NEET syllabus and the weightage of all the chapters before they start studying a chapter for each subject. This way students can prioritize chapters in accordance and know which topics to focus on the most.

3 Comments

  1. Dheeraj Sai Vallabhaneni

    Requesting to enroll 11 class program

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