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NEET Biology Syllabus 2026:Chapter-Wise Topics, Weightage & PDF Download

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Shreshtha Mishra • 4 Mins read • 14 Feb 26
NEET Biology Syllabus 2025NEET Biology Syllabus 2025

The highest scoring part of the NEET 2026 Exam is the NEET Biology syllabus, which constitutes almost half of the total marks. According to the syllabus published by the (NTA) National Testing Agency, NEET UG 2026 syllabus of Biology consists of Botany and Zoology, which will study Class 11 and 12 NCERT topics. The prominent ones are Genetics, Human Physiology, Ecology, Reproduction, and Biotechnology. Most of the questions are NCERT-based, and therefore, it is important to master diagrams, definitions, and key concepts. Good mastery of NEET Biology syllabus 2026 will guarantee the highest score in NEET.

Check NEET Biology syllabus 2026 PDF free Download


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NEET Biology Syllabus 2026: Quick Highlights

Here is the quick snapshot of NEET 2026 Biology syllabus and its pattern. Check the table below to know more about the Biology syllabus 2026.

Particulars

Details

No. of questions

90 questions (Section A + B combined)

Marks covered

360 marks

Sub parts

Botany + Zoology

Difficulty level

Moderate to NCERT-direct (memory + concept based)

Practical or Theory

Theory-based (diagram & application-based MCQs)

Important Topics

Genetics, Human Physiology, Ecology, Plant Physiology, Reproduction, Biotechnology

Best books available

NCERT Biology Class 11 & 12, NCERT Exemplar, Trueman Biology (for practice)

Time to contribute

~45–50% of total NEET preparation time

No. of revisions required

Minimum 7–10 full revisions for retention


Also Read: NEET UG 2026 Syllabus Out: NMC Confirms Updated Curriculum for Medical Aspirants


NEET Biology Syllabus Class 11 

NEET Biology syllabus is an aggregate of the class 11th Biology syllabus and the class 12th Biology syllabus. Check the table below for the NEET Biology Syllabus Class 11.

Unit Name

Detailed Topics Covered

Diversity in Living World

Characteristics of living organisms, biodiversity, taxonomy, systematics, species concept, binomial nomenclature, five-kingdom classification, Monera, Protista, Fungi, lichens, viruses, plant kingdom divisions, animal kingdom classification

Structural Organisation in Animals and Plants

Morphology of flowering plants, plant anatomy, tissues, plant families, animal tissues, frog anatomy & organ systems

Cell Structure and Function

Cell theory, prokaryotic/eukaryotic cells, organelles, biomolecules, enzymes, cell cycle, mitosis & meiosis

Plant Physiology

Photosynthesis, respiration, plant growth, development, plant hormones

Human Physiology

Respiration, circulation, excretion, locomotion, nervous system, endocrine system


Other Important Links

NEET Biology Syllabus Class 12 

NEET Biology syllabus is an aggregate of the class 11th Biology syllabus and the class 12th Biology syllabus. Check the table below for the NEET Biology Syllabus Class 12.

Unit Name

Detailed Topics Covered

Reproduction

Reproduction in plants, human reproduction, reproductive health, contraception, infertility treatments

Genetics and Evolution

Mendelian genetics, molecular genetics, DNA/RNA, inheritance patterns, evolution theories

Biology and Human Welfare

Human diseases, immunity, microbes in industry, health & hygiene

Biotechnology and Its Applications

Genetic engineering, recombinant DNA, medical & agricultural biotechnology

Ecology and Environment

Ecosystems, biodiversity, conservation, environmental issues

Also Read: Aadhaar-Based Identity Checks and Live Photo Requirement Introduced for NEET UG 2026 Applicants


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Best Books for NEET Biology 2026

Here are the recommendations for biology books for NEET Biology 2026 preparation.

Book Name

Category

Purpose

Why It’s Recommended

NCERT Biology Class 11

Mandatory Core

Complete syllabus base

80–85% questions come directly from NCERT

NCERT Biology Class 12

Mandatory Core

Advanced NEET topics

Essential for Genetics, Ecology, Biotechnology

NCERT Exemplar Biology

Practice

Higher-order MCQs

Builds conceptual application

Trueman Biology (Vol 1 & 2)

Reference

Extra MCQ practice

Good for strengthening weak chapters

Objective Biology – Dinesh

Question Bank

Topic-wise practice

Large NEET-style MCQ bank

Allen Career Institute / Aakash Institute modules

Coaching Material

Mock-level prep

Exam-pattern questions


NEET Biology Strategy Plan 

Follow a structured plan for NEET Biology, which covers revision by NCERT, notes, practice MCQs, review inorganic, and repeat PYQs for success.

Segment

Focus Area

What to Cover

Part 1

NCERT Mastery

How to read NCERT line-by-line

Part 2

Smart Notes

Diagram & keyword notes method

Part 3

MCQ Strategy

How to solve 100 questions daily

Part 4

Revision Loop

7-cycle revision technique

Part 5

PYQ Analysis

Pattern recognition from past papers

Part 6

Final 60 Days

Crash revision timetable


Also Check

NEET UG Exam 2026

NEET 2026 Application Process

NEET Exam 2026 Details

NEET 2026 PYQs

NEET 2026 Eligibility Criteria and Preparation

NEET 2026 Exam Dates

NEET 2026 Syllabus

NEET 2025 Accepting colleges


FAQs 


Ques. Is the NEET Biology syllabus 2026 based completely on NCERT?

Ans. Yes, the syllabus is fully aligned with NCERT Class 11 and 12 Biology textbooks.


Ques. How many questions come from Biology in NEET 2026?

Ans. Biology has 90 questions with 360 marks which are the highest weighted questions in the exam.


Ques. Which Biology units are most important for NEET?

Ans. High scoring units are Genetics, Human Physiology, Ecology, Reproduction and Biotechnology.


Ques. How many revisions are required for Biology?

Ans. At the very least, complete revisions (7-10) are suggested by the content-heavy memory.


Ques. Are diagrams important in NEET Biology preparation?

Ans. Yes, It is true a lot of the questions are in the form of diagrams, therefore students need to practice NCERT diagrams.