NEET Biology Previous Year Question Paper PDF Free Download

Biology carries 50% of the total marks in the NEET exam, making it the most important subject for securing a strong overall score. If your Biology preparation is solid, managing the NEET exam becomes significantly easier.

Most Indian students and U.S.-based NRI aspirants complete the syllabus, read NCERT textbooks, practice sample papers, and refer to multiple study resources. However, one of the most critical and often overlooked steps is practicing previous years’ NEET Biology question papers.

Solving NEET Biology PYQs helps students understand the real exam pattern, NCERT-based questions, and key topics. Download NEET previous years’ papers below to strengthen your Biology preparation with confidence.

NEET Biology Previous Year-Wise Question Paper Code With PDF

In the NEET exam, there is not a single question paper. Each year, NEET is conducted with multiple paper codes. Below, you will find the last 10 years’ NEET Biology question paper codes, which you can download to practice all variations and strengthen your Biology preparation.

NEET Biology Previous Year Question Paper 2025

NEET Biology Previous Year Question Paper 2024

NEET Biology Previous Year Question Paper 2023

NEET Biology Previous Year Question Paper 2022

NEET Biology Previous Year Question Paper 2021

NEET Biology Previous Year Question Paper 2020

NEET Biology Previous Year Question Paper 2019

NEET Biology Previous Year Question Paper 2018

NEET Biology Previous Year Question Paper 2017

NEET Biology Previous Year Question Paper 2016

NEET Biology Previous Year Question Paper 2015

Importance of NEET Biology Previous Year Question Papers

NEET Biology contributes 50% of the total score (360/720), making it decisive for rank improvement. For India-based and U.S.-based NRI aspirants, Biology PYQs reveal the true NEET pattern, aligning NCERT-based preparation with NTA’s actual question-setting and boosting exam readiness confidence.

1. Understanding the real NEET exam pattern:- PYQs reveal the true distribution of questions, difficulty level, and section balance, which third-party mock tests often fail to replicate accurately.
   
2. Identifying frequently asked Biology chapters:- Year-wise analysis highlights high-weightage units such as Human Physiology, Genetics & Evolution, Ecology, Cell Biology, and Plant Physiology.
   
3. Mastering NCERT line-based questions:- A significant number of Biology questions are directly lifted or slightly paraphrased from NCERT lines, tables, diagrams, and examples, which becomes evident only through PYQ practice.
   
4. Improving accuracy and reducing negative marking:- Repeated exposure to PYQs trains students to recognize familiar question patterns, reducing guesswork and minimizing negative marks.
   
5. Developing exam-ready thinking and speed:- Solving actual NEET Biology questions improves time management and helps students practice selecting answers under real exam pressure.
   
6. Building confidence with real NEET-level questions:- PYQs eliminate surprises on exam day by familiarizing students with the exact question style used by NTA, boosting confidence and mental readiness.

Frequently Asked Questions

1. Why are NEET Biology PYQs important for rank improvement?
Biology carries 50% weightage. PYQs reveal real exam patterns, NCERT focus areas, and repeated topics, helping students maximize accuracy and overall NEET rank.

2. Are NEET Biology questions fully based on NCERT?
Yes. Most questions are directly or indirectly taken from NCERT lines, diagrams, tables, and examples from Class 11 and 12 Biology textbooks.

3. How many years of NEET Biology PYQs should students practice?
At least the last 10 years. This helps identify recurring chapters, evolving difficulty trends, and NTA’s consistent question-setting approach.

4. Do different NEET paper codes have different Biology questions?
Yes. Each year has multiple paper codes with shuffled questions. Practicing all codes ensures complete exposure to every question variation.

5. Which Biology chapters are most frequently asked in NEET?
Human Physiology, Genetics & Evolution, Cell Biology, Plant Physiology, Ecology, and Biomolecules consistently carry the highest number of questions.

6. Are Biology PYQs enough for NEET preparation?
PYQs are essential but must be combined with multiple NCERT revisions and concept clarity for best results and high accuracy.

7. How do Biology PYQs help reduce negative marking?
They train students to recognize familiar question patterns and avoid traps, reducing guesswork and improving answer precision.

8. How many times should Biology PYQs be revised?
At least 2–3 full revisions. Toppers often re-solve PYQs alongside NCERT during final months for retention and confidence.

9. Is Biology easier than Physics and Chemistry in NEET?
Yes. Biology is factual and NCERT-driven, making it more predictable and scoring with disciplined reading and repeated practice.10. Can strong Biology performance compensate for weak Physics?
Yes. High Biology accuracy can significantly boost total score and rank, especially when Physics is challenging for many students.