NEET 2021 Answer Key O4 download

Introduction

NEET (National Eligibility cum Entrance Test) is India’s most important entrance exam for admission to MBBS, BDS, and other medical courses. Conducted by the National Testing Agency (NTA), NEET is taken by millions of students every year. The 2021 NEET exam followed the same pattern, with different question paper codes, including O4.

Many students who appeared for NEET 2021 or those preparing for future NEET exams often look for past question papers and answer keys. This helps them analyze the difficulty level, types of questions, and marking scheme. This blog provides a detailed guide on downloading the NEET 2021 O4 Answer Key, the question paper, and solutions.

Looking for a different code? Explore these answer keys too:

• NEET 2021 Answer Key N6

• NEET 2021 Answer Key P4

NEET 2021 O4 Answer Key PDF Download

The NEET 2021 O4 answer key is an essential resource for students who wish to check their performance. The official answer key was released by the NTA a few weeks after the exam. However, many coaching institutes like Allen, Aakash, and Resonance released their unofficial answer keys within 24 hours of the exam.

To download the NEET 2021 O4 Answer Key PDF, students had to visit the Tutelage Study, navigate to the answer key section, and select the O4 question paper code. This helped candidates calculate their expected NEET scores before the official results were out.

NEET 2021 O4 Question Paper

The NEET 2021 O4 question paper followed the NCERT syllabus and was divided into three sections:

• Physics – Included both numerical and conceptual questions.

• Chemistry – Focused on organic, inorganic, and physical chemistry.

• Biology – Dominated by NCERT-based questions from Botany and Zoology.

Students searching for the NEET 2021 O4 question paper often do so to practice for upcoming exams. Many educational platforms and coaching institutes provide PDF downloads of past question papers to help students prepare better.

NEET 2021 Question Paper O4 with Solutions

Having just the question paper is not enough—students also need detailed solutions to understand the correct approach. The NEET 2021 O4 solutions were prepared by expert faculties at leading coaching centers.

Subject-wise Analysis:

• Physics – Tricky numerical problems, some direct formula-based.

• Chemistry – Conceptual and memory-based questions from NCERT.

• Biology – High weightage from NCERT textbooks, with direct factual questions.

By using solved papers, students could evaluate their strengths and weaknesses, helping them prepare for future NEET exams efficiently.

NTA NEET Answer Key 2021 O4 - Official vs. Unofficial

The NTA released the official NEET 2021 O4 answer key on its website, but before that, coaching institutes like Aakash, Allen, and Career Point had already provided unofficial answer keys.

Key Differences:

• Official Answer Key – Released by NTA, used for final scoring.

• Unofficial Answer Key – Provided by coaching centers, available immediately after the exam but may have minor errors.

Students were able to use the unofficial answer keys to estimate their scores early and compare with the final official key.

Conclusion

The NEET 2021 O4 answer key and question paper continue to be valuable resources for future NEET aspirants. By practicing with past NEET papers, students can improve their time management, understand question patterns, and gain confidence for the actual exam.