NSEJS 2025 question paper, solutions & analysis.
Attempt the complete NSEJS 2025 question paper, check every answer with step-by-step solutions, and use the chapter-wise concept map to decide what to revise next.
Open the NSEJS 2025 paper, solutions and analysis.
Each resource opens as a separate PDF in a new browser tab, so you can keep this guide open while attempting and reviewing the paper.
NSEJS 2025 question paper
A clean student practice copy of Paper Code 51, with all 60 questions and a rough-work page.
- 14-page PDF
- Sections A-1 and A-2
- Designed for timed practice
Detailed solutions
Check the final answer key, then study the central idea, calculation or reasoning for every question.
- 19-page PDF
- Answers for Questions 1-60
- Every A-2 option examined
Chapter & concept analysis
See the main chapter, technical idea, question skill and revision target behind each question.
- 19-page PDF
- Biology, Chemistry and Physics
- Includes an error-review sheet
Practice resources prepared by Mathiit
Know the format before you start.
Use a 120-minute timer and attempt the paper in one sitting. Treat the two sections differently: Section A-2 requires you to judge every option independently.
Turn one paper into four study sessions.
Simulate the exam
Use 120 minutes, no notes and one final answer sheet.
Score carefully
Use the final key and separate single-correct from multiple-correct items.
Read the solutions
For every miss, identify the idea or calculation that changed the answer.
Use the analysis
Record the weak chapter, revise it and reattempt the question after seven days.
NSEJS 2025 paper FAQs.
How many questions are in the NSEJS 2025 paper?
Paper Code 51 contains 60 questions: 48 single-correct questions in Section A-1 and 12 multiple-correct questions in Section A-2.
What are the marks and duration?
The paper lists 216 maximum marks and a duration of 120 minutes.
Are detailed solutions included?
Yes. The solution booklet contains the final answer key and worked reasoning for Questions 1-60.
Is a chapter-wise analysis available?
Yes. The analysis maps every question to its subject, chapter, key concept and skill to revise.
How are Biology, Chemistry and Physics distributed in the NSEJS 2025 paper?
Paper Code 51 has 20 Biology, 20 Chemistry and 20 Physics questions, so all three subjects carry equal question weight.
What is the difference between Section A-1 and Section A-2?
Section A-1 contains Questions 1-48 with one correct option. Section A-2 contains Questions 49-60 with one or more correct options; every option should be checked independently.
Is there negative marking in the NSEJS 2025 paper?
Yes. Section A-1 awards +3 for a correct choice and applies a -1 penalty for an incorrect choice. Section A-2 gives credit only when all correct options and no incorrect option are marked.
Were any questions dropped from the NSEJS 2025 final key?
No. The supplied final key and solution set treat Questions 1-60 as scored.
How should I use the NSEJS 2025 paper as a timed mock?
Attempt all 60 questions in one 120-minute sitting without notes. Then check the answer key, read the solutions, classify each mistake and revise the weakest chapters before reattempting.
Can Class 7, 8 and 9 students use this paper analysis?
Yes. Class 7 students can build vocabulary and diagram skills, Class 8 students can connect concepts and practise short calculations, and Class 9 students can use the full paper for timed Olympiad preparation.
Continue with another NSEJS paper.
Return to the year-wise archive when you are ready for the next timed attempt.
NSEJS.com is not the official IAPT examination website. The latest official notice always takes priority.