

The National Standard Examination (NSE) 2025, organised by the Indian Association of Physics Teachers (IAPT), stands as one of the most prestigious science olympiad qualifiers in India. Every year, lakhs of students appear for NSEA, NSEP, NSEC, NSEB, and NSEJS, hoping to progress to the Indian National Olympiad (INO) stage.
With the 2025–26 cycle being conducted in November, students eagerly search for the NSE question paper, answer key, and solutions to review their performance and estimate expected marks.
Here you will get everything you need — official answer key release details, PDF download links, difficulty level, and solution insights for all NSE subjects.
The official NSE answer key PDF for all subjects will be released on the IAPT website a few days after the examination. And in the table below, we have shared the Unofficial Answer Key released by PW Faculty.
| NSE 2025 Answer Key PDF |
| NSEA 2025 Answer Key |
| NSEC 2025 Answer Key |
| NSEB 2025 Answer Key |
| NSEP 2025 Answer Key |
| NSEJS 2025 Answer Key |
Visit the official website: iapt.org.in
Click “NSE 2025 Answer Keys & Solutions”
Select your exam category:
NSEA
NSEP
NSEC
NSEB
NSEJS
Download the PDF for answer key + marking scheme
| Exam Name | Exam Date | Question Paper |
| NSEA | 22 Nov 2025 | NSEA 2025 Question Paper |
| NSEP | 23 Nov 2025 | NSEP 2025 Question Paper |
| NSEC | 23 Nov 2025 | NSEC 2025 Question Paper |
| NSEB | 23 Nov 2025 | NSEB 2025 Question Paper |
| NSEJS | 23 Nov 2025 | NSEJS 2025 Question Paper |
You can access NSE question papers in two ways:
Go to iapt.org.in
Select NSE 2025–26
Choose the subject category
Download the question paper PDF
Detailed NSE solutions help students:
Understand concepts behind tough questions
Learn alternative solving methods
Evaluate errors
Improve strategy for INO, OCSC, and international olympiads
| NSE 2025 Solution PDF |
| NSEA 2025 Solution |
| NSEC 2025 Solution |
| NSEB 2025 Solution |
| NSEP 2025 Solution |
| NSEJS 2025 Solution |
NSE Cutoffs depend on:
Paper difficulty
Candidate performance
MAS (Minimum Admissible Score)
MIS (Merit Index Score)
IAPT will announce official cutoffs after evaluation.
NSE (Stage 1)
INO (Indian National Olympiad)
OCSC Training Camp
Pre-Departure Camp
International Olympiad Representation
Students should continue reviewing concepts while waiting for results.