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1800-102-2727The National Standard Examination (NSE) is a prestigious series of examinations conducted by the Indian Association of Physics Teachers (IAPT) as part of the International Science Olympiads 2025-26. These examinations serve as the first stage for selecting students to represent India at the international level in various science subjects. For students aspiring to showcase their academic prowess in science, NSE is a golden opportunity.
This article covers NSE 2025-26 registration process, exam schedule, eligibility criteria, and other essential information to help you prepare and apply with confidence.
The National Standard Examination is conducted across five major science subjects:
NSEJS (Junior Science)
NSEB (Biology)
NSEC (Chemistry)
NSEP (Physics)
NSEA (Astronomy)
These exams are the first stage in India’s selection process for international Olympiads like IBO, IChO, IPhO, IOAA, and IJSO.
NSEA, NSEJS, NSEP, NSEC & NSEB 2025 Question Paper, Answer Keys & Solutions by Aakash |
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| S.No. | Exam Name | Date of Exam | Answer Key & Solutions | |
|---|---|---|---|---|
| 1 | National Standard Examination in Astronomy (NSEA) | 22nd Nov 2025 | Download Now NSEA Answer Key & Solutions 2025 | |
| 2 | National Standard Examination in Junior Science (NSEJS) | 23th Nov 2025 | Download Now NSEJS Answer Key & Solutions 2025 | |
| 3 | National Standard Examination in Physics (NSEP) | 23th Nov 2025 | Download Now NSEP Answer Key & Solutions 2025 | |
| 4 | National Standard Examination in Chemistry (NSEC) | 23th Nov 2025 | Download Now NSEC Answer Key & Solutions 2025 | |
| 5 | National Standard Examination in Biology (NSEB) | 23th Nov 2025 | Download Now NSEB Answer Key & Solutions 2025 | |
Here’s a quick glance at the official exam schedule for the NSE 2025-26 cycle:
| Exam Name | Subject | Date | Time |
|---|---|---|---|
| NSEA | Astronomy | 22 Nov 2025 (Saturday) | 2:30 PM – 4:30 PM |
| NSEP | Physics | 23 Nov 2025 (Sunday) | 8:30 AM – 10:30 AM |
| NSEC | Chemistry | 23 Nov 2025 (Sunday) | 11:30 AM – 1:30 PM |
| NSEB | Biology | 23 Nov 2025 (Sunday) | 2:30 PM – 4:30 PM |
| NSEJS | Junior Science | 23 Nov 2025 (Sunday) | 2:30 PM – 4:30 PM |
Who can register: Recognized schools (Secondary, Sr. Secondary, High School, Jr College, College/University)
Registration Dates: 1st August – 20th August 2025
Website: www.iapt.org.in
Mode: Through registered school centre OR individually via IAPT website
Enrolment Window: 21st August – 14th September 2025
Students must be in Class 10, 11, or 12 as of 30th Nov 2025
Date of Birth: Between 1st July 2006 to 30th June 2011 (inclusive)
Syllabus: Up to Class 12 CBSE (India) standard
Students must be in Class 8, 9, or 10 as of 30th Nov 2025
Date of Birth: Between 1st Jan 2011 to 31st Dec 2012
Syllabus: Physics, Chemistry, Biology up to Class 10 CBSE
Acts as the first step to qualify for Indian National Olympiad (INO) stage
Opportunity to attend the Orientation-cum-Selection Camp (OCSC)
Potential to represent India at international science Olympiads
Gain recognition from reputed institutions and scholarships
Official Website for Registration & Updates: https://www.iapt.org.in
NSEJS, NSEP, NSEC, NSEB, NSEA syllabus and guidelines will be published on the same portal.
For further inquiries or assistance regarding the NSE, students and schools can reach out via:
The NSE 2025-26 examination cycle offers a unique chance for science-enthusiast students to test their knowledge and earn a path to international recognition. Whether it’s Physics, Chemistry, Biology, Astronomy, or Junior Science, the competition is intense, but the rewards are immense. Ensure you check eligibility, mark registration deadlines, and start preparing today!
1. What is NSE and which subjects does it cover?
Answer: NSE (National Standard Examination) is the first stage of the Indian Science Olympiad Programme conducted by IAPT. It covers five subjects:
NSEJS (Junior Science)
NSEP (Physics)
NSEC (Chemistry)
NSEB (Biology)
NSEA (Astronomy)
2. Who is eligible to appear for NSE 2025-26?
Answer: Eligibility varies by subject:
For NSEP, NSEC, NSEB, NSEA: Students of Class 10, 11, or 12 as of 30th Nov 2025, born between 1st July 2006 and 30th June 2011.
For NSEJS: Students of Class 8, 9, or 10 as of 30th Nov 2025, born between 1st Jan 2011 and 31st Dec 2012.
3. When will the NSE 2025-26 exams be conducted?
Answer: The exams will be held on the following dates:
NSEA: 22nd November 2025 (Saturday) | 2:30 PM – 4:30 PM
NSEP, NSEC, NSEB, NSEJS: 23rd November 2025 (Sunday) | Time slots vary
4. How can I register for NSE 2025-26?
Answer: You can register either through a recognized school or college (centre registration) or as an individual candidate via the official website: https://www.iapt.org.in.
5. What are the registration dates for NSE 2025-26?
Answer:
Centre Registration: 1st August – 20th August 2025
Student Enrolment: 21st August – 14th September 2025
6. What is the syllabus for NSE 2025-26 exams?
Answer:
For NSEP, NSEC, NSEB, NSEA: Up to Class 12 CBSE level
For NSEJS: Up to Class 10 CBSE level in Physics, Chemistry, and Biology
7. Can students from schools abroad appear for NSE?
Answer: No. Only students studying in Indian schools and residing in India as per the eligibility date range are allowed to participate.
8. What is the significance of clearing the NSE exam?
Answer: Clearing NSE makes you eligible for the second stage – Indian National Olympiad (INO). From there, selected students move on to Orientation Camps and may represent India in International Olympiads like IPhO, IChO, IBO, IOAA, and IJSO.
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