SOF NSO Answer Key 2025: The Science Olympiad Foundation (SOF) released SOF NSO Answer Key 2025 for all the sets on the official NSO website for Stage 1 in December 2025. Students must check the answer keys and calculate their expected scores. Students who get the minimum qualifying marks will be eligible to appear for NSO 2025-26 exam level 2. NSO 2025-26 answer key for level 2 will be released within 2 weeks after the exam. Once releases, we will provide direct link for the NSO SOF Answer Key 2025 here.
NSO is an annual scholarship exam that aims at cultivating scientific reasoning and logical ability among school students. Every year, around 10 lakh students register for NSO. It is conducted at two levels. NSO level 1 result 2025 will be released in January 2026.
- NSO Answer Key 2025: Related Dates
- NSO 2025 Exam Dates & Schedule
- NSO Answer Key 2025: Steps to Download
- How to Calculate Scores with NSO Answer Key 2025?
- NSO 2025 Marking Scheme
NSO Answer Key 2025: Related Dates
NSO 2025 Exam Dates & Schedule
Take a look at the table below for the complete schedule of NSO 2025 exam
| Dates | Past Exam Dates |
|---|---|
| 11 Dec ' 25 | NSO Level 1 Exam 2025 - Date 3 |
| 27 Nov ' 25 | NSO Level 1 Exam 2025 - Date 2 |
| 13 Nov ' 25 | NSO Level 1 Exam 2025 - Date 1 |
NSO Answer Key 2025: Steps to Download
How to Calculate Scores with NSO Answer Key 2025?
NSO 2025 Marking Scheme
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