NSO Answer Key 2022-2023 for Class 1 to 12 All Sets A, B, and C—Science Olympiad Foundation (SOF) will release the solutions to the NSO Answer Sheet 2022-2023 in pdf format in online mode at their official website, sof.org.in. Students can download the NSO answer keys for 2023 from the links provided below and check their probable scores by calculating the score. Many coaching institutes also release the NSO 2023 Solutions for SET A, B, and C right after the commencement of the examination.
The NSO Answer Sheet 2023 comprises the correct answers to each question that was asked in the exam. Students can calculate the expected marks obtained in the SOF National Science Olympiad exam. The National Science Olympiad 2022 (level 1) will be held on December 19 and 20, 2023, and January 9, 10, 30, and 31, 2023, according to the schedule. Read the article for more information and instructions on how to obtain the SOF NSO 2023 Solutions.
NSO Answer Key 2022-2023 for Set A, B, C Solutions Pdf
The National Science Olympiad (NSO) is an annual scholarship exam that aims to cultivate scientific reasoning and logical ability among school-going children. Every year, approximately ten lakh students register for NSO. It is conducted at two levels, and each level has three sets, namely A, B, and C. Students must keep a note of the dates on the NSO 2023 answer key so that they do not skip any important events. Check out the SOF NSO answer key dates of 2022-2023 and the results below.
SOF – National Science Olympiad (NSO) Answer keys 2023 – Overview
Exam Conducting Body | Science Olympiad Foundation (SOF) |
Exam Name | National Science Olympiad (NSO) 2022-2023 |
Category | Answer Sheet |
Frequency of Exam Conduction | Once in an Academic Year |
Nationality | Indian |
Eligibility | Class 1 -12th |
Exam Duration | One hour |
NSO Examination Date | Set-A 19th & 20th Dec, Set-B 9th & 10th Jan & Set-C 30th & 31st Jan |
Mode of Exam Conduction | Online |
NSO Solutions Link | NSO Answer Sheet 2022-2023 – Set ‘A’, Set ‘B‘, Set ‘C’ |
Official Website | sofworld.org/nso |

NSO 2022 Exam Important Dates
Event | Dates |
NSO 2022 Exam (Level 1) Set A | December 19 and 20, 2023 |
NSO Answer Key 2022 for Level 1 (Set A) | First week of January 2023 |
NSO 2022 Exam (Level 1) Set B | January 9 and 10, 2023 |
NSO 2022 Answer Key for Level 1 (Set B) | Third week of January 2023 |
NSO 2022 Exam (Level 1) Set C | January 30 and 31, 2023 |
Answer Key for Level 1 (Set C) | Second week of February 2023 |
NSO 2022 Result Date for Level 1 | Last week of February 2023 |
NSO 2022Result Date for Level 2 | March 2023 |
NSO Answer Key 2022 for Level 2 | March 2023 |
NSO Result Date for Level 2 | March 2023 |
NSO Level 1 Exam – Set A Answer Key 2023
Class | Download Link | Previous year Set A Answer Key |
Class 1 | View/Download | View/Download |
Class 2 | View/Download | View/Download |
Class 3 | View/Download | View/Download |
Class 4 | View/Download | View/Download |
Class 5 | View/Download | View/Download |
Class 6 | View/Download | View/Download |
Class 7 | View/Download | View/Download |
Class 8 | View/Download | View/Download |
Class 9 | View/Download | View/Download |
Class 10 | View/Download | View/Download |
Class 11 | View/Download | View/Download |
Class 12 | View/Download | View/Download |
NSO Level 1 Exam – Set B Answer Sheet 2023
Class | Download Link | Previous year Set B Answer Key |
Class 1 | View/Download | View/Download |
Class 2 | View/Download | View/Download |
Class 3 | View/Download | View/Download |
Class 4 | View/Download | View/Download |
Class 5 | View/Download | View/Download |
Class 6 | View/Download | View/Download |
Class 7 | View/Download | View/Download |
Class 8 | View/Download | View/Download |
Class 9 | View/Download | View/Download |
Class 10 | View/Download | View/Download |
Class 11 | View/Download | View/Download |
Class 12 | View/Download | View/Download |
NSO Level 1 – Set C Solutions
Class | Download Link | Previous year Set C Answer Key |
Class 1 | View/Download | View/Download |
Class 2 | View/Download | View/Download |
Class 3 | View/Download | View/Download |
Class 4 | View/Download | View/Download |
Class 5 | View/Download | View/Download |
Class 6 | View/Download | View/Download |
Class 7 | View/Download | View/Download |
Class 8 | View/Download | View/Download |
Class 9 | View/Download | View/Download |
Class 10 | View/Download | View/Download |
Class 11 | View/Download | View/Download |
Class 12 | View/Download | View/Download |
How to Calculate Scores using NSO Answer Key 2023
Students have to follow the given marking scheme to calculate scores with the NSO 2022–2023 Answers Sheet.
- Add relevant marks for each correct answer.
- There will be no negative deduction.
- Sum of the marks given to each question after checking all the sections will be your total score for the respective test.
SOF – NSO 2022-2023 Marking Scheme

SOF NSO Exam Result 2022-2023
Usually, the Science Olympiad Foundation will release Class 1–12 NSO Exam results in 2023 after a month of examination commencement. All SOF 2023 results for level 1 will be announced in January or February 2023. Generally, the authority announces SOF exam results for 2022–2023 within 6–8 weeks after the exam. Students will be able to access SOF results for 2022–2023 on their official website, sofworld.org. To check, they must enter their roll number. The authority will also send SOF NSO results in 2023 to the schools along with a participation certificate and a Student Performance Report (SPR). After the SOF NSO results 2022-2023 announcement, awards and prizes will be sent to the students’ schools, based on their rank.
Other SOF & NSO Olympiad Exam Related Links
- Science Olympiad Foundation (SOF)
- National Science Olympiad (NSO) Exam 2023 Registration, Important Dates
FAQs on NSO Answer Sheet 2023
When is the NSO answer key will be declared?
SOF will declare the NSO level 2 result after answer keys are released. Generally, the level 2 results are declared within 6 to 8 weeks after the exams for all sets are over. The tentative date for NSO Level 2 Result 2023 is March 2023.
Is there negative marking in NSO?
The questions will be of objective type in nature with multiple choice answers. There is no negative marking.
What Is Set A and Set B in Olympiad?
Set A and Set B in SOF Olympiad is just a set of question papers you know which we solve during the exam.
How many levels are there in NSO Olympiad?
National Science Olympiad (NSO) is conducted on two levels each year
How to Download NSO Answer Sheet 2022-2023 Pdf at – sofworld.org/nso
Students can follow the steps below, to view and download the NSO 2022 Level 1 Exam answer keys from the official website of the National Science Olympiad (NSO) of sofworld.org/nso
- Step 1: Click on the class-wise link given in the table above.
- Step 2: The NSO answer key 2022-2023 will appear on your screen.
- Step 3: Now click on the download button.
- Step 4: The answer keys Pdf will be downloaded in the pdf format
- Step 5: Carefully start checking the answers and calculate your scores/marks.
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