NSO Answer Key 2020-21 Class 10 – Set A, B, C

NSO Official Answer Key 2020 for class 10 will be available here or you can check the answer key as per schedule at the official website of SOF. Students can match their answers with the NSO answer keys in order to predict marks, and analyse their performance until results are announced. For more details regarding NSO Answer Key 2020, scroll down the page.

23rd NSO Answer Keys – Class 10

The National Science Olympiad, or NSO 2020-21 (2nd Level), will be held on February 02, 03, 2021. NSO Answer Key 2020-21 Class 10 releases online at the official website of SOF, sofworld.org. The 23rd National Science Olympiad (NSO) 2020 – 2021, direct link will be available for check the answer key after the successful completion of NSO Exam 2020-21.

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22nd NSO Answer Keys – Class 10

The National Science Olympiad, or NSO 2019, has been successfully conducted on both its scheduled dates, November 11 and 21, 2019.  

SET A

SET B

Set C

21st National Science Olympiad (NSO) Answer key for Class 10

NSO Level 1 Exam Answer Key 2018

21st NSO Level 1 Exam was conducted on 01 Nov 2018, 15 Nov 2018 and 27 Nov 2018. The official Answer key is available. Check below 21st NSO 2018 Answer key here.

21st NSO Answer Keys for Level 1 – Set A Exam are given below. 

21st NSO Answer Keys for Level 1 – Set B Exam are given below. 

21st NSO Answer Keys for Level 1 – Set C Exam are given below. 

NSO Level 1 Exam Answer Key 2017

20th NSO Exam for Level 1 was conducted on 09 Nov 2017 and 23 Nov 2017. Answer Key for the same has been published here.

20th NSO Answer Keys for Level 1 – Set A Exam are given below. 

20th NSO Answer Keys for Level 1 – Set B Exam are given below. 

19th National Science Olympiad (NSO) Answer key for Class 10

NSO Level 1 Exam Answer Key 2016

19th NSO Exam for Level 1 was conducted on 15 Nov 2016 and 24 Nov 2016. Answer Key for the same are published here.

19th NSO Answer Keys for Level 1 – Set A Exam are given below. 

19th NSO Answer Keys for Level 1 – Set B Exam are given below. 

18th National Science Olympiad (NSO) Answer key for Class 10

NSO Level 1 Exam Answer Key 2015

18th NSO Answer Keys for Level 1 – Set A Exam are given below. 

18th NSO Answer Keys for Level 1 – Set B Exam are given below.

18th NSO Answer Keys for Level 1 – Set C Exam are given below.

NSO Answer Keys Syllabus Sample Papers Question Papers NSO Mock Tests