National Science Olympiad (NSO) Class-3 Sample Papers for First and Second Level Exams are given below along with the Sample Answer Sheet and Answer Key.
Contents
21st NSO 2018-19 1st Level Sample Papers for Class-3
NSO Sample Papers for first level Class-3
21st NSO 2017-18 1st Level Sample Papers for Class-3
NSO Sample Papers for Second Level Class-3
