Answer Keys NLSO

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NLSO 2025 Answer Keys | ScienceX Olympiads

NLSO 2025 – Answer Keys

National Level Science Olympiad | ScienceX Olympiads

Important Notice:
These answer keys are provisional. Students and schools may submit objections through the official ScienceX Helpdesk within the stipulated timeline, up to 8:00 PM. on 12-01-2026. The final results will be declared on 13-01-2026.

Science Olympiad (SO) Level 1

Classes 4 & 5Download Answer Key

Science Olympiad (SO) Level 2

Classes 6 to 8Download Answer Key

Science Olympiad (SO) Level 3

Classes 9 & 10Download Answer Key

Mathematics Olympiad (MO) Level 1

Classes 4 & 5Download Answer Key

Mathematics Olympiad (MO) Level 2

Classes 6 to 8Download Answer Key

Mathematics Olympiad (MO) Level 3

Classes 9 & 10Download Answer Key

Mathematics Olympiad (MO) Level 4

Classes 11 & 12Download Answer Key

ScienceX Biology Olympiad (SBO)

Classes 11 & 12Download Answer Key

ScienceX Chemistry Olympiad (SCO)

Classes 11 & 12Download Answer Key

ScienceX Physics Olympiad (SPO)

Classes 11 & 12Download Answer Key

Science Olympiad (SO) Level 1

Classes 4 & 5Download Answer Key

Science Olympiad (SO) Level 2

Classes 6 to 8Download Answer Key

Science Olympiad (SO) Level 3

Classes 9 & 10Download Answer Key

Mathematics Olympiad (MO) Level 1

Classes 4 & 5Download Answer Key

Mathematics Olympiad (MO) Level 2

Classes 6 to 8Download Answer Key

Mathematics Olympiad (MO) Level 3

Classes 9 & 10Download Answer Key

Mathematics Olympiad (MO) Level 4

Classes 11 & 12Download Answer Key

ScienceX Biology Olympiad (SBO)

Classes 11 & 12Download Answer Key

ScienceX Chemistry Olympiad (SCO)

Classes 11 & 12Download Answer Key

ScienceX Physics Olympiad (SPO)

Classes 11 & 12Download Answer Key

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