NSOClass 8NEW

NSO Grade 8 — September 2026 Mock Exam

A full-length NSO mock test for Class 8 with 50 questions in 60 minutes, set on the SOF NSO pattern. Take it online under real exam timing and get your score and all-India rank the moment you submit.

Exam pattern

Section	Questions
Science	35
Logical Reasoning	10
Achievers Section	5
Total (60 minutes)	50

Sample questions from this exam

A preview of 3 of the 50 questions. Answers are revealed when you take the exam.

Sample 1, Science
Scurvy is caused due to the deficiency of which vitamin?
- A
  Vitamin A
- B
  Vitamin B1
- C
  Vitamin C
- D
  Vitamin D
Sample 2, Logical Reasoning
During the electrolysis of an aqueous solution of copper sulphate using copper electrodes, what chemical changes occur at the anode and cathode?
- A
  Copper deposits at the anode; oxygen gas evolves at the cathode.
- B
  Copper dissolves from the anode; copper deposits at the cathode.
- C
  Hydrogen gas evolves at the anode; copper deposits at the cathode.
- D
  Copper deposits at the anode; copper dissolves from the cathode.
Sample 3, Achievers Section
A dry plastic comb is rubbed vigorously against dry hair and then brought near small pieces of paper. It attracts them. If the comb is instead rubbed with a wet cloth and brought near the paper pieces, why does it fail to attract them?
- A
  Water destroys the magnetic properties of the plastic comb.
- B
  Water acts as a conductor, discharging any static charge generated on the comb into the surroundings.
- C
  The wet cloth prevents friction from occurring due to lubrication.
- D
  Water changes the chemical structure of the plastic, making it a non-dielectric material.

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What the NSO Class 8 paper covers

PhysicsChemistryBiologyEnvironmental ScienceLogical ReasoningScientific Reasoning

Frequently asked

How long is the NSO Grade 8 — September 2026 Mock Exam?

50 questions in 60 minutes, for Class 8, following the SOF NSO (National Science Olympiad) pattern.

Is there negative marking?

No. Each correct answer earns marks and wrong answers cost nothing, just like the SOF Level 1 exams.

How do I take this mock exam?

Create a free account. Every new account gets 1 free exam credit, which is enough to take this full exam. After that, each full exam uses 1 credit, and credit packs are on the pricing page.

Do I get a score, rank and solutions?

Yes. Your score is calculated the moment you submit, with your rank and percentile among OlympiadCloud students who took this exam, and detailed solutions for every question.

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Ready for the real thing?

Sit the full NSO Grade 8 — September 2026 Mock Exam under exam conditions and see exactly where you stand.

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