NSOClass 4NEW

NSO Grade 4 — September 2026 Mock Exam

A full-length NSO mock test for Class 4 with 35 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

SectionQuestions
Science25
Logical Reasoning5
Achievers Section5
Total (60 minutes)35

Sample questions from this exam

A preview of 3 of the 35 questions. Answers are revealed when you take the exam.

  1. Sample 1, Science

    Which of the following is a non-living thing that can move on its own when energy is supplied to it?
    • A
      A car
    • B
      A rose plant
    • C
      A earthworm
    • D
      A stone
  2. Sample 2, Logical Reasoning

    Which of the following is a non-luminous object?
    • A
      The Sun
    • B
      A glowing bulb
    • C
      The Moon
    • D
      A lit candle
  3. Sample 3, Achievers Section

    Which organ in the human body pumps blood to all other parts?
    • A
      Lungs
    • B
      Brain
    • C
      Stomach
    • D
      Heart

See the answers and take all 35 questions under real exam timing.

Create free account & start →

Your first full exam is free. Already registered? Sign in

What the NSO Class 4 paper covers

PhysicsChemistryBiologyEnvironmental ScienceLogical ReasoningScientific Reasoning

Frequently asked

How long is the NSO Grade 4 — September 2026 Mock Exam?

35 questions in 60 minutes, for Class 4, 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.

Ready for the real thing?

Sit the full NSO Grade 4 — September 2026 Mock Exam under exam conditions and see exactly where you stand.

Create free account & start →

Your first full exam is free. Already registered? Sign in