Science · Class 8

SOF ISO (formerly NSO) Class 8 — Syllabus & Sample Questions

Preparing for the SOF ISO (formerly NSO) in Class 8? This guide covers the Class 8 syllabus scope and two illustrative sample questions with worked explanations, written by Tutors Parliament to help you get started — not official SOF material.

Class 8 ISO Syllabus

Broadly aligned with CBSE, ICSE/ISC and major state board syllabi for Class 8, plus ISO's logical-reasoning and application-based questions.

Crop Production & Management
Microorganisms
Coal & Petroleum, Combustion
Cell — Structure & Function
Force & Pressure
Sound, Light & Chemical Effects of Current

Sample Questions

Two illustrative practice questions written by Tutors Parliament for Class 8 ISO — not official SOF questions. Tap a question to reveal the answer and explanation.

Question 1

Which cell organelle is known as the 'powerhouse of the cell'?

Show Answer▾

A. Nucleus
B. Mitochondria ✓
C. Ribosome
D. Golgi body

Explanation: Mitochondria generate energy (ATP) for the cell, earning them the nickname 'powerhouse of the cell'.

Question 2

Which gas is essential for combustion (burning)?

Show Answer▾

A. Nitrogen
B. Oxygen ✓
C. Carbon dioxide
D. Hydrogen

Explanation: Combustion requires oxygen to react with a fuel and release heat and light.

Preparation Strategy for Class 8

Revise NCERT/board Science topics for the current class thoroughly before attempting Olympiad-level questions
Build a habit of connecting classroom concepts to everyday observations
Practice simple science-reasoning questions that combine two related concepts
Use diagrams and labelled illustrations to reinforce topics like the human body or plant parts

Frequently Asked Questions

What topics are covered in ISO for Class 8?

Class 8 ISO broadly follows that class's school syllabus for the subject, with added logical-reasoning and application-based questions. See the syllabus list on this page for the specific topics it covers.

Are the sample questions on this page official SOF questions?

No. These are original practice questions written by Tutors Parliament to illustrate the style and difficulty level of Class 8 ISO, not official SOF material. Refer to SOF's own sample papers for official practice content.

How can Tutors Parliament help with Class 8 ISO preparation?

A tutor can identify which topics from the Class 8 syllabus need the most attention and build focused practice around them, rather than generic revision.

More for ISO

ISO Overview & Exam Dates All Class 8 Olympiads

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