Class 8 Mock Tests, Practice Questions

Mathematics

18 mock tests

540 questions

Algebra, calculus, coordinate geometry, trigonometry, probability, statistics...

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Science

13 mock tests

399 questions

General science — physics, chemistry, biology for middle school...

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Practice tests for Topics/Chapters

Sample Questions

Class 8 Science

Which of the following microorganisms is used in the production of alcohol from molasses?

A Rhizobium

B Saccharomyces

C Lactobacillus

D Azotobacter

Class 8 Science

Plastics are classified as thermoplastics and thermosets based on:

A Colour and texture

B How they respond to heat

C Density

D Electrical conductivity

Class 8 Mathematics

A book costing Rs 250 is sold at a 12% loss. The selling price is:

A Rs 210

B Rs 220

C Rs 230

D Rs 240

Class 8 Science

Which petroleum fraction is obtained by fractional distillation at the highest temperature range?

A Petroleum gas

B Kerosene

C Diesel

D Bitumen

Class 8 Science

Which petroleum fraction is used for making roads?

A Kerosene

B Diesel

C Bitumen

D Petrol

Class 8 Mathematics

A shopkeeper buys a table for Rs 1200 and sells it at a loss of 15%. What is the selling price?

A Rs 1000

B Rs 1020

C Rs 1050

D Rs 1080

Class 8 Mathematics

If the ratio of boys to girls in a class is 3:5 and there are 24 girls, then the number of boys is:

A 10

B 12

C 16

D 18

Class 8 Mathematics

The sum of all exterior angles of any polygon is:

A 90°

B 180°

C 360°

D Depends on the number of sides

About Class 8

Class 8 (CBSE/NCERT) is the final year of middle school in the Indian education system, completing the foundation stage before entering high school. As per the NCERT curriculum and CBSE board guidelines, Class 8 students build advanced skills in Mathematics, Science, Social Studies, English, and Hindi, preparing for the more rigorous challenges of Classes 9 and 10.

Subjects and Topic Coverage (NCERT/CBSE):
- Mathematics: Rational Numbers, Linear Equations in One Variable, Quadrilaterals, Understanding Quadrilaterals, Practical Geometry, Data Handling, Squares & Cubes, Square & Cube Roots, Mensuration, Algebraic Expressions & Identities, Visualising Solid Shapes, Exponents & Powers, Direct & Inverse Proportions, Factorisation, Percentage & Compound Interest, Graphs, Profit & Loss, Income & Expenditure
- Science: Crop Production & Management, Microorganisms (Friend & Foe), Synthetic Fibres & Plastics, Materials (Metals & Non-Metals), Coal & Petroleum, Combustion & Flame, Cell — Structure & Functions, Living Organisms & Their Environment, Reproduction in Animals, Reach for the Stars (Solar System), Force & Pressure, Friction, Sound, Chemical Effects of Current, Light, Natural Phenomena & Pollution
- Social Studies: History (Our Past III — Mughal & Maratha Empires, Revolt of 1857, Colonialism, Adivasis, Women, Reformers), Geography (India — Environment, Land, Water, Wildlife, Vegetation, Human Resources), Civics (Nationalism in India, Government Institutions, Judiciary, Marginalised & Committed, Understanding Tribals) & Economics (Development, Sector & Non-Farm Production)
- English: Grammar (tenses, voices, clauses), Writing (essays, articles, letters), Literature (The Thief Stories & A Pact with the Sun)

Exam Pattern:
- Total Questions: 30 (MCQ-based)
- Total Marks: 30 (1 mark per question)
- Duration: 30 minutes
- Negative Marking: None

Why Practice Class 8 Mock Tests: Class 8 is a crucial bridge between middle school and high school. NCERT-based practice ensures students master foundational concepts in Mathematics and Science, setting them up for success in board examinations from Class 9 onwards.

Frequently Asked Questions — Class 8 Mock Tests

What is Class 8?

Class 8 is a competitive examination for admission to higher education and career programs. MockTests.org provides free mock tests for Class 8 covering 2 subjects including Mathematics, Science. Each test replicates the real exam pattern, marking scheme, and difficulty level with detailed solutions and explanations. The exam duration is 30 minutes. The test includes negative marking for incorrect answers.

How many mock tests are available for Class 8?

We offer 2 subject-wise mock tests for Class 8 that simulates the complete exam experience. Each test follows the actual exam pattern and marking scheme, with 30 (MCQ-based) practice questions available across all subjects.

Is it free to take Class 8 mock tests?

Yes, all mock tests for Class 8 are completely free — no hidden charges, no premium subscriptions, no paywalls. Every test, solution, and result is free forever. You can start taking tests immediately without even creating an account.

How do I prepare for Class 8?

Start by taking a subject-wise test to assess your current level in each topic. Identify weak areas and practice with targeted tests to build confidence. Then take the full mock test under timed conditions to simulate the real exam. After each test, review every question with its step-by-step solution and explanation. If you have an account, track your score trends over time to measure improvement.

Do I need to create an account to take tests?

No, you can take tests as a guest — just click Select on any test and start immediately. However, creating a free account lets you save your test history, track progress over time, compare scores across different tests, and view detailed performance analytics for each subject.

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