CBSE Class 8 Science MCQs with Answers 2026-27 Chapter wise

Class 10 CBSE Results 2026 - 690+ Students Scored Above 90%
CBSE Class 8 Science MCQs with Answers 2026-27 Chapter wise

CBSE Class 8 MCQ Science: Science is one of the most interesting subjects in Class 8 because it helps students understand the world around them. From learning about plants and animals to studying light, sound, force, and the solar system, every chapter introduces important concepts that build a strong foundation for higher classes.

One of the best ways to prepare for school exams is by practicing CBSE Class 8 MCQ Science questions regularly. Multiple Choice Questions (MCQs) help students revise important topics quickly, improve accuracy, and identify weak areas. Since many school tests now include objective-type questions, practicing MCQ Science Class 8 questions has become an essential part of exam preparation.

This CBSE Class 8 MCQs provides science chapter-wise guidance, important questions, preparation tips, and Class 8 MCQ Science with answers to help students score better marks in their examinations.

CBSE Class 8 Science Chapters wise MCQs

The NCERT Class 8 Science syllabus includes several important chapters. Students should practice objective questions from every chapter.

S.No.Chapter Name & Topic
1Chapter 1 - Exploring the Investigative World of Science 
2Chapter 2 - The Invisible Living World: Beyond Our Naked Eye 
3Chapter 3 - Health: The Ultimate Treasure 
4Chapter 4 - Electricity: Magnetic and Heating Effects 
5Chapter 5 - Exploring Forces 
6Chapter 6 - Pressure, Winds, Storms, and Cyclones 
7Chapter 7 - Particulate Nature of Matter 
8Chapter 8 - Nature of Matter : Elements, Compounds, and Mixtures 
9Chapter 9 - The Amazing World of Solutes, Solvents, and Solutions 
10Chapter 10 - Light: Mirrors and Lenses 
11Chapter 11 - Keeping Time with the Skies 
12Chapter 12 - How Nature Works in Harmony 
13Chapter 13 - Our Home: Earth, a Unique Life Sustaining Planet 

Students should revise all chapters to ensure complete exam preparation.

Important CBSE Class 8 MCQ Science Questions with Answers

Crop Production and Management

Q1. Which tool is used for loosening soil?

A. Axe
B. Hoe
C. Knife
D. Hammer

Answer: B. Hoe

Q2. Which process separates grains from harvested crops?

A. Sowing
B. Irrigation
C. Harvesting
D. Threshing

Answer: D. Threshing

Microorganisms: Friend and Foe

Q1. Which microorganism converts milk into curd?

A. Virus
B. Bacteria
C. Fungus
D. Algae

Answer: B. Bacteria

Q2. Which disease is caused by a virus?

A. Tuberculosis
B. Cholera
C. Measles
D. Typhoid

Answer: C. Measles

Materials: Metals and Non-Metals

Q1. Which of the following is a metal?

A. Sulphur
B. Oxygen
C. Iron
D. Carbon

Answer: C. Iron

Q2. Metals are generally good conductors of:

A. Water
B. Heat and Electricity
C. Air
D. Plastic

Answer: B. Heat and Electricity

Coal and Petroleum

Q1. Coal and petroleum are known as:

A. Renewable resources
B. Fossil fuels
C. Minerals
D. Ores

Answer: B. Fossil fuels

Q2. Which fuel is used in vehicles?

A. Petrol
B. Wood
C. Paper
D. Plastic

Answer: A. Petrol

Class 8 Science MCQs Light

The chapter "Light" is one of the most important chapters in the Class 8 Science syllabus. Questions related to reflection, mirrors, image formation, and optical devices are frequently asked in examinations.

Class 8 Science MCQ Light Questions with Answers

Q1. Which mirror is used in vehicles as a rear-view mirror?

A. Plane Mirror
B. Convex Mirror
C. Concave Mirror
D. Spherical Mirror

Answer: B. Convex Mirror

Q2. The image formed by a plane mirror is:

A. Real
B. Inverted
C. Virtual and Erect
D. Magnified

Answer: C. Virtual and Erect

Q3. Which mirror is used by dentists?

A. Plane Mirror
B. Convex Mirror
C. Concave Mirror
D. Glass Mirror

Answer: C. Concave Mirror

Q4. A kaleidoscope works on the principle of:

A. Refraction
B. Reflection
C. Dispersion
D. Diffusion

Answer: B. Reflection

Q5. Periscopes are mainly used in:

A. Cars
B. Aeroplanes
C. Submarines
D. Bicycles

Answer: C. Submarines

The Class 8 Science MCQ Light section is especially important because many students find image formation and mirror concepts challenging. Regular practice makes these concepts easier to understand.

Force and Pressure MCQ Questions

Q1. Force is measured in:

A. Kilogram
B. Newton
C. Meter
D. Joule

Answer: B. Newton

Q2. Atmospheric pressure is caused by:

A. Water
B. Soil
C. Air
D. Heat

Answer: C. Air

Friction MCQ Questions

Q1. Friction acts in which direction?

A. Same direction as motion
B. Opposite direction to motion
C. Upward direction
D. Downward direction

Answer: B. Opposite direction to motion

Q2. Which substance is used as a lubricant?

A. Oil
B. Water
C. Sand
D. Clay

Answer: A. Oil

Sound MCQ Science Class 8

Q1. Sound is produced by:

A. Light
B. Vibrations
C. Water
D. Heat

Answer: B. Vibrations

Q2. Sound cannot travel through:

A. Solids
B. Liquids
C. Vacuum
D. Gases

Answer: C. Vacuum

Cell Structure and Functions MCQ Questions

Q1. The basic unit of life is:

A. Tissue
B. Organ
C. Cell
D. Organism

Answer: C. Cell

Q2. Which part of the cell controls its activities?

A. Cytoplasm
B. Nucleus
C. Cell Wall
D. Vacuole

Answer: B. Nucleus

Stars and the Solar System MCQ Questions

Q1. Which planet is known as the Red Planet?

A. Venus
B. Jupiter
C. Mars
D. Saturn

Answer: C. Mars

Q2. The Sun is a:

A. Planet
B. Satellite
C. Star
D. Comet

Answer: C. Star

Practice Test for Class 8 MCQ Science with Answers

Q1. Which gas is necessary for respiration?

A. Nitrogen
B. Oxygen
C. Carbon Dioxide
D. Hydrogen

Answer: B. Oxygen

Q2. Which planet is closest to the Sun?

A. Venus
B. Earth
C. Mercury
D. Mars

Answer: C. Mercury

Q3. Which mirror provides a wider field of view?

A. Plane Mirror
B. Concave Mirror
C. Convex Mirror
D. Glass Mirror

Answer: C. Convex Mirror

Q4. Which microorganism is used in baking bread?

A. Bacteria
B. Algae
C. Virus
D. Yeast

Answer: D. Yeast

Q5. Which force keeps planets revolving around the Sun?

A. Frictional Force
B. Magnetic Force
C. Gravitational Force
D. Muscular Force

Answer: C. Gravitational Force

Why Practice CBSE Class 8 MCQ Science Questions?

Many students focus only on reading NCERT textbooks. While reading is important, solving MCQs helps students apply their knowledge and test their understanding.

  • Helps in quick revision before exams.
  • Improves conceptual understanding.
  • Develops analytical thinking skills.
  • Reduces mistakes in objective questions.
  • Boosts confidence during examinations.
  • Strengthens preparation for Class 9 Science.

As a teacher, I have noticed that students who solve chapter-wise MCQs regularly often perform better than those who only read theory. MCQs help identify small gaps in understanding that may otherwise go unnoticed.

Tips to Solve MCQ Questions for Class 8 Science

  • Read Questions Carefully: Many students lose marks because they read questions too quickly. Always read the question and all options before selecting an answer.
  • Focus on NCERT Textbook: Most CBSE-based objective questions are directly or indirectly based on NCERT concepts. Pay special attention to definitions, diagrams, and highlighted points.
  • Practice Daily: Solving 15–20 MCQs daily can significantly improve performance. Regular practice helps students remember concepts for a longer period.
  • Revise Weak Topics: If you repeatedly make mistakes in chapters such as Light, Sound, or Force and Pressure, spend extra time revising those concepts.
  • Attempt Mock Tests: Chapter-wise and full-syllabus mock tests help students become familiar with different question patterns and improve speed.

Benefits of Solving Class 8 MCQ Science with Answers

When students solve MCQs and check answers immediately, they gain several advantages:

  • Better understanding of scientific concepts.
  • Improved memory retention.
  • Faster revision before exams.
  • Enhanced problem-solving skills.
  • Greater confidence during tests.
  • Better preparation for future competitive exams.

MCQs also help students develop logical thinking, which is useful not only in Science but in Mathematics and other subjects as well.

How to Prepare for CBSE Class 8 Science Exams?

A simple study plan can make exam preparation easier:

  • Complete one chapter every week.
  • Read NCERT theory carefully.
  • Make short notes of important points.
  • Solve chapter-wise MCQs.
  • Practice previous school test questions.
  • Revise difficult chapters twice before exams.
  • Attempt a full-syllabus mock test.

Following this method consistently can help students improve their overall performance.

Conclusion

Practicing CBSE Class 8 MCQ Science questions is one of the most effective ways to prepare for school examinations. Chapter-wise objective questions help students revise concepts quickly and identify areas that need improvement. Whether you are studying Force and Pressure, Sound, Cell Structure, or Class 8 Science MCQ Light questions, regular practice can significantly improve your confidence and scores.

Class 10 CBSE Results 2026 - 690+ Students Scored Above 90%

Frequently Asked Questions