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.
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.

