Last Updated on May 14, 2025 by XAM CONTENT
Understanding the key concepts of Class 9 Science Chapter 1 – Matter in Our Surroundings is crucial for exam success. To make your revision easier, we have created chapterwise mcq questions with Answers for class 9 Science based on the latest syllabus and exam pattern. It is a part of MCQ Questions for CBSE Class 9 Science Series.
These multiple-choice questions will help you assess your knowledge, improve accuracy, and boost confidence for your exams. Whether you are preparing for school tests, online tests or competitive exams, these Matter in Our Surroundings MCQs will strengthen your conceptual clarity.
| Chapter | Matter in Our Surroundings |
| Book | Science Textbook for Class 9 |
| Type of Questions | MCQ Questions |
| Nature of Questions | Competency Based Questions |
| Board | CBSE |
| Class | 9 |
| Subject | Science |
| Useful for | Class 9 Studying Students |
| Answers provided | Yes |
| Difficulty level | Mentioned |
| Important Link | Class 9 Science Chapterwise MCQ Questions |
MCQ Questions on Matter in Our Surroundings Class 9 Science
MCQs
Q1. Which of the following is not considered matter?
(a) Air
(b) Sound
(c) Water
(d) Stone
Show Answer
Answer: (b)
Explanation: Sound is a form of energy and does not occupy space or have mass, hence it is not matter.
Q2. What is the physical nature of matter according to modern science?
(a) Matter is continuous
(b) Matter is made up of large particles
(c) Matter is made up of tiny particles
(d) Matter has no physical nature
Show Answer
Answer: (c)
Explanation: Matter is made up of extremely small particles, as evident from diffusion and dissolution activities.
Q3. When a crystal of potassium permanganate is dissolved in water and diluted repeatedly, the colour persists for many dilutions. What does this demonstrate?
(a) Particles of matter are large
(b) Particles of matter are not divisible
(c) Particles of matter are continuously moving
(d) Particles of matter are very small
Show Answer
Answer: (d)
Explanation: The colour persists even in large volumes of water, indicating that the particles are extremely small and divisible.
Q4. What does the diffusion of gases demonstrate about the nature of particles?
(a) Particles are heavy
(b) Particles are fixed
(c) Particles are in motion
(d) Particles are not divisible
Show Answer
Answer: (c)
Explanation: Diffusion occurs because particles are constantly moving.
Q5. Which state of matter has the highest kinetic energy?
(a) Solid
(b) Liquid
(c) Gas
(d) Plasma
Show Answer
Answer: (c)
Explanation: Gas particles have the most kinetic energy due to high-speed movement and weak intermolecular forces.
Q6. Why does a gas fill the entire container in which it is kept?
(a) Because of strong force of attraction
(b) Because of low density
(c) Because of negligible intermolecular force
(d) Because gas particles are heavy
Show Answer
Answer: (c)
Explanation: Due to negligible force of attraction, gas particles move freely and spread out to fill the container.
Q7. Which of the following has the weakest intermolecular force?
(a) Solid
(b) Liquid
(c) Gas
(d) Plasma
Show Answer
Answer: (c)
Explanation: Gases have the weakest intermolecular force, allowing particles to move freely and independently.
Q8. Which of the following processes involves conversion of a gas directly to a solid?
(a) Condensation
(b) Sublimation
(c) Deposition
(d) Fusion
Show Answer
Answer: (c)
Explanation: Deposition is the direct conversion of gas to solid without becoming a liquid.
Q9. Why does ice at 273 K feel colder than water at 273 K?
(a) Ice has higher kinetic energy
(b) Water has latent heat
(c) Ice has latent heat of fusion
(d) Ice absorbs more heat
Show Answer
Answer: (c)
Explanation: Ice absorbs additional heat (latent heat of fusion) without changing temperature, making it feel colder.
Q10. What happens to the particles of a solid as it is heated?
(a) They move slower
(b) Their kinetic energy decreases
(c) They vibrate faster
(d) They get fixed in position
Show Answer
Answer: (c)
Explanation: Heating increases the kinetic energy of solid particles, making them vibrate faster.
Q11. What is the boiling point of water in Kelvin?
(a) 273 K
(b) 298 K
(c) 373 K
(d) 473 K
Show Answer
Answer: (c)
Explanation: Water boils at 100°C which is equal to 373 K (100 + 273).
Q12. Which of the following phenomena does *not* involve a change in the physical state of matter?
(a) Melting
(b) Boiling
(c) Freezing
(d) Diffusion
Show Answer
Answer: (d)
Explanation: Diffusion is the mixing of particles, not a change in state.
Q13. Why do gases have high compressibility?
(a) Because they are heavy
(b) Because they have high density
(c) Because there is large space between particles
(d) Because their particles are at rest
Show Answer
Answer: (c)
Explanation: Gas particles have a lot of space between them, making gases highly compressible.
Q14. Which of the following substances shows sublimation?
(a) Water
(b) Camphor
(c) Salt
(d) Sugar
Show Answer
Answer: (b)
Explanation: Camphor changes directly from solid to gas on heating, a process called sublimation.
Q15. What causes cooling during evaporation?
(a) Heat released to surroundings
(b) Temperature increase
(c) Energy absorbed from surroundings
(d) Compression of particles
Show Answer
Answer: (c)
Explanation: During evaporation, high-energy particles escape by absorbing heat from surroundings, causing cooling.
Q16. Which factor does *not* affect the rate of evaporation?
(a) Surface area
(b) Humidity
(c) Wind speed
(d) Colour of liquid
Show Answer
Answer: (d)
Explanation: Evaporation depends on temperature, surface area, humidity, and wind speed—not on colour.
Q17. Which of the following is an example of deposition?
(a) Ice melting
(b) Steam condensing
(c) Frost forming
(d) Naphthalene evaporating
Show Answer
Answer: (c)
Explanation: Frost formation is gas (water vapor) changing directly to solid (ice) – deposition.
Q18. Why is steam more dangerous than boiling water at the same temperature?
(a) Steam has less energy
(b) Steam contains latent heat
(c) Boiling water is more fluid
(d) Steam is heavier
Show Answer
Answer: (b)
Explanation: Steam contains extra latent heat of vaporisation, causing more severe burns.
Q19. What is the SI unit of pressure?
(a) Pascal
(b) Bar
(c) Atmosphere
(d) Torr
Show Answer
Answer: (a)
Explanation: The SI unit of pressure is Pascal (Pa).
Q20. Which process is a surface phenomenon?
(a) Boiling
(b) Freezing
(c) Evaporation
(d) Condensation
Show Answer
Answer: (c)
Explanation: Evaporation occurs only at the surface of a liquid, unlike boiling which is a bulk process.
We hope the given mcq questions with Answers for Matter in Our Surroundings Class 9 helps you in your learning.
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Topics from which mcq questions may be asked
- Physical nature of matter
- States of matter
- Evaporation and its factors
Matter is anything that occupies space and has mass – the foundation of everything we see.
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Frequently Asked Questions (FAQs) on Matter in Our Surroundings MCQ Questions
Q1: What are MCQ questions in Class 9 Science?
A1: MCQ (Multiple Choice Questions) in Class 9 Science are objective-type questions where students choose the correct answer from four options. They test conceptual understanding, application, and reasoning skills.
Q2: Are these Class 9 Science MCQs based on the latest CBSE syllabus?
A2: Yes, all MCQ questions provided are strictly based on the latest CBSE Class 9 Science syllabus and follow the current NCERT textbook.
Q3: Are Class 9 Science MCQ questions useful for board exam preparation?
A3: Yes, practicing MCQ questions helps build strong conceptual understanding and improves performance in school tests, Olympiads, and board-level competency assessments.
Q4: Do these MCQs include answers and explanations?
A4: Absolutely. Each MCQ question includes the correct answer along with a detailed explanation to help students understand the concept behind the question.
Q5: Where can I find the best MCQ questions for Class 9 Science?
A5: You can find high-quality, CBSE-based MCQ questions for Class 9 Science on trusted educational websites like xamcontent.com. These include chapterwise, topicwise, and competency-based questions aligned with the latest syllabus
Q6: Are there any resources available online for students to practice mcq questions on class 9 science chapter 1 “Matter in Our Surroundings“ for CBSE exams?
A6: Yes, several educational websites offer mcq questions for CBSE students preparing for science examinations. We also offer a collection of mcq questions for all classes and subject on our website. Visit our website to access these questions and enhance your learning experience. for more mcq, you can also visit Physics Gurukul Website.
