SEBA Class 9 Science Chapter 1 Matter in Our Surroundings MCQs (2026–27) – Assam Eduverse
If you are searching for SEBA Class 9 Science Chapter 1 Matter in Our Surroundings MCQs, solutions, and notes, this page provides clear and exam-oriented answers based on the latest ASSEB syllabus. The content is designed to help students understand fundamental concepts easily and prepare effectively for exams.
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SEBA Class 9 Science Chapter 1 Matter in Our Surroundings Solutions
SEBA Class 9 Science Chapter 1 Matter in Our Surroundings MCQs – ASSEB 2026–27 Board Exam Practice
Table of Contents
Q1. Which of the following is matter?
(a) Love
(b) Thought
(c) Air
(d) Hate
Answer: (c) Air
Q2. Matter is anything that has
(a) only mass
(b) only volume
(c) mass and volume
(d) shape only
Answer: (c) mass and volume
Q3. The SI unit of mass is
(a) gram
(b) kilogram
(c) litre
(d) metre
Answer: (b) kilogram
Q4. The SI unit of volume is
(a) litre
(b) cubic metre
(c) cubic centimetre
(d) millilitre
Answer: (b) cubic metre
Q5. Matter is made up of
(a) cells
(b) atoms only
(c) particles
(d) molecules only
Answer: (c) particles
Q6. The spreading of ink in water without stirring shows that particles of matter are
(a) stationary
(b) continuously moving
(c) very large
(d) hard
Answer: (b) continuously moving
Q7. The intermixing of particles of two different substances on their own is called
(a) sublimation
(b) boiling
(c) diffusion
(d) condensation
Answer: (c) diffusion
Q8. Diffusion is faster in gases because
(a) particles are bigger
(b) particles move slowly
(c) particles have high speed and large spaces between them
(d) gases have no mass
Answer: (c) particles have high speed and large spaces between them
Q9. Particles of matter have
(a) no force of attraction
(b) very strong force only in gases
(c) force of attraction between them
(d) magnetic force only
Answer: (c) force of attraction between them
Q10. The force of attraction between particles is maximum in
(a) gases
(b) liquids
(c) solids
(d) plasma
Answer: (c) solids
Q11. Solids have
(a) fixed shape and fixed volume
(b) fixed shape but no volume
(c) no fixed shape and no volume
(d) fixed volume but no shape
Answer: (a) fixed shape and fixed volume
Q12. Liquids have
(a) fixed shape and fixed volume
(b) fixed shape only
(c) fixed volume but no fixed shape
(d) neither fixed shape nor volume
Answer: (c) fixed volume but no fixed shape
Q13. Gases have
(a) fixed shape and volume
(b) fixed volume only
(c) fixed shape only
(d) neither fixed shape nor fixed volume
Answer: (d) neither fixed shape nor fixed volume
Q14. The process of change of solid directly into gas is called
(a) evaporation
(b) fusion
(c) sublimation
(d) deposition
Answer: (c) sublimation
Q15. The process of change of gas directly into solid is called
(a) condensation
(b) deposition
(c) evaporation
(d) melting
Answer: (b) deposition
Q16. The minimum temperature at which a solid melts is called
(a) boiling point
(b) melting point
(c) freezing point
(d) evaporation point
Answer: (b) melting point
Q17. The melting point of ice is
(a) 100 K
(b) 0 K
(c) 273 K
(d) 373 K
Answer: (c) 273 K
Q18. The boiling point of water is
(a) 273 K
(b) 373 K
(c) 100 K
(d) 0 K
Answer: (b) 373 K
Q19. The heat required to change 1 kg of solid into liquid at its melting point is called
(a) latent heat of vaporisation
(b) boiling heat
(c) latent heat of fusion
(d) specific heat
Answer: (c) latent heat of fusion
Q20. Evaporation is a
(a) bulk phenomenon
(b) surface phenomenon
(c) solid phenomenon
(d) pressure phenomenon
Answer: (b) surface phenomenon
Q21. Assertion: Diffusion is faster in gases.
Reason: Gas particles have high speed and large spaces between them.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (a) Both A and R are true and R is the correct explanation of A
Q22. Assertion: Solids are rigid.
Reason: Particles in solids have strong force of attraction.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (a) Both A and R are true and R is the correct explanation of A
Q23. Assertion: Temperature remains constant during melting.
Reason: Heat supplied is used to overcome the force of attraction between particles.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (a) Both A and R are true and R is the correct explanation of A
Q24. Assertion: Evaporation causes cooling.
Reason: Particles absorb energy from the surroundings during evaporation.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (a) Both A and R are true and R is the correct explanation of A
Q25. Assertion: Gases are highly compressible.
Reason: There is large space between gas particles.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (a) Both A and R are true and R is the correct explanation of A
Q26. Assertion: Liquids can flow.
Reason: Particles in liquids have weaker force of attraction than in solids.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (a) Both A and R are true and R is the correct explanation of A
Q27. Assertion: A gas fills completely the vessel in which it is kept.
Reason: Gas particles move randomly at high speed.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (a) Both A and R are true and R is the correct explanation of A
Q28. Assertion: Ice at 273 K is more effective in cooling than water at 273 K.
Reason: Ice absorbs latent heat of fusion while melting.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (a) Both A and R are true and R is the correct explanation of A
Q29. Assertion: The rate of evaporation increases with increase in humidity.
Reason: Humidity is the amount of water vapour present in air.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (d) A is false but R is true
Q30. Assertion: Boiling is a surface phenomenon.
Reason: During boiling, particles from the bulk of liquid change into vapour.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
Answer: (d) A is false but R is true
Q31. Which of the following show diffusion?
i) Smell of perfume spreading in a room
ii) Ink spreading in water
iii) Sugar dissolving in water
iv) Melting of ice
a) i and ii
b) i, ii and iii
c) ii and iv
d) i, ii, iii and iv
Answer: b) i, ii and iii
Q32. Which of the following are properties of solids?
i) Fixed shape
ii) Fixed volume
iii) Highly compressible
iv) Rigid
a) i and ii
b) i, ii and iv
c) ii and iii
d) i, ii, iii and iv
Answer: b) i, ii and iv
Q33. Which of the following factors increase the rate of evaporation?
i) Increase in surface area
ii) Increase in temperature
iii) Increase in humidity
iv) Increase in wind speed
a) i and ii
b) i, ii and iv
c) ii and iii
d) i, ii, iii and iv
Answer: b) i, ii and iv
Q34. Which of the following statements are true about gases?
i) Particles are far apart
ii) Highly compressible
iii) Fixed volume
iv) Diffuse quickly
a) i and ii
b) i, ii and iv
c) ii and iii
d) i, ii, iii and iv
Answer: b) i, ii and iv
Q35. Which of the following processes involve latent heat?
i) Melting
ii) Boiling
iii) Evaporation
iv) Diffusion
a) i and ii
b) i, ii and iii
c) ii and iv
d) i, ii, iii and iv
Answer: a) i and ii
Q36. Which states of matter can diffuse into liquids?
i) Solids
ii) Liquids
iii) Gases
iv) Plasma
a) i and ii
b) i, ii and iii
c) ii and iv
d) i, ii, iii and iv
Answer: b) i, ii and iii
Q37. Which of the following are bulk phenomena?
i) Boiling
ii) Evaporation
iii) Sublimation
iv) Diffusion
a) i only
b) i and ii
c) ii and iii
d) i, ii, iii and iv
Answer: a) i only
Q38. Which of the following depend on change of temperature?
i) Melting
ii) Boiling
iii) Evaporation
iv) Sublimation
a) i and ii
b) i, ii and iii
c) ii and iii
d) i, ii, iii and iv
Answer: d) i, ii, iii and iv
Q39. Which of the following are correct about particles of matter?
i) They have space between them
ii) They are continuously moving
iii) They attract each other
iv) They are visible to naked eye
a) i and ii
b) i, ii and iii
c) ii and iv
d) i, ii, iii and iv
Answer: b) i, ii and iii
Q40. Which of the following show that gases exert pressure?
i) Balloon expands when filled
ii) Gas cylinder contains compressed gas
iii) Syringe piston moves inward easily
iv) Smell spreads quickly
a) i and ii
b) i, ii and iii
c) ii and iv
d) i, ii, iii and iv
Answer: a) i and ii
Q41. Match the following:
Column A Column B
(a) Fusion 1) Gas to solid
(b) Vaporisation 2) Solid to liquid
(c) Sublimation 3) Liquid to gas
(d) Deposition 4) Solid to gas
Answer: (a–2), (b–3), (c–4), (d–1)
Q42. Match the following:
Column A Column B
(a) Solid 1) Maximum compressibility
(b) Liquid 2) Fixed shape
(c) Gas 3) Fixed volume but no fixed shape
Answer: (a–2), (b–3), (c–1)
Q43. Match the following:
Column A Column B
(a) Melting point 1) Heat required to change liquid to gas
(b) Boiling point 2) Temperature at which liquid starts boiling
(c) Latent heat of fusion 3) Heat required to change solid to liquid
(d) Latent heat of vaporisation 4) Temperature at which solid melts
Answer: (a–4), (b–2), (c–3), (d–1)
Q44. Match the following:
Column A Column B
(a) Increase in surface area 1) Increases evaporation
(b) Increase in humidity 2) Decreases evaporation
(c) Increase in wind speed 1) Increases evaporation
(d) Increase in temperature 1) Increases evaporation
Answer: (a–1), (b–2), (c–1), (d–1)
Q45. Match the following:
Column A Column B
(a) 273 K 1) Boiling point of water
(b) 373 K 2) Melting point of ice
(c) 0°C 2) Melting point of ice
(d) 100°C 1) Boiling point of water
Answer: (a–2), (b–1), (c–2), (d–1)
Q46. Match the following:
Column A Column B
(a) Diffusion 1) Surface phenomenon
(b) Evaporation 2) Bulk phenomenon
(c) Boiling 3) Mixing of particles
(d) Condensation 4) Gas to liquid
Answer: (a–3), (b–1), (c–2), (d–4)
Q47. Match the following:
Column A Column B
(a) Solid CO₂ 1) Sublimation
(b) Camphor 2) Evaporation causes cooling
(c) Cotton clothes 3) Dry ice
(d) Earthen pot 4) Cooling due to evaporation
Answer: (a–3), (b–1), (c–2), (d–4)
Q48. Match the following:
Column A Column B
(a) Solid 1) Minimum kinetic energy
(b) Liquid 2) Intermediate kinetic energy
(c) Gas 3) Maximum kinetic energy
Answer: (a–1), (b–2), (c–3)
Q49. Match the following:
Column A Column B
(a) Compression 1) Liquid to solid
(b) Melting 2) Increase in pressure
(c) Freezing 3) Solid to liquid
(d) Evaporation 4) Liquid to gas
Answer: (a–2), (b–3), (c–1), (d–4)
Q50. Match the following:
Column A Column B
(a) Oxygen in water 1) Diffusion of solid in liquid
(b) Perfume smell 2) Diffusion of liquid in liquid
(c) Ink in water 3) Diffusion of gas in liquid
(d) Sugar in tea 4) Diffusion of gas in gas
Answer: (a–3), (b–4), (c–2), (d–1)
SEBA Class 9 Science Chapter 1 Matter in Our Surroundings MCQs – Important Objective Questions
Mastering Matter in Our Surroundings becomes much easier when students regularly practice well-structured MCQs that reflect the latest SEBA (ASSEB) syllabus. The questions provided above are not just for practice, but are carefully designed to strengthen conceptual clarity and help students understand how objective questions are framed in the actual examination.
By solving these SEBA Class 9 Science Chapter 1 MCQs, students can build a deeper understanding of key topics such as the nature and behaviour of particles, different states of matter, diffusion, temperature conversions, and processes like evaporation and change of state. These are some of the most important areas from which questions are frequently asked, making consistent practice extremely valuable.
One of the biggest advantages of practicing these objective questions is that it improves both accuracy and speed. Students become more confident in selecting the correct answers, avoiding confusion between similar concepts, and handling exam pressure effectively. It also helps in quick revision, especially when time is limited before tests or final exams.
If you are preparing for your school exams or aiming to perform well in the board pattern, regularly revising such important MCQs for Class 9 Science (SEBA) can make a significant difference. Instead of memorizing, focus on understanding the concepts behind each question, as this will help you tackle both objective and descriptive sections with ease.
Keep practicing, stay consistent, and use these MCQs as a reliable resource to strengthen your preparation and score better in your examinations.
FAQs – SEBA Class 9 Science Chapter 1 Matter in Our Surroundings MCQs
1. How many MCQs come from Matter in Our Surroundings in SEBA Class 9 exam?
Usually 3–5 MCQs appear from this chapter out of 45 total MCQs. Focus on concepts like states of matter and temperature conversions.
2. Which are the most important MCQs for SEBA Class 9 Science Chapter 1?
Important MCQs cover evaporation, boiling point, latent heat, and diffusion. Practice chapter-wise questions regularly to improve accuracy.
3. Is Matter in Our Surroundings a difficult chapter for MCQs?
No, it’s easy if concepts are clear. Students mostly confuse temperature units and states, so revise formulas and examples carefully.
4. Are there any numericals in Chapter 1 MCQs for SEBA Class 9 Science?
Yes, simple numericals like Celsius to Kelvin conversion appear. Remember the formula and practice a few sums to avoid silly mistakes.
5. Where can I download SEBA Class 9 Science Chapter 1 MCQs with answers?
You can find chapter-wise MCQs PDFs on Assam Eduverse and similar sites. Always choose updated content based on latest ASSEB guidelines.
6. How to prepare MCQs for Matter in Our Surroundings quickly before exam?
Revise key definitions, practice 30–50 MCQs, and focus on tricky topics like evaporation factors. Assam Eduverse notes are helpful for quick revision.
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