Class 9 Half Yearly Exam 2025 | top MCQs Chapter-wise pdf

Class 9 Half Yearly Exam 2025 | top MCQs Chapter-wise pdf

Physics

Motion – Top MCQs

1. Which of the following is a vector quantity?
   a) Speed
   b) Distance
   c) Displacement
   d) Path length
   Ans: c) Displacement
2. The slope of a velocity-time graph represents:
   a) Speed
   b) Acceleration
   c) Displacement
   d) Distance
   Ans: b) Acceleration
3. SI unit of acceleration is:
   a) m/s
   b) m/s²
   c) m/min²
   d) km/h
   Ans: b) m/s²

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Force and Laws of Motion – Top MCQs

1. Newton’s First Law is also called:
   a) Law of inertia
   b) Law of gravitation
   c) Law of momentum
   d) Law of acceleration
   Ans: a) Law of inertia
2. Rate of change of momentum is equal to:
   a) Force
   b) Mass
   c) Weight
   d) Impulse
   Ans: a) Force
3. Action and reaction forces act:
   a) On the same body
   b) On different bodies
   c) Always in the same direction
   d) None of these
   Ans: b) On different bodies

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Gravitation – Top MCQs

1. The value of acceleration due to gravity (g) on Earth is:
   a) 8.9 m/s²
   b) 9.8 m/s²
   c) 10.8 m/s²
   d) 9.6 m/s²
   Ans: b) 9.8 m/s²
2. The force of gravity acting on a body is called:
   a) Mass
   b) Weight
   c) Thrust
   d) Pressure
   Ans: b) Weight
3. The mass of an object on the moon is:
   a) Zero
   b) Same as on Earth
   c) One-sixth of Earth
   d) Double of Earth
   Ans: b) Same as on Earth

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Work and Energy – Top MCQs

1. Work is said to be done when:
   a) A force is applied
   b) A body is displaced
   c) Force is applied and body is displaced in direction of force
   d) Force is perpendicular to displacement
   Ans: c) Force is applied and body is displaced in direction of force
2. SI unit of work is:
   a) Newton
   b) Joule
   c) Watt
   d) Erg
   Ans: b) Joule
3. Power is defined as:
   a) Energy × Time
   b) Work × Time
   c) Work/Time
   d) Force × Distance
   Ans: c) Work/Time

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Sound – Top MCQs

1. The speed of sound is maximum in:
   a) Air
   b) Water
   c) Steel
   d) Vacuum
   Ans: c) Steel
2. SI unit of frequency is:
   a) Hertz
   b) Decibel
   c) Metre
   d) Second
   Ans: a) Hertz
3. Pitch of sound depends on:
   a) Amplitude
   b) Frequency
   c) Speed
   d) Wavelength
   Ans: b) Frequency

Chemistry

Class 9 Half Yearly Exam 2025 | top MCQs Chapter-wise pdf

Matter in Our Surroundings – Top MCQs

1. Which property is common to solids?
   a) Definite shape and volume
   b) Highly compressible
   c) No fixed boundary
   d) Flow easily
   Ans: a) Definite shape and volume
2. The process of conversion of solid directly into gas is called:
   a) Evaporation
   b) Condensation
   c) Sublimation
   d) Freezing
   Ans: c) Sublimation

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Is Matter Around Us Pure? – Top MCQs

1. Brass is an example of:
   a) Compound
   b) Element
   c) Mixture
   d) Alloy
   Ans: d) Alloy
2. Which separation technique is used to separate cream from milk?
   a) Sedimentation
   b) Centrifugation
   c) Filtration
   d) Distillation
   Ans: b) Centrifugation

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Atoms and Molecules – Top MCQs

1. Law of conservation of mass was proposed by:
   a) Dalton
   b) Lavoisier
   c) Boyle
   d) Avogadro
   Ans: b) Lavoisier
2. One mole of any substance contains:
   a) 6.022 × 10²³ particles
   b) 6.022 × 10²⁰ particles
   c) 6.022 × 10²² particles
   d) 1.022 × 10²³ particles
   Ans: a) 6.022 × 10²³ particles

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Structure of the Atom – Top MCQs

1. The positively charged particle in an atom is:
   a) Neutron
   b) Proton
   c) Electron
   d) Positron
   Ans: b) Proton
2. The nucleus of an atom was discovered by:
   a) Dalton
   b) Thomson
   c) Rutherford
   d) Bohr
   Ans: c) Rutherford

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Biology

The Fundamental Unit of Life – Top MCQs

1. The control centre of the cell is:
   a) Nucleus
   b) Mitochondria
   c) Golgi body
   d) Ribosome
   Ans: a) Nucleus
2. Plant cell wall is made up of:
   a) Starch
   b) Cellulose
   c) Protein
   d) Chitin
   Ans: b) Cellulose

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Tissues – Top MCQs

1. Xylem is responsible for:
   a) Transport of food
   b) Transport of water
   c) Photosynthesis
   d) Transpiration
   Ans: b) Transport of water
2. The structural and functional unit of nervous tissue is:
   a) Cell body
   b) Axon
   c) Neuron
   d) Dendrite
   Ans: c) Neuron

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Improvement in Food Resources – Top MCQs

1. Hybridisation in crops means:
   a) Crossing two different varieties
   b) Growing crops in rotation
   c) Use of fertilizers
   d) Use of pesticides
   Ans: a) Crossing two different varieties
2. Apiculture is related to:
   a) Fish farming
   b) Rearing of silk moth
   c) Rearing of honey bees
   d) Dairy farming
   Ans: c) Rearing of honey bees

Top MCQs Chapter-wise pdf

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