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Class 9 – Science Extra Questions – Ch. 10 – Work and Energy Q. 1 What form of energy is present in water held back by a dam? A) no energy B) electrical energy C) kinetic energy D) potential energy Q. 2 What is the SI unit of work A) Newton B) meter C) newton-meter […]

Class 9 – Science Extra Questions – Ch. 9 – Gravitation Q. 1 When a ship made of steel floats on water, it is an example of which scientific principle? A) Friction B) Gravity C) Inertia D) Buoyancy Q. 2 A projectile is launched vertically upwards and reaches its peak height in 3 seconds. What

Class 9 – Science Extra Questions – Ch. 8 – Force and Laws of Motion Q. 1 What is the definition of fluids? A) solids and liquids B) liquids and gases C) solids and gases D) only liquids Q. 2 What is the magnitude of the buoyant force experienced by an object? A) mass of

Class 9 – Science Extra Questions – Ch. 7 – Motion Q. 1 A person walks 5 meters east and then 5 meters west. What is the total distance traveled by the person? A) 0 meters B) 5 meters C) 10 meters D) The distance cannot be determined Q. 2 The distances covered by a

Class 9 – Science Extra Questions – Ch. 6 – Tissues Q. 1 Which of the following tissues contains proteins responsible for contraction? A) bones B) blood C) muscles D) cartilage Q. 2 What are the cellular components that make up phloem tissue? A) sieve tubes B) companion cells C) both of these D) none

Class 9 – Science Extra Questions – Ch. 5 – The Fundamental Unit of Life Q. 1 What molecule serves as the cell’s primary energy-carrying unit? A) mitochondria B) ATP C) FAD D) glucose Q. 2 Which of these organisms has a shape that changes or is not fixed? A) Euglena B) Paramecium C) Amoeba

Class 9 – Science Extra Questions – Ch. 4 – Structure of The Atom Q. 1 How many electrons are in calcium’s outermost electron shell A) 6 B) 8 C) 2 D) 4 Q. 2 What is the valency of oxygen A) 1 B) 2 C) 3 D) 4 Q. 3 Which of the following

Class 9 – Science Extra Questions – Ch. 3 – Atoms and Molecules Q. 1 Which of the following elements has the chemical symbol Au? A) Aluminum B) Argon C) Gold D) Silver Q. 2 What is the definition of an atom? A) smallest particle of matter known B) smallest particle of a gas C)

Class 9 – Science Extra Questions – Ch. 2 – Is Matter Around Us Pure Q. 1 A substance that has a uniform composition and properties throughout is called: A) Heterogeneous mixture B) Element C) Compound D) Homogeneous mixture Q. 2 A farmer wants to separate small stones from a large pile of harvested rice.

Class 9 – Science Extra Questions – Ch. 1 – Matter in Our Surroundings Q. 1 Why does water in an earthen pot stay cool on a summer day? A) condensation B) evaporation C) freezing D) fusion Q. 2 If a gas burner with a small flame continuously provides heat to melt ice, what happens