Student Questions

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Showing: Class 9 (1030 questions)

by AARON DUTTA · Class 9

Which of the following substances is a pure element? a) Copper b) Sodium chloride c) Air d) Saltwater

Science Atoms and Molecules 0 2 answers 100%
by AARON DUTTA · Class 9

What is the main cause of evaporation? a) Decrease in temperature b) Increase in pressure c) Increase in temperature d) Decrease in volume

Science Atoms and Molecules 0 1 answers 100%
by AARON DUTTA · Class 9

Which of the following changes is reversible? a) Melting of wax b) Burning of paper c) Rusting of iron d) Cooking of food

Science Atoms and Molecules 0 2 answers 100%
by AARON DUTTA · Class 9

What is the boiling point of water? a) 0°C b) 100°C c) 50°C d) 200°C

Science Atoms and Molecules 0 1 answers 100%
by AARON DUTTA · Class 9

Which of the following processes involves the change of gas into a liquid? a) Evaporation b) Freezing c) Condensation d) Melting

Science Atoms and Molecules 0 1 answers 100%
by AARON DUTTA · Class 9

What is sublimation? a) Solid to gas b) Gas to solid c) Liquid to solid d) Liquid to gas

Science Atoms and Molecules 0 2 answers 100%
by AARON DUTTA · Class 9

What is plasma? a) A solid state of matter b) A liquid state of matter c) A gaseous state with no particles d) A state of matter with charged particles

Science Atoms and Molecules 0 1 answers 100%
by AARON DUTTA · Class 9

What is the characteristic of gases? a) Fixed shape and fixed volume b) Fixed volume but no fixed shape c) No fixed volume or shape d) Fixed shape but no fixed volume

Science Atoms and Molecules 0 1 answers 100%
by AARON DUTTA · Class 9

Which of the following is NOT a property of matter? a) Volume b) Temperature c) Mass d) Color

Science Atoms and Molecules 0 1 answers 100%
by AARON DUTTA · Class 9

What is the basic unit of matter? a) Proton b) Molecule c) Atom d) Neutron

Science Atoms and Molecules 0 1 answers 100%
by AARON DUTTA · Class 9

Which of the following is a dead tissue? a) Parenchyma b) Sclerenchyma c) Collenchyma d) Phloem

Science Tissues 0 1 answers 0%
by AARON DUTTA · Class 9

Which of the following is not a simple permanent tissue? a) Xylem b) Parenchyma c) Collenchyma d) Sclerenchyma

Science Cell � The Fundamental Unit of Life 0 1 answers 100%
by AARON DUTTA · Class 9

Which of the following is a characteristic of meristematic tissue? a) Thick secondary walls b) Large vacuoles c) Actively dividing cells d) Dead cells

Science Tissues 0 1 answers 100%
by AARON DUTTA · Class 9

Which of the following is found only in animal cells? a) Cell wall b) Centrioles c) Large central vacuole d) Chloroplasts

Science Cell � The Fundamental Unit of Life 0 1 answers 100%
by AARON DUTTA · Class 9

What are chromatin fibers made of? a) DNA and proteins b) RNA and proteins c) Lipids and carbohydrates d) DNA and lipids

Science Cell � The Fundamental Unit of Life 0 1 answers 100%
by AARON DUTTA · Class 9

Which of the following does NOT affect the speed of an object?

Science Motion 0 2 answers 0%
by AARON DUTTA · Class 9

If the displacement-time graph is a straight line, what can be said about the motion of the object?

Science Motion 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

Question 1: Introducing a woman, a man said, "Her son is the only son of my mother." How is the woman related to the man? a) Sister b) Mother c) Sister-in-law d) Daughter

Reasoning Blood Relations 0 1 answers 100%
by AARON DUTTA · Class 9

Which of the following describes an object in uniform motion?

Science Motion 0 2 answers 100%
by AARON DUTTA · Class 9

What is the primary function of the Golgi apparatus?

Science Cell � The Fundamental Unit of Life 0 1 answers 0%

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