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WorksheetsScience Quiz for Grade 9 Students
Total questions: 10
Worksheet time: 5mins
What is the basic structural and functional unit of all living organisms?
tissue
organ
cell
molecule
Which organelle is known as the powerhouse of the cell?
Ribosome
Mitochondria
Nucleus
Endoplasmic reticulum
What is the function of the nucleus in a cell?
Stores waste materials
Produces energy for the cell
Control center and contains genetic material
Regulates the movement of substances in and out of the cell
According to Newton's first law of motion, an object at rest tends to stay at rest unless acted upon by what?
a magnetic field
an external force
an internal energy
a gravitational force
What is the formula for Newton's second law of motion?
F = ma
F = ma^2
F = pa
F = mv
What is the third law of motion proposed by Newton?
Every action has an unequal reaction.
For every action, there is an equal and opposite reaction.
Actions have no reaction.
Opposite reactions have no relation to actions.
Which scientist is credited with the discovery of the cell?
Marie Curie
Isaac Newton
Galileo Galilei
Robert Hooke
What is the function of the cell membrane?
Controls the movement of substances in and out of the cell.
Provides energy to the cell
Stores genetic information
Regulates cell division
In Newton's second law of motion, what does 'F' represent?
mass
velocity
force
acceleration
What is the name of the law that states 'for every action, there is an equal and opposite reaction'?
Archimedes' Principle
Newton's Third Law of Motion
Boyle's Law
Einstein's Theory of Relativity
