What is an example of diffusion?
Osmosis and Diffusion

Quiz
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Science
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7th Grade
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The spreading of perfume in a room.
The movement of water through a semipermeable membrane.
The process of photosynthesis in plants.
The circulation of blood in the human body.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Why is osmosis important for cells?
It helps maintain cell turgor pressure, which is essential for plant structure and function.
It allows cells to divide more rapidly during growth.
It increases the temperature of the cell, enhancing metabolic reactions.
It prevents the cell from absorbing nutrients effectively.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What happens to a cell in a hypertonic solution?
The cell gains water and swells due to lower solute concentration outside.
The cell loses water and may shrivel due to higher solute concentration outside.
The cell remains unchanged as the solute concentration is balanced.
The cell bursts due to excessive water intake.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is osmosis?
The movement of water from an area of low concentration to an area of high concentration across a semi-permeable membrane.
The movement of water from an area of high concentration to an area of low concentration across a semi-permeable membrane.
The process of diffusion of solutes across a semi-permeable membrane.
The movement of water in and out of cells without any concentration gradient.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does permeable mean?
Permeable means that things can pass through.
Permeable means that things cannot pass through.
Permeable means that things are solid and unyielding.
Permeable means that things are liquid and flowing.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the difference between osmosis and diffusion?
Osmosis refers to the movement of any particles, while diffusion specifically refers to the movement of water.
Osmosis is a type of diffusion that occurs only in gases.
Osmosis specifically refers to the movement of water, while diffusion refers to the movement of any particles.
Osmosis and diffusion are the same processes with no differences.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is a semi-permeable membrane?
A barrier that allows all substances to pass through without restriction.
A barrier that allows certain substances to pass through while blocking others.
A solid wall that prevents any substance from passing through.
A flexible membrane that can change its permeability based on temperature.
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