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Diffusion

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Science

6th Grade

Used 20+ times

Diffusion
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Can diffusion occur in solids?

Yes, diffusion occurs rapidly in solids.

No, diffusion cannot occur in solids.

Yes, diffusion occurs primarily in liquids and gases, but it can happen in solids at very slow rates.

Diffusion occurs only in gases and not in liquids or solids.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is passive transport?

The movement of substances across a cell membrane without the use of energy, often through diffusion.

The active movement of substances against their concentration gradient using energy.

The process of engulfing substances into the cell through vesicles.

The movement of water across a selectively permeable membrane.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the role of diffusion in the human body?

Diffusion allows for the exchange of gases (like oxygen and carbon dioxide) in the lungs and the absorption of nutrients in cells.

Diffusion is responsible for the production of hormones in the endocrine system.

Diffusion helps in the movement of blood through the circulatory system.

Diffusion is the process of breaking down food in the digestive system.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What happens to diffusion when a barrier is introduced?

Diffusion continues at the same rate regardless of the barrier.

Diffusion is limited to the areas on either side of the barrier until equilibrium is reached.

Diffusion stops completely until the barrier is removed.

Diffusion occurs faster due to the presence of the barrier.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What effect does an increase in temperature have on diffusion?

An increase in temperature slows down diffusion.

An increase in temperature has no effect on diffusion.

An increase in temperature speeds up diffusion.

An increase in temperature causes diffusion to stop.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which gases move into and out of the blood at the lungs by diffusion?

Nitrogen and Argon

Oxygen and Carbon Dioxide

Hydrogen and Helium

Methane and Ammonia

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How does diffusion relate to cell function?

Diffusion is essential for cells to obtain nutrients and remove waste products.

Diffusion is the process by which cells divide and replicate.

Diffusion helps in the synthesis of proteins within the cell.

Diffusion is responsible for the movement of organelles within the cell.

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