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WorksheetsDiffusion & Osmosis
Total questions: 10
Worksheet time: 5mins
Which of the following are examples of diffusion in everyday life?
Smell of perfume across the room
Placing a teabag in a glass of water
Red ink on a shirt
Water droplets on a cold surface
Which of the following are examples of diffusion in living organisms?
Entry of oxygen and glucose into cells
Entry of carbon dioxide through the stomata during photosynthesis
Release of carbon dioxide through the stomata during respiration
Diffusion is the ________ movement of molecules from a region of _________________ concentration to a region of _________________ concentration.
net; lower; higher
net; higher; lower
combined; lower; higher
combined; higher; lower
Diffusion can occur with or without a partially permeable membrane.
True
False
What is the property(characteristic) of the cell surface membrane?
fully permeable
partially permeable
semi permeable
selective permeable
Look at the set-up below. What will you see after 30 minutes?
The iodine solution outside the Visking tubing turns blue black.
The starch solution turns blue black.
Both the iodine and starch solution turns blue black.
Osmosis is the ________ movement of ___________ molecules from a region of _________________ water potential to a region of __________________ water potential.
combined; water; higher; lower
combined; air; higher; lower
net; water; higher; lower
net; air; higher; lower
Which has the highest water potential?
concentrated salt solution
dilute salt solution
water
Which has the lowest water potential?
concentrated sugar solution
dilute sugar solution
water
What will happen to the level of the liquid in the Visking tubing after 30 minutes?
The level rises.
The level drops.
The level remains the same.
