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Diffusion and Osmosis

Total questions: 19

Worksheet time: 7mins

Name
Class
Date
1.

A mixture that forms when one substance dissolves another.

a)

concentration gradient

b)

solution

c)

solute

d)

solvent

2.

When making a glass of Tang, the solute is the

a)

water

b)

Tang

3.

In the ocean, the solvent is the

a)

water

b)

salt

4.

The best term to describe the distribution of molecules in the picture is

a)

equilibrium

b)

isotonic

c)

concentration gradient

d)

homeostasis

5.

During diffusion, molecules will move

a)

from a low to high concentration

b)

equally in all directions

c)

from a high to low concentration

d)

only when supplied with energy

6.

Check all forms of cell transport that do NOT require energy

a)

diffusion

b)

facilitated diffusion

c)

active transport

d)

osmosis

7.

When diffusion takes place through a protein channel

a)

osmosis

b)

facilitated diffusion

c)

diffusion

d)

active transport

8.

Check all factors that have an effect on the rate of diffusion

a)

temperature

b)

concentration gradient

c)

surface area

d)

energy supply

9.

Molecules at a higher temperature will diffuse ___ as compared to molecules at a lower temperature.

a)

faster

b)

slower

c)

at an equal rate

10.

At equilibrium, all molecules stop moving as they are now balanced.

a)

True

b)

False

11.

The diffusion of water across a selectively permeable membrane is

(a)  

12.

Having a higher concentration of solute

a)

hypertonic

b)

hypotonic

c)

isotonic

13.

The 2% salt solution in the beaker is _____ as compared to the 10% salt solution inside the cell.

a)

hypertonic

b)

hypotonic

c)

isotonic

14.

When placed in a hypertonic solution, an animal cell will

a)

shrink

b)

swell and burst

c)

remain the same

15.

In which type of solution will a cell experience no overall change in size or shape?

a)

hypertonic

b)

hypotonic

c)

isotonic

16.

A plant cell will experience plasmolysis when placed in this type of solution

a)

hypertonic

b)

hypotonic

c)

isotonic

17.

A red blood cell will experience cytolysis (become lysed) in this type of solution

a)

hypertonic

b)

hypotonic

c)

isotonic

18.

A turgid plant cell is very full of water, which happens in this type of solution

a)

hypertonic

b)

hypotonic

c)

isotonic

19.

If a person consumes salt water, they will

a)

become dehydrated

b)

become bloated (swollen)

c)

remain the same