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Diffusion /Osmosis

Total questions: 30

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

What best explains why the gummy bear in distilled water became larger than the gummy bear placed in salt water?

a)

The color of the gummy bears were different

b)

The distilled water and salt water had the same concentration

c)

The distilled water had a higher of water concentration to begin with

2.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
3.

Passive Transport is the movement of particles across the membrane from an area of [ ___ ] to an area of [ ___ ]

a)

high to low

b)

low to high

c)

low to low

d)

high to high

4.

What is DIFFUSION?

a)
b)
c)
d)
5.

What is a solute?

a)

A substance dissolved in another substance

b)

the substance doing the dissolving

6.
An increase in temperature does what to diffusion?
a)
Speeds it up
b)
Slows it down
c)
Has no effect
d)
I wish i knew. Really I do.
7.

The water went into the gummy bear because of what?

a)

heat

b)

osmosis

c)

liquid

8.
Which tool measures liquid volume?
a)
Test tube
b)
Beaker
c)
Graduated cylinder
9.

In the cell pictured, where would water move? 

a)

Into the cell, causing it to swell

b)

Out of the cell, causing it to shrink

c)

In and out of the cell equally, causing the shape to stay the same

10.

In the cell pictured, which way would water move?

a)

Into the cell, causing the cell to swell

b)

Out of the cell, causing the cell to shrink

c)

In and out of the cell equally, keeping the shape the same

11.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
12.
In which case would a cell most likely shrink?
a)
when placed in a solution containing a high salt concentration
b)
when placed in a isotonic solution
c)
when placed in a solution containing a low pH
d)
when placed in a solution containing distilled water
13.
Equilibrium?
a)
a large  amount of substance on  side of the cell and a small amount on the other side
b)
a small  amount of substance on  side of the cell and a large amount on the otherside
c)
equal amount of substance on either side of the membrane  
d)
no particles on either side of the a cell membrane
14.

A gummy bear placed in water for 24 hours would most likely...

a)

expand

b)

shrink

c)

stay the exact same size

15.

Which statement best describes how molecules move during DIFFUSION?

a)

They move from an area of HIGH concentration to an area of LOW concentration.

b)

They move from an area of LOW concentration to an area of HIGH concentration.

c)

They move closer together.

d)

None of the above

16.

In active transport, particles are moving from _________ to ___________.

a)

Low to high

b)

High to low

c)

there is no movement.

17.
The "power plant" of the cell that produces energy. 
a)
Mitochondria
b)
Cytoplasm
c)
Centrioles
d)
Lysosomes
18.
All living things are made of...
a)
atoms 
b)
cells 
c)
bacteria 
d)
plants 
19.
Which part of the microscope controls the amount of light available?
a)

coarse focus

b)
diaphragm
c)
objective lens
d)
revolving nosepiece
20.
What will be the total magnification if ocular lens is 10X and objective lens is 4X?
a)
4X
b)
40X
c)
10X
d)
100X
21.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
pipette
22.

What is the purpose of using a stain on the slide for observing animal cells?

a)

To make the cells more visible

b)

To avoid staining the microscope

c)

To remove the stain from the slide

d)

To prepare for observing plant cells

23.

Based on your observations, how are plant and animal cells different?

a)

Plant cells have a cell wall, while animal cells do not

b)

Plant cells have a nucleus, while animal cells do not

c)

Plant cells have cytoplasm, while animal cells do not

d)

Plant cells have a cell wall, nucleus, and cytoplasm, while animal cells do not

24.

The DNA of these cells is found in the Nucleus

a)

Prokaryotic

b)

Eukaryotic

c)

Both

25.

What are the tiny green structures in this slide?

a)

ribosomes

b)

lysosomes

c)

chloroplast

d)

aquatiic plant cell

e)

onion cells

26.

What color was Mr. Mancini's tie on Monday?

a)

Red and Blue

b)

Gray

c)

Black and White

d)

He wore no tie on Monday

e)

Mr. Mancini was absent on Monday

27.

What type of solution is shown in the picture?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

28.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
29.
This egg has shrunk, what type of solution was it placed in?
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
30.

Stem cells are ____________________.

a)

cells that grow uncontrollably

b)

undifferentiated cells that can turn into other types of cells

c)

the first cells of a new living organism (fertilized egg)

d)

specialized cells that do one job