Biology Ch 3 Test
Name__________________
1. Label each either a plant cell or an animal cell. Choose 8 organelles and give the name
and function of the organelle. Then match the organelle with an analogy from a town.
And then describe why you chose that analogy. (64 pts)
a. Analogies
i.
Mayor
Grass
Solar panel field
Grocery store
Car Factory
Post office
School
Garbage trucks
City limits
Toll Booths
Power plant
Water tower
City dump
Warehouse
Construction worker
Organelle
a.
b.
c.
d.
e.
f.
g.
Name
Function
Analogy
Reason
Organelle
h.
i.
j.
k.
l.
m.
n.
o.
Name
Function
Analogy
Reason
p.
2. How are cells able to respond to signals that are too large to enter the cell? Name and
describe this process. (4pts)
3.
What is the key difference between facilitated diffusion and diffusion across the
membrane? (4pts)
4. Define osmosis; use the words: molecules, low, high, concentration, move, and water.
(8pts)
5. Answer all the questions about osmosis (9pts)
a. What are three types of solutions that a cell can be in?
b. What is happening in each in relation to the movement of water?
c. What is happening to the size of the cells?
6. Under what conditions would a cell need to go through active transport? (3 pts)
7. What is the difference between prokaryotes and eukaryotes? (4pts)
8. What are the three statements that make up the cell theory? (6 pts)
9.
Explain what mitochondria and chloroplasts do and why evidence suggests that they
might have descended from a free-living prokaryote? (6pts)
10. Bonus
Give the term for the theory mentioned in question 9 and the three pieces of evidence
that the video discussed. 5 Bonus points