TEST CELLS ANSWER KEY
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
ALTMC, NCFC, CBUSFLT
B
A
C
B
C
D
B
D
A
A
B
CS
FP
EO
DN
BT
HU
IM
KR
GQ
C
C
B
D
A
C
C
B
C
BONUS
NITROGEN, OXYGEN, CARBON, HYDROGEN, PHOSPHORUS, POTASSIUM, CALCIUM
TEST: CELLS
1. Write out the Cell Theory.
a. _________________________________________________________________________________________.
b. _________________________________________________________________________________________.
c. _________________________________________________________________________________________
_________________________________________________________________________________________.
2.
a.
b.
c.
d.
The concentration of solutes inside a cell is 65%. What would happen if you placed the cell into a 30% salt solution?
the cell would shrivel
the cell would swell
there would be no change to the cell
the salt in the cell would leak out
3.
In which direction will osmosis occur – into or out of the cell? (Dark is more concentrated than light.)
a. osmosis will be into the cell
b. osmosis will be out of the cell
c. osmosis will be both into and out of the cell equally
d. osmosis will not occur
4.
a.
b.
c.
d.
Which of the following two structures would not be found together in/on a cell?
chloroplast and mitochondria
cell wall and cell membrane
large vacuole and flagella
nucleolus and nucleus
5.
a.
b.
c.
d.
Which of the following is a difference between eukaryotic and prokaryotic cells?
Eukaryotic cells don’t have a cell wall.
Prokaryotic cells don’t have a nucleus.
Prokaryotic cells don’t have ribosomes.
Eukaryotic cells are unable to perform photosynthesis.
6. Which of the following best illustrates a virus that might cause ebola?
A.
B.
C.
D.
7. Tom was playing soccer with the team. When he came off the field he was hot and thirsty. His coach gave him a cool
towel to put around his neck and a bottle of water to drink. This action demonstrates which life function?
a. hydrology
b. hydration and warming
c. dehydration and cooling
d. homeostasis
8.
a.
b.
c.
d.
What type of transport would a cell use to bring a large amount of nutrients into the cell?
exocytosis
endocytosis
active transport
diffusion
9. A cell has too much sodium and not enough potassium. Sodium and potassium are moved in and out of the cell by a
pump requiring energy to work. What type of transport is this?
a. passive transport
b. facilitated transport
c. simple diffusion
d. active transport
10. What type of transport would a cell use to move particles against a concentration gradient?
a. active transport
b. facilitated diffusion
c. exocytosis
d. diffusion
11. Which of the following substances is not required by plants for photosynthesis?
a. oxygen
b. water
c. carbon dioxide
d. electromagnetic waves
12. Which of the following is the pigment used in photosynthesis?
a. chloroplast
b. chlorophyll
c. chlorine
d. melanin
For each organelle shown in the illustrations below, write the letter corresponding to the name and the letter
corresponding to the function. (You will write two letters on each line.)
Structure Name (Select one for each
numbered structure). Some answers may
be not be used at all.
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
16.
17.
18.
21.
20.
19.
22. The equation for photosynthesis is
a. C6H12O6 + 6CO2 => 6O2 + 6H2O + Energy
b. C6H12O6 + 6O2+ Energy => 6CO2+ 6H2O
c. 6CO2+ 6H2O + Energy => C6H12O6 + 6O2
d. 6O2 + 6H2O + Energy => C6H12O6 + 6CO2
23. Which of the following factors would NOT limit Photosynthesis?
a. the amount of carbon dioxide available
b. the amount of water available
c. the amount of oxygen available
d. the amount of sunlight available
Nucleus
Nucleolus
Central vacuole
Lysosome
Cell wall
Chloroplast
Mitochondrion
Ribosome
Golgi Apparatus
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Structure Name (Select one for each
numbered structure). Some answers may
be not be used at all.
M. folds proteins
N. breaks down materials
O. provides structure for the cell
P. site of photosynthesis
Q. site of cellular respiration
R. makes membranes
S. stores water
T. makes ribosomes
U. makes proteins
24. What is the primary purpose of cellular respiration?
a. to make food for plants
b. to make energy for plants and animals
c. to make food for animals
d. to make oxygen for animals
25. What molecule is used to carry oxygen in the blood?
a. carbon dioxide
b. methane
c. oxygen
d. hemoglobin
26. Which of the following statements is true of ATP?
a. ATP stands for adenosine triphosphate and energy is released when the phosphate tail is broken.
b. ATP stands for amino triple phosphate and energy is stored when the phosphate heads are broken.
c. ATP stands for adenosine diphosphate and energy is stored when the phosphate tail is reassembled.
d. ATP stands for amino acid phosphates and energy is released when the phosphate tail is broken.
27. Which of the following is NOT associated with fermentation?
a. anaerobes
b. lack of oxygen
c. presence of oxygen
d. cellular respiration
28. What is the relationship between the chemical equations for photosynthesis and cellular respiration?
a. the products of one are also the products of the other
b. the reactants of one are also the reactants of the other
c. the products of one are the reactants of the other
d. they all have energy as a reactant
29. What molecule is broken during glycolysis?
a. carbon dioxide
b. glucose
c. oxygen gas
d. water
30. Where does glycolysis occur?
a. in the mitochondrion
b. in the chloroplast
c. in the cytoplasm
d. in the ER
BONUS: List 5 of the seven elements most commonly needed by plants.