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Review: Photosynthesis

Total questions: 31

Worksheet time: 14mins

Name
Class
Date
1.
Where does Photosystem I get its electrons? 
a)
from Photosystem II
b)
from ETC
c)
from water
d)
from chemiosmosis
2.
What happens in chemiosmosis?
a)
H+ goes through ATP synthase, making ATP
b)
e- are used to make NADPH
c)
e- are used to make ATP
3.
Stacks of these membrane sacks contain chlorophyll within the chloroplast.
a)
thylakoid
b)
grana
c)
stroma
d)
lumen
4.
What does carbon combine with to form glucose? 
a)
NADPH
b)
ATP
c)
RuBP
d)
G3P
5.
How many G3P molecules make one molecule of glucose? 
a)
1
b)
2
c)
3
d)
4
6.
What pigment is used in the light reactions? 
a)
chlorophyll
b)
carotenoids
c)
melanin
7.
Where do the light reactions take place?
a)
thylakoid membrane
b)
stroma
c)
lumen
8.
Where do the dark reactions take place? 
a)
thylakoid membrane
b)
lumen
c)
stroma
9.
Where is the ETC located in photosynthesis?
a)
thylakoid membrane
b)
stroma
c)
lumen
10.
Which of the following is NOT produced in the light reactions? 
a)
NADPH
b)
ATP
c)
Oxygen
d)
Glucose
11.
What are the products of photosynthesis?
a)
oxygen & glucose
b)
oxygen & carbon dioxide
c)
water & glucose
d)
carbon dioxide & water
12.
What does NADPH do? 
a)
carries electrons to the Calvin cycle
b)
carries electrons to the ETC
13.
Where does Photosystem II get its electrons?
a)
photosystem I
b)
splitting of water
c)
ATP
d)
NADPH
14.
What enzyme makes NADPH?
a)
NADP+ reductase
b)
ATP synthase
c)
ferrodoxin
15.
What is a stack of thylakoids called?
a)
lumen
b)
granum
c)
stroma
d)
lamella
16.
Where do the electrons from water go after the ETC?
a)
NADPH
b)
NADH
c)
ATP
d)
ADP
17.
What happens to NADPH and ATP after they are used in the Calvin Cycle?
a)
they recycle back to the light reactions
b)
they are used to make G3P
18.
Where does the energy come from in photosynthesis?
a)
the sun
b)
water
c)
ATP
d)
NADPH
19.
Which reactions happen within the thylakoid membrane?
a)
light reactions
b)
dark reactions
20.
What is represented by the number 16?
a)
thylakoid
b)
stroma
c)
lumen
d)
inner membrane
21.
 During chemiosmosis
a)
Carbon is fixed.
b)
ATP is synthesized from ADP
c)
NADPH is synthesized from NADP+
d)
 Electrons are removed from chlorophyll molecules.
22.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
lumen
d)
mitochondria
23.
The two main stages of photosynthesis are the
a)
light reactions and respiration
b)
dark reactions and the Calvin cycle 
c)
light reactions and the Calvin cycle
d)
dark reactions and fermentation
24.
Which of the following are products of the light reactions that are utilized in the Calvin cycle?
a)
CO2 and glucose
b)
H2O and O2
c)
ADP and ATP
d)
ATP and NADPH
25.
What is the primary function of the light reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To use RuBP
26.
What happens to the remaining G3P molecules in the last step of the dark reactions?
a)
They are used to make glucose.
b)
They are reshuffled to make CO2 by adding ATP.
c)
They exit the cycle.
d)
They are reshuffled to make RuBP by adding ATP. 
27.
In green plants, the primary function of the Calvin cycle is to
a)
Use ATP to release carbon
b)
Split water to release oxygen.
c)
Construct simple sugars from carbon dioxide.
d)
Use NADPH to release carbon
28.
Which of the following is NOT a reactant of the light reactions?
a)
Light
b)
Water
c)
Carbon dioxide
29.
Which of the following is NOT a reactant of the dark reactions?
a)
NADPH
b)
ATP
c)
Oxygen
d)
Carbon dioxide
30.
Which of the following is NOT a product of the dark reactions? 
a)
NADP+
b)
NADPH
c)
ATP
d)
G3P (to form glucose)
31.
Which of the reactions below represents the BALANCED photosynthesis equation?
a)
C6H12O6 + O2 --> H2O + CO2
b)
C6H12O6 + 6 O2 --> 6 H2O + 6 CO2
c)
6 H2O + 6 CO2  -> C6H12O6 + 6 O2
d)
H2O + CO--> C6H12O6 + O2