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WorksheetsHonors_Bio_Photosynthesis_Review
Total questions: 45
Worksheet time: 39mins
Name
Class
Date
1.
In which eukaryotic organelles does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
2.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
3.
Chlorophyll absorbs a higher percentage of _____ and _______ light.
a)
purple and green
b)
red and blue
c)
black and orange
d)
yellow and green
4.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
5.
The reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
6.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
7.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
8.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
9.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2
10.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
11.
Where do the light-dependent reactions occur?
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
12.
What is the primary function of the light-dependent reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To produce RuBP
13.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
14.
What is the function of NADPH and ATP?
a)
They absorb light
b)
The power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They act as short-term energy storage
15.
Use the diagram to answer the question. Which chemical is an electron carrier molecule?
a)
H2O
b)
carbon dioxide
c)
NADP+
d)
oxygen
16.
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?
a)
The light-dependent stage
b)
The light-independent stage (The Calvin Cycle)
c)
The electron transport chain
d)
ATP formation
17.
How many sugar molecules are produced from every six molecules of carbon dioxide that enter the Calvin cycle?
a)
1
b)
3
c)
6
d)
12
18.
Where does the Calvin Cycle occur?
a)
thylakoid
b)
stroma
c)
lumen
d)
mitochondria
19.
Which of these would be considered a C4 Pathway plant?
a)
cactus
b)
sugar cane
c)
oak tree
d)
aglae
20.
Which of these would be considered a CAM pathway plant?
a)
cactus
b)
corn
c)
elm tree
d)
algae
21.
In the Calvin Cycle, which enzyme helps keep the cycle going?
a)
Hydrolase
b)
Rubisco
c)
Pepsisco
d)
Re-starterase
22.
What supplies the electron that is lost in PS II?
a)
oxygen
b)
water
c)
glucose
d)
rubisco
23.
This molecule helps add a phosphate do a depleted energy molecule.
a)
PS 2
b)
PS 1
c)
Electron Transport Chain
d)
ATP Synthase
24.
After the electron leave PS II, where does it go next?
a)
Electron Transport Chain
b)
NADPH Reductase
c)
PS I
d)
Stroma
25.
What is the first stop in photosynthesis process?
a)
Photosystem I
b)
Photosystem II
c)
Electron Transport Chain
d)
stroma
26.
The little packets of light energy are called
a)
rays
b)
photons
c)
electrons
d)
radiant energy
27.
As electrons move from PS II to PS I, they
a)
gain energy
b)
lose energy
28.
The energy lost by electrons as they move from PS II to PS I is used to
a)
add H+ to NADP to form NADPH
b)
move H+ from the stroma to the thylakoid space
c)
move H+ from the thylakoid space to the stroma
d)
move the electrons to PS I
29.
The H+ concentration gradient is used to
a)
make NADPH
b)
split a water molecule
c)
generate ATP
d)
form water
30.
What is the name of the enzyme involved in ATP production?
a)
ATP synthase
b)
ADP synthase
c)
ATP synthize
d)
ADP synthize
31.
The flat sac (disk) in a chloroplast where photosynthesis takes place
a)
chlorophyll
b)
pigment
c)
thylakoid
d)
Calvin cycle
32.
The gel-like material that surrounds the grana is called ____
a)
lamellae
b)
granum
c)
thylakoid
d)
stroma
33.
Thylakoids are arranged in stacks called ____.
a)
Lamellae
b)
Stroma
c)
Grana
d)
Glucose
34.
When carbon first enters the Calvin cycle, what molecule does it combine with?
a)
PGA
b)
G3P
c)
RuBP
d)
ATP
35.
What is the name of the enzyme that fixes carbon in photosynthesis?
a)
Rubisco
b)
NADPH reductase
c)
Carbon Fixase
d)
Calvinase
36.
What is the product of the Calvin Cycle?
a)
Rubisco
b)
Glyceraldehyde 3-Phosphate (G3P)
c)
Oxygen
d)
Starch
37.
How many carbons does G3P have?
a)
1
b)
2
c)
3
d)
6
38.
TRUE or FALSE. The calvin cycle can happen during the day.
a)
True
b)
false
39.
True or False. The calvin cycle can happen at night.
a)
true
b)
false
40.
The enzyme responsible for Carbon Fixation in C4 Photosynthesis is
a)
RuBisCo
b)
PEP Carboxylase
c)
Hexokinase
d)
Pyruvate DeHydrogenase
41.
The main advantage of C4 Photosynthesis is the ability to avoid:
a)
Transpiration
b)
Photorespiration
c)
Photosynthesis
d)
Signal Transduction
42.
Carbon fixation in CAM plants occurs during the:
a)
Day
b)
Night
43.
All forms of photosynthesis involve the enzyme RuBisCo.
a)
True
b)
False
44.
The main problem encountered by C3 plants in hot conditions is:
a)
Transpiration
b)
PhotoRespiration
c)
Dehydration
d)
Starvation
45.
What happens when Rubisco is in an environment rich with O2?
a)
Plant photosynthesizes as normal.
b)
Plant can not photosynthesize, plant dies.
c)
Plant goes through photorespiration, which limits the production of sugars.
d)
None of these
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