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WorksheetsCh.8 Photosynthesis
Total questions: 73
Worksheet time: 18hrs 32mins
Name
Class
Date
1.
What organelle is responsible for photosynthesis in plants and algae?
a)
Mitochondria
b)
Chloroplast
c)
Chlorophyll
d)
Lysosome
2.
What is the fluid-filled space that contains enzymes for the light-independent reactions called?
a)
Stroma
b)
Thylakoids
c)
Chloroplast
d)
Chlorophyll
3.
What are stacks of flattened sacs that contain the pigment chlorophyll called?
a)
Chlorophyll
b)
Stroma
c)
Chloroplast
d)
Thylakoids
4.
What is the site of the light-dependent reactions?
a)
Stroma
b)
Chloroplast
c)
Thylakoids
d)
Chlorophyll
5.
Which of the following is a product of the Calvin cycle?
a)
ATP
b)
glucose
c)
oxygen
d)
water
6.
In addition to sunlight, what else is required for photosynthesis to take place?
A: sugar and water
B: water and oxygen
C: carbon dioxide and water
D: oxygen and carbon dioxide
A: sugar and water
B: water and oxygen
C: carbon dioxide and water
D: oxygen and carbon dioxide
a)
carbon dioxide and water
b)
sugar and water
c)
oxygen and carbon dioxide
d)
water and oxygen
7.
How many reactions take occur in the process of photosynthesis?
a)
1
b)
2
c)
3
d)
4
8.
What are the products the light dependent reaction?
a)
ATP
b)
NADPH
c)
ATP & NADPH
d)
glucose
9.
What happens to sunlight in photosynthesis?
a)
It's converted to chemical energy and stored
b)
It's stored then converted to chemical energy
10.
Which group of reactions is responsible for the photo in photosynthesis?
a)
light dependent reactions
b)
light independent reactions
c)
calvin cycle
d)
dark reactions
11.
The reactants of photosynthesis are
a)
CO2 , H2O and light
b)
CO2 , H2 and light
c)
C , O2 and light
d)
CO2 ,H2 and light
12.
During photosynthesis, carbon dioxide is used to make sugars in the
a)
thylakoids.
b)
light-dependent reactions
c)
electron transport chain.
d)
Calvin cycle.
13.
Chlorophyll is important in the
a)
formation of ADP from NADP+
b)
reactions of the Calvin cycle.
c)
absorption of light energy.
d)
formation of carbon dioxide.
14.
The major products of the light-dependent reactions are
a)
oxygen and water.
b)
ATP only
c)
carbon dioxide and water.
d)
ATP and sugars.
15.
In what reaction is water spilt to release electrons, H+ ions, and oxygen (O2)?
a)
light independent
b)
light dependent
c)
Calvin cycle
16.
The release of energy in an organism depends on the conversion of
a)
AMP to ADP.
b)
ADP to AZP
c)
ATP to ADP.
d)
ADP to ATP.
17.
In which of the following structures do the light-independent reactions take place?
a)
nucleus
b)
matrix
c)
cristae
d)
stroma
18.
Which of the following is light-dependent reactions of photosynthesis
a)
produces oxygen gas
b)
uses CO2
c)
splits water molecules
d)
requires ATP and NADPH to start the reaction
19.
Which of the following is no true of light-dependent reactions of photosynthesis
a)
produce O2 gas
b)
splits water
c)
does not need sunlight
d)
creates ATP & NAPDH
20.
Photosynthesis takes place in the membranes of small sacs called
a)
photosystems
b)
grana
c)
thylakoids
d)
photons
21.
During what stage of photosynthesis is O2 produced?
a)
cyclic phosphorylation
b)
Calvin cycle
c)
O2 is not produced during photosynthesis
d)
the light dependent reaction
22.
The pigment molecules responsible for photosynthesis are located in the
a)
mitochondria
b)
thylakoid membrane of the chloroplast
c)
stroma of the chloroplast
d)
cytoplasm of the cell
23.
Chlorophyll absorbs _______________ light and reflects _____________ light.
a)
blue, red, yellow ; green
b)
blue, yellow; red
c)
blue, red; green
d)
blue, red, yellow; orange
24.
During what stage of photosynthesis are ATP and NADPH converted to ADP and NADP+?
a)
Light dependent reaction
b)
Calvin Cycle
25.
What energy-rich organic compound is produced as a result of the Calvin cycle?
a)
ATP
b)
NADPH
c)
Glucose
d)
H20
26.
During photosynthesis, sunlight raise electrons to higher energy levels. These excited electrons belong to what compound?
a)
H20
b)
ATP
c)
CO2
d)
glucose
27.
Which of the following occurs during the light-dependent reactions of plants?
a)
electron transport from PS II to PS I
b)
pumping hydrogen ions into the thylakoid memebrane
c)
splitting water
d)
all of the above
28.
The oxygen that is released as O2 during photosynthesis came from _____________ molecules.
a)
carbon dioxide
b)
chlorophyll
c)
glucose
d)
water
29.
Which of the following statements about photosynthesis is true?
a)
the light-dependent reactions can occur only in the light, the light-independent reactions only in the night time
b)
Light dependent reactions produce energy-rich compounds that are used to run the light- independent reactions
c)
photorespiration is more efficient at producing glucose than is photosynthesis
d)
all of the above
30.
Light-driven electron transport in the chloroplast pumps H+ into the thylakoid membrane space to make ATP using diffusion.
a)
True
b)
False
31.
CO2 fixation occurs within the stroma.
a)
True
b)
False
32.
CO2 is needed to start both the light dependent reaction and light independent reactions.
a)
True
b)
False
33.
Another name for the light independent reaction is the Calvin Cycle.
a)
True
b)
False
34.
The Calvin cycle is another name for the ___________________ reaction.
a)
light dependent
b)
light independent
35.
If you know the absorption spectrum of a pigment, you can predict the color of the plant.
a)
True
b)
False
36.
Light is required for the light dependent reactions because
a)
it is the source for electrons
b)
it splits the water molecule
c)
it energizes electrons in the reaction center
d)
splits ATP molecules which generates the energy necessary to power the light independent reactions
37.
Flattened sacs of internal membranes associated with photosynthesis are called
a)
chloroplasts
b)
Photosystems
c)
thylakoids
d)
stroma
38.
Molecules that absorb light are called
a)
pigments
b)
enzymes
c)
prote
39.
Molecules that absorb light are called
a)
pigments
b)
enzymes
c)
absorbers
d)
electron carriers
40.
The dark reactions of photosynthesis are those that
a)
Convert chlorophylls into enzymes.
b)
Convert enzymes into chlorophylls.
c)
Convert water into hydrogen and oxygen.
d)
Convert CO2 , ATP , NADPH into glucose
41.
In which part of the chloroplasts are the Calvin cycle enzymes located?
a)
cristae
b)
grana
c)
stroma
d)
thylakoid
42.
The photosynthetic electron transport causes the accumulation of protons(H+ ) in which part of the chloroplast?
a)
matrix
b)
stroma
c)
outer membrane
d)
thylakoid membrane space
43.
What products of light reactions of photosynthesis are used in the Calvin cycle?
a)
oxygen & protons
b)
carbon dioxide and water
c)
glucose & oxygen
d)
ATP & NAADPH
44.
What is the overall product produced by photosynthesis?
a)
oxygen
b)
glucose
c)
all of the above
d)
none of the above
45.
Students in Mr. Mohn's 8th hour biology class did an experiment with aquatic plants to investigate the effect of temperature on the rate of photosynthesis. They obtained the following results.
Which of the following is a reasonable conclusion that can be drawn from the results of this experiment?
Which of the following is a reasonable conclusion that can be drawn from the results of this experiment?
a)
Temperature has no effect on photosynthesis.
b)
Low temperatures speed up the process of photosynthesis.
c)
This aquatic plant functions more efficiently with low levels of carbon dioxide.Photosynthesis in this aquatic plant occurs more efficiently at 30° C than at 10° C.
46.
Water is a necessary ingredient for photosynthesis.
a)
True
b)
False
47.
What is the green pigment responsible for capturing the light energy used by photosynthesis?
a)
chlorophyll
b)
carotene
c)
xanthophyll
d)
anthocyanin
48.
In what cell structure does photosynthesis take place?
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
ribosome
49.
________________ is the process through which plants convert light energy to chemical energy in order to produce food.
a)
cell respiration
b)
photosynthesis
c)
electron transport chain
d)
ATP
50.
Which of the following can only take place when light is present?
a)
glycolysis
b)
aerobic respiration
c)
light-dependent reactions
d)
light-independent reactions
51.
An example of an autotroph would be a tiger.
a)
True
b)
False
52.
Heterotrophs are different from autotrophs because
a)
they can make their own food
b)
they produce all of the food available on earth
c)
they cannot make their own food
d)
they are called producers
53.
Which of the following is the correct equation for photosynthesis?
a)
Oxygen+Carbon Dioxide+Light Energy->Glucose+Water
b)
Oxygen+Carbon Dioxide+Light Energy->Glucose+ ATP
c)
Oxygen+Carbon Dioxide+Light Energy->Glucose+ oxygen
d)
Oxygen+Carbon Dioxide->Glucose + oxygen
54.
What disc-shaped structure inside the chloroplast contains the pigment chlorophyll?
a)
stroma
b)
granum
c)
golgi body
d)
thylakoid
55.
A stack of thylakoids is called_____.
a)
grana
b)
stroma
c)
pancakes
d)
thylakoids
56.
Oxygen gas is given off to the surroundings by photosynthetic organisms.
a)
True
b)
False
57.
Chlorophyll is green because
a)
it absorbs green wavelengths
b)
of an optical illusion caused by transmitted light
c)
it reflects green wavelengths of light
d)
it absorbs blue and yellow wavelengths, which makes green
58.
Most of the energy used by life on Earth comes from the
a)
rotation of the Earth
b)
water
c)
moon
d)
sun
59.
Which of the following do not carry out photosynthesis?
a)
plants
b)
some bacteria
c)
animals
d)
algae
60.
In the image, what is #1 referring to?
a)
stroma
b)
thylakoid
c)
grana
d)
chloroplast
61.
In the image, what is #2 referring to?
a)
stroma
b)
thylakoid
c)
grana
d)
chloroplast
62.
In the image, what is #3 referring to?
a)
stroma
b)
thylakoid
c)
grana
d)
chloroplast
63.
The organelle in the image is ________.
a)
the site of photosynthesis
b)
a chloroplast
c)
all of the above
d)
only found in plants
64.
An example of an autotroph would be a
a)
lion
b)
shrub
c)
shrew
d)
hawk
65.
An example of a heterotroph is
a)
grass
b)
tree
c)
algae
d)
squirrel
66.
Energy is released from ATP when the bond between the second and third phosphate is broken.
a)
True
b)
False
67.
In the ATP molecule which letter represents the phosphate groups?
a)
A
b)
B
c)
C
68.
In the ATP molecule which letter represents the ribose sugar?
a)
A
b)
B
c)
C
69.
In the ATP molecule which letter represents the adenine base?
a)
A
b)
B
c)
C
70.
In the ATP molecule which letter represents where the energy comes from?
a)
A
b)
B
c)
C
71.
6CO2 + 6H2O+ light --> ___________ + 6O2
a)
C₆H₁₂CO₆
b)
C6H6O6
c)
C₆H₁₂O₆
d)
C3H12O6
72.
ACO2 + BH2O+ light --> C6H12O6 + 6O2
a)
A=3
B=6
B=6
b)
A=6
B=3
B=3
c)
A=2
B=4
B=4
d)
A=6
B=6
B=6
73.
6 CO₂ + 6 H₂O + light --> C₆H₁₂O₆ + ________
a)
O2
b)
CO2
c)
6CO2
d)
6O2
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