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WorksheetsBiology-Chapter 9 test
Total questions: 67
Worksheet time: 4hrs 31mins
Name
Class
Date
1.
The calvin cycle requires what substances from the light reaction?
a)
CO2 and Water
b)
light and CO2
c)
ATP and NADPH
d)
glucose and O2
2.
ATP is made during the light reaction using all of the following EXCEPT
a)
proton pump
b)
hydrogen ion gradient
c)
electron energy from photosystem II
d)
NADPH donating electrons
3.
Photosystems are made of
a)
chloroplasts
b)
chromosomes
c)
chlorophyll
d)
cytoplasm
4.
If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light reaction?
a)
NADPH
b)
ATP
c)
Water
d)
Oxygen gas
5.
Rubisco is important in which step of photosynthesis
a)
energizing the electrons in chlorophyll
b)
carbon fixation when CO2 is connected to RUBP during calvin cycle
c)
regeneration phase as RUBP is made during calvin cycle
d)
reduction of the carbon chain during the calvin cycle
6.
Photosynthesis goal is to
a)
convert light energy into glucose energy
b)
use light energy to make oxygen gas
c)
convert sugar energy into ATP
d)
convert sugar energy into oxygen gas
7.
Plants use the following reactants for the light reaction
a)
Water and CO2
b)
Water and NADPH
c)
Water and NADP+
d)
NADPH and ATP
8.
Green plants reflect ________ light.
a)
Red
b)
Green
c)
All
d)
Red and Violet
9.
__________ is a stack of thylakoids
a)
Granum
b)
Stomata
c)
Stroma
d)
Chloroplast
10.
The light reactions occur in the ________ and the dark reactions take place in the ________.
a)
Chloroplast / thylakoid membrane
b)
stroma / thylakoid
c)
mesophyl / stomata
d)
thylakoid membrane / stroma
11.
This image shows the process of _____.
a)
Respiration
b)
Photosystem I
c)
Dark Reactions
d)
Photosynthesis
12.
What is represented by "E" in this image?
a)
ATP
b)
NADPH
c)
Light Energy
d)
Glucose
13.
Where does the carbon come from that is used to form glucose?
a)
The soil
b)
CO2 in the air
c)
From other carbohydrates
d)
Calvin Cycle
14.
Where is glucose synthesized
a)
Photosystem II
b)
Photosystem I
c)
Calvin Cycle
d)
Glycolysis
15.
Since we're building a carbohydrate in the Calvin Cycle, is the process endergonic or exergonic and why?
a)
Endergonic because carbohydrate production is catabolic
b)
Exergonic because carbohydrate production is anabolic
c)
Endergonic because carbohydrate production is anabolic.
d)
Exergonic because carbohydrate production is catabolic
16.
Organisms, such as plants, that make their own food are called
a)
autotrophs
b)
heterotrophs.
c)
thylakoids.
d)
pigments.
17.
Energy is released from ATP when
a)
a phosphate group is added.
b)
adenine bonds to ribose.
c)
ATP is exposed to sunlight.
d)
a phosphate group is removed.
18.
Photosynthesis uses sunlight to convert water and carbon dioxide into
a)
oxygen.
b)
high-energy sugars and starches.
c)
ATP and oxygen.
d)
oxygen and high-energy sugars and starches.
19.
Most plants appear green because chlorophyll
a)
does not absorb green light.
b)
reflects violet light.
c)
absorbs green light.
d)
none of the answers
20.
In which eukaryotic organelles does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
21.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
22.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
23.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
24.
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
25.
Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
26.
Which of the following best describes photosynthesis?
a)
Photosynthesis converts radiant energy into chemical energy.
b)
Photosynthesis produces carbohydrates.
c)
Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
d)
Plants use chlorophyll, water, and carbon dioxide to make sugar.
27.
Which of the following is NOT a product of the light reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
28.
What does ATP synthase do?
a)
Create ATP in chemiosmosis.
b)
Break down ATP in chemiosmosis.
c)
Break down NADPH.
d)
Create NADPH.
29.
Where is chlorophyll found in the chloroplast?
a)
in the stroma
b)
within photosystems
c)
in the ATP synthase
d)
in the electron carrier molecule
30.
What supplies the electrons that are lost in photosystem I (PSI)?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
31.
Chlorophyll absorbs _____ and _______ light from the light.
a)
purple and green
b)
red and blue
c)
black and orange
d)
yellow and green
32.
What is the function of NADP+?
a)
It absorbs light
b)
It is an electron carrier
c)
It is a light-reflecting pigment
d)
It acts as long-term energy storage
33.
Which substance from the light-dependent reactions of photosynthesis is a source of energy for the light-independent reactions?
a)
ADP
b)
H2O
c)
NADPH
d)
pyruvic acid
34.
What is the ultimate source of energy for life on Earth?
a)
glucose
b)
sunlight
c)
ATP
d)
H2O
35.
What is the purpose of splitting water in PS2 of the light dependent reaction?
a)
Provides e- for PS2 and H+ for the thylakoid space
b)
To produce Oxygen for animals
c)
There is no purpose
36.
It is important to create a concentration of H+ in the thylakoid space so that the H+ can diffuse through_________ to create ______.
a)
ATP synthase, ATP
b)
NADH, NADPH
c)
proton pump, protons
37.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
38.
Where are photosystems located?
a)
thylakoid space
b)
thylakoid membrane
c)
central vacuole
d)
stroma
39.
What supplies the electron that is lost in PS II?
a)
oxygen
b)
water
c)
glucose
d)
rubisco
40.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
41.
What is the main purpose of the light reactions?
a)
To provide the energy and electrons for the calvin cycle
b)
To capture energy and make sugar
c)
To reflect green light
d)
To make sugars
42.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
c)
ribosomes
d)
vacuoles
43.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
44.
What is the main chemical compound that stores and releases energy?
a)
ATP
b)
Cytoplasm
c)
PTP
d)
Oxygen
45.
Stacks of disk shapes that contain chlorophyll within the chloroplast are
a)
stroma
b)
mitochondria
c)
thylakoids
d)
ribosomes
46.
The light-dependent reaction takes place in the
a)
mitochondria
b)
thylakoids
c)
ribosomes
d)
stroma
47.
What gas does the process of photosynthesis release into the atmosphere?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
48.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
49.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
50.
Both cyclic and non-cyclic electron flow result in the production of ATP.
a)
True
b)
False
51.
The Calvin Cycle uses the products from the _________
a)
dark reaction
b)
calvin cycle
c)
light reaction
52.
What does carbon combine with to form glucose?
a)
NADPH
b)
ATP
c)
RuBP
d)
G3P
53.
How many G3P molecules make one molecule of glucose?
a)
1
b)
2
c)
3
d)
4
54.
Where do the dark reactions take place?
a)
thylakoid membrane
b)
lumen
c)
stroma
55.
What does NADPH do?
a)
carries electrons to the Calvin cycle
b)
carries electrons to the ETC
56.
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
57.
What is the product of the Calvin Cycle?
a)
Rubisco
b)
Glyceraldehyde 3-Phosphate (G3P)
c)
Oxygen
d)
Starch
58.
Cacti and pineapples are examples of plants that carry out the _____ pathway in photosynthesis.
a)
CAM
b)
C4
c)
C3
59.
Corn and sugarcane are examples of plants that carry out the _____ pathway in photosynthesis.
a)
CAM
b)
C4
c)
C3
60.
Which enzyme joins CO2 and RuBP?
a)
NADP+ reductase
b)
rubisco
c)
ATP synthase
61.
Where do NADP+ and ADP produced in the Calvin cycle go?
a)
Back to the light reactions
b)
out of the chloroplast
62.
The main problem encountered by C3 plants in hot conditions is:
a)
Transpiration
b)
PhotoRespiration
c)
Dehydration
d)
Starvation
63.
Carbon fixation in CAM plants occurs during the:
a)
Day
b)
Night
64.
The main advantage of C4 Photosynthesis is the ability to avoid:
a)
Transpiration
b)
Photorespiration
c)
Photosynthesis
d)
Signal Transduction
65.
The loss of H2O through stomata is referred to as:
a)
Transpiration
b)
Respiration
c)
Evaporation
d)
Photorespiration
66.
What is the energy conversion during photosynthesis?
a)
chemical --> light
b)
thermal --> electrical
c)
chemical --> electrical
d)
light --> chemical
67.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
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