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Electron Transport Chain Photosynthesis

Total questions: 114

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

Where does the dark reaction or light-independent reaction specifically occur?

a)

thylakoid membrane

b)

Stroma of the chloroplast

c)

Grana

d)

nuclear membrane

2.

Which of the following statements does not describe the light-independent reaction?

a)

aka Calvin cycle

b)

Produce ATP and NADPH

c)

Produce glucose

d)

Occur in the stroma of the chloroplast

e)

Use ATP and NADPH for the reaction

3.
What leaf structure prevents water loss?
a)
spongy mesophyll
b)
cuticle
c)
stoma
d)
phloem
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.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
6.
The stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoid
7.
The interior space of the chloroplast is called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
8.

What is the function of NADPH and ATP?

a)

They absorb light

b)

They power the light-dependent reactions

c)

They are light-reflecting pigments

d)

They are short-term energy carriers

9.

Where does the light-independent reaction take place?

a)

Matrix

b)

Stroma

c)

Thylakoid membrane

d)

Cytoplasm

10.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
11.

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

12.

What happens to the O2 created in the light phase?

a)

Is transferred to the Calvin Cycle

b)

Donates its electrons to the Chlorophyll molecules

c)

Provides a carbon to form the unstable 6-carbon molecule

d)

Diffuses out through the stoma

13.
Where do the enzymatic reactions of the Calvin cycle take place?
a)
stroma of the chloroplast
b)
thylakoid membranes
c)
matrix of the mitochondria
d)
thylakoid space
14.
Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?
a)
CO2 and glucose
b)
H2O and O2
c)
electrons and H+
d)
ATP and NADPH
15.
Where does the Calvin cycle take place?
a)
stroma of the chloroplast
b)
thylakoid membrane
c)
outer membrane of the chloroplast
d)
interior of the thylakoid membrane
16.

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

17.

Which of the following is not needed to start the light reaction?

a)

H2O

b)

ADP + P

c)

CO2

18.

What is the waste product of the light-dependent reaction?

a)

oxygen

b)

water

c)

carbon dioxide

19.
In the ________________________, energy from the sun is used to make ATP 
a)
light-independent reaction
b)
dark reaction
c)
light-dependent reaction
d)
Calvin cycle
20.

Sunlight is used during photosynthesis to:

a)

Break down the xylem

b)

Break down the stomata

c)

Break down the water

d)

Capture the water

21.
The energy required to pump H+ ions into the H ion reservoir comes from the _____________
a)
ATP molecules
b)
Electron Transport Chain
c)
Light 
d)
Thylakoid Membrane
22.
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
23.

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

24.
What supplies the electron that is lost in PS II?
a)
oxygen
b)
water
c)
glucose
d)
rubisco
25.

ATP is formed in the light-dependent reaction by which process?

a)

Chemiosmosis

b)

Photosmosis

c)

Diffusion

d)

Active Transport

26.
What supplies the electrons that are lost in photosystem I (PSI)?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
27.

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

28.

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

29.
Protons move into the thylakoid due to the
a)
concentration gradient in the stroma
b)
  Brownian motion of the protons.
c)
  peer pressure of the cool electrons in the stroma.  
d)
movement of electrons through the electron transport chain
30.
Which of the following is NOT a product of the light reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
31.

Choose the statement that best describes the light reaction.

a)

It converts CO2 to a sugar molecule.

b)

It converts light energy to the chemical energy of ATP and NADPH.

c)

It takes place in the stroma.

32.

Which of the following is not needed to start the light reaction?

a)

H2O

b)

ADP + P

c)

CO2

33.

What is the waste product of the light-dependent reaction?

a)

oxygen

b)

water

c)

carbon dioxide

34.

What is the unit of light?

a)

proton

b)

photon

c)

photosystem

35.
In the ________________________, energy from the sun is used to make ATP 
a)
light-independent reaction
b)
dark reaction
c)
light-dependent reaction
d)
Calvin cycle
36.

Sunlight is used during photosynthesis to:

a)

Break down the xylem

b)

Break down the stomata

c)

Break down the water

d)

Capture the water

37.

The energy required to pump H+ ions into the H+ ion reservoir comes from the _____________

a)

ATP molecules

b)

Electron Transport Chain

c)

Light 

d)

Thylakoid Membrane

38.
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
39.

Water is split during

a)

photosystem 1 of the light dependent reaction

b)

photosystem 2 of the light dependent reaction

c)

Calvin cycle

d)

cell respiration

40.

This molecule is similar to ADP. It carries hydrogen ions.

a)

NADP+

b)

NADPH

c)

ADP+H

d)

ATP-P

41.

What is the process where the energy in light is used to break up a molecule of water?

a)

hydrolysis

b)

photolysis

c)

glycolysis

d)

nicolysis

42.

What does light do when it strikes the chlorophyll molecules of photosystems I and II?

a)

Light causes glucose to be synthesized directly inside the chlorophyll molecules of the photosystems.

b)

Light causes electrons to get excited (gain energy) and travel down the electron transport chain embedded in the thylakoid membrane.

c)

Light causes the conversion of water into carbon dioxide, oxygen, and electrons.

d)

Light directly causes carbon dioxide to attach to RuBP during the carbon fixation stage of the Calvin Cycle.

43.

Sac-like photosynthetic membranes found in chloroplasts

a)

Stroma

b)

Thylakoid

c)

Pigments

d)

Photosystems

44.

Principal pigment of plants and other photosynthetic organisms

a)

Stroma

b)

Chlorophyll

c)

NADP+

d)

ATP

45.

Fluid portion of the chloroplast; outside of the thylakoids

a)

Chlorophyll

b)

Stroma

c)

ATP

d)

NADP+

46.

The stacks of thylakoids embedded in the stroma of a chloroplast are called?

a)

chlorophyll

b)

grana (granum)

c)

stroma

d)

photosynthesis

47.
a)
Flapjack Stack
b)
Grana
c)
Thylakoid
d)
Stroma
48.
a)
Grana
b)
Thylakoid
c)
Stroma
d)
Jelly Filling
49.
a)
Inner Membrane
b)
Thylakoid Space
c)
Thylakoid Membrane
d)
Syrup and Butter
50.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
51.

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

52.
According to this absorption spectrum, what color is not used by the chlorophyll pigments?
a)
green
b)
blue
c)
yellow
d)
red
53.

What happens to the O2 created in the light phase?

a)

Is transferred to the Calvin Cycle

b)

Donates its electrons to the Chlorophyll molecules

c)

Provides a carbon to form the unstable 6-carbon molecule

d)

Diffuses out through the stoma

54.
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
55.

The Calvin Cycle takes place in the:

a)

Stroma

b)

Thylakoid

c)

Grana

d)

Stomata

56.
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
c)

they are phosphorylated

d)

none of these is correct

57.

Where is chlorophyll inside the chloroplast?

a)

stroma

b)

thylakoid membrane

c)

intermembrane space

d)

all of the options are correct

58.

Where do light-independent reactions take place?

a)

Outside the cholorplasts

b)

In stroma

c)

only in chlorophyll molecules

d)

in the thylakoid membranes

59.

Plants gather the sun's energy with light-absorbing molecules called ____________

a)

Chlorophyll

b)

Thylakoids

c)

Chloroplasts

d)

Glucose

60.

What are the ingredients or reactants for photosynthesis?

a)

Glucose and Oxygen

b)

Adenine and Ribose

c)

Carbon Dioxide and water

d)

Carbon dioxide and Oxygen

61.

What are the products or results of photosynthesis?

a)

Sugar

b)

Carbon dioxide and water

c)

Chloroplast

d)

Oxygen and glucose

62.

What does ATP lose to become ADP?

a)

Energy and a phosphate

b)

Phosphate

c)

Adenine

d)

Ribose

63.

What does NADP gain to become NADPH?

a)

An electron and proton

b)

Sugar

c)

Oxygen

d)

Phosphate

64.

In what organelle of plant cells does photosynthesis occur?

a)

mitochondria

b)

centrioles

c)

chloroplast

d)

ribosomes

65.

The openings that are found in the leaves of plants are called:

a)

Stomata

b)

Chlorophyll

c)

Xylem

d)

Chloroplast

66.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
67.

What colour of light is best absorbed by plants?

a)

Red and blue

b)

Green and Yellow

c)

Red and green

d)

Blue and green

e)

Only green

68.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
69.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
70.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
71.

What is the tiny openings that let in the carbon dioxide needed for photosynthesis?

a)

stomata

b)

xylem

c)

phloem

d)

chloroplast

72.

How does water travel from the roots to the plan leaf? Name the structure that carries water.

a)

stomata

b)

phloem

c)

chloroplast

d)

xylem

73.

How does glucose travel in a producer (plant)? Name the structure.

a)

xylem

b)

phloem

c)

stomata

d)

chlorophyll

74.
An organism that is able to make its own food is called:
a)
Overweight
b)
Autotrophic
c)
Heterotrophic
d)
Somatotrophic
75.
What role do pigments play in photosynthesis?
a)
Make plants green, which is calming
b)
Capture sunlight
c)
Absorb water in roots
d)
Take in CO2
76.
a)
Grana
b)
Thylakoid
c)
Stroma
d)
Jelly Filling
77.
a)
Flapjack Stack
b)
Grana
c)
Thylakoid
d)
Stroma
78.
a)
Thylakoid Membrane
b)
Thylakoid Space
c)
Stroma
d)
Candy Coating
79.
a)
Inner Membrane
b)
Outer Membrane
c)
Thylakoid Membrane
d)
Frog Skins
80.
6CO2 + 6H20 + light energy    -> C6H12O6 + 6O2
In this chemcial equation, the highlight red is called the ______. 
a)
product
b)
reactant
c)
yields
d)
production
81.
Which conclusion best matches the trends shown on the graph?
a)
Bean plants produce more ATP than corn plants.
b)
Corn plants require more oxygen than bean plants.
c)
Corn plants release more carbon dioxide than bean plants.
d)
Corn plants produce sugars at a faster rate than bean plants.
82.

Which of the following is not needed to start the light reaction

a)

H2O

b)

ADP + P

c)

CO2

83.
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
84.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
85.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

86.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

87.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
88.
Which of the following is an example of an AUTOTROPH?
a)
Appletree
b)
Dog
c)
Mushroom
d)
Human
89.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
90.

What is the pigment in chloroplasts that performs photosynthesis?

a)

Chlorosynthesis

b)

Chlorophyll

c)

Chloroplast

d)

Green

91.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
92.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
93.

What role does NADPH play in cellular respiration

a)

It is long term energy storage

b)

it is a high-energy hydrogen carrier

c)

it breaks down glucose

d)

it is an enzyme

94.

what are the products of the light reactions

a)

thylakoid

b)

oxygen

c)

ATP

d)

NADPH

95.

what are the inputs of the calvin cycle?

a)

NADPH

b)

ATP

c)

CO2

d)

H2O

e)

chlorophyll

96.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
97.
The stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoid
98.
The interior space of the chloroplast is called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
99.
What is the function of NADPH and ATP?
a)
They absorb light
b)
They power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They are short term energy carriers
100.
Where does the light independent reaction take place?
a)
Matrix
b)
Stroma
c)
Thylakoid membrane
d)
Cytoplasm
101.
What reactants are needed for the Calvin cycle?
a)
Carbon dioxide
b)

Carbon dioxide, ATP and NADPH

c)
Carbon dioxide and glucose
d)
Oxygen and water
102.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
103.
What happens to the O2 created in the light phase?
a)
Is transferred to the Calvin Cycle
b)
Donates its electrons to the Chlorophyll molecules
c)
Provides a carbon to form the unstable 6-carbon molecule
d)
Diffuses out through the stoma
104.

What colour of light is best absorbed by plants?

a)

Red and blue

b)

Green and Yellow

c)

Red and green

d)

Blue and green

e)

Only green

105.
Which color light would likely produce the least amount of bubbles in this setup?
a)
green
b)
blue
c)
white
d)
red
106.
The process of converting sunlight energy into chemical energy stored in a molecule is called
a)
Cellular respiration
b)
Photosynthesis
c)
Mitochondria
d)
Carbon dioxide
107.
One molecule given off by plants during photosynthesis is
a)
Carbon dioxide
b)
Water
c)
Oxygen
d)
Mitochondria
108.

Which plant organelle transforms light into glucose to use as food?

a)

Mitochondria

b)

Vacuoles

c)

Chloroplasts

d)

Nucleus

109.
Glucose is...
a)
A product of photosynthesis and cellular respiration
b)
A reactant of photosynthesis and cellular respiration
c)
A product of photosynthesis and a reactant of cellular respiration
d)
A reactant of photosynthesis and a product of cellular respiration
110.
Organisms that cannot make their own food and must obtain energy from external sources are called
a)
autotrophs
b)
heterotrophs
c)
thylakoids
d)
plants
111.
What is an autotroph?
a)
an organism that can make their own food. 
b)
an organism that cannot make their own food
c)
Herbivore
d)
Omnivore
112.

What is a worm?

a)

autotroph

b)

heterotroph

113.

What is asparagus?

a)

autotroph

b)

heterotroph

114.
What is the energy molecule?
a)
DNA
b)
ATP
c)
RNA
d)
AAA

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