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Photosynthesis

Total questions: 42

Worksheet time: 39mins

Name
Class
Date
1.
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
2.
Which of the following is NOT a product of the light reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
3.
What does ATP synthase do?
a)
Create ATP through chemiosmosis.
b)
Break down ATP through chemiosmosis.
c)
Break down NADPH. 
d)
Create NADPH.
4.
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
5.
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
6.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
7.
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
8.
What gas does the process of photosynthesis release into the atmosphere?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
9.
What photosystem(s) are involved in the light reaction?
a)
Photosystem 1
b)
Photosystem 2
c)
Both
10.
In a light-dependent reaction, water and sunlight is needed to make oxygen and _____.
a)
carbon dioxide
b)
sugar
c)
ATP
d)
chlorophyll
11.
Thylakoids are arranged in stacks called ____.
a)
Lamellae
b)
Stroma
c)
Granum
d)
Glucose
12.
The gel-like material that surrounds the grana is called ____
a)
lamellae
b)
granum
c)
thylakoid
d)
stroma
13.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

6CO2 + 6H2O + light --> 6O2 + C6H12O6

b)

6CO2 + C6H12O6 + 6H2O --> 6O2 + light

c)

6O2 + 6H2O + light --> CO2 + C6H12O6

d)

6CO2 + 6O2 + 6H2O --> Light+ C6H12O6

14.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
15.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
16.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
17.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
18.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
19.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
20.
Which organelle from the plant cell is primarily responsible for converting sunlight to energy?
a)
Mitochonria
b)
Nucleus
c)
Vacuole
d)
Chloroplast
21.
Which of the following is NOT a product of the light reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
22.
Chlorophyll absorbs _____ and _______ light from the light.
a)
purple and green
b)
red and blue
c)
black and orange
d)
yellow and green
23.
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
24.
According to this absorption spectrum, what color is not used by the chlorophyll pigments?
a)
green
b)
blue
c)
yellow
d)
red
25.
What supplies the electrons that are lost in photosystem I (PSI)?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
26.
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
27.
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
28.
The hydrogen ions from splitting water are used directly to
a)
make NADPH
b)
make glucose
c)
absorb light
d)
make ATP
29.
Which of the following move through the electron transport chain?
a)
Protons
b)
Electrons
c)
Water
d)
Carbon Dioxide
30.

Where do the dark reactions (Calvin cycle) take place?

a)

thylakoid membrane

b)

lumen

c)

stroma

31.
What does NADPH do? 
a)
carries electrons to the Calvin cycle
b)
carries electrons to the ETC
32.
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
33.

Which of the following is NOT a reactant of the dark reactions (Calvin Cycle)?

a)

NADPH

b)

ATP

c)

Oxygen

d)

Carbon dioxide

34.
Where do NADP+ and ADP produced in the Calvin cycle go? 
a)
Back to the light reactions
b)
out of the chloroplast
35.

Which of the following molecules is not needed directly for the Calvin Cycle?

a)

CO2

b)

ATP

c)

NADPH

d)

H2O

36.

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

37.

If you continue to increase the intensity of light that a plant receives, what happens?

a)

The rate of photosynthesis increases indefinitely with light intensity.

b)

The rate of photosynthesis decreases indefinitely with light intensity.

c)

The rate of photosynthesis increases and then levels off.

d)

The rate of photosynthesis does not change

38.

Which of the following factors does not affect the rate of photosynthesis 

a)

Temperature    

b)

Water Availability  

c)

Light Intensity    

d)

Oxygen Availability 

39.

Which of the following statements is true about the rate of photosynthesis?

a)

The rate of photosynthesis is not impacted by temperature

b)

As temperature increases so does the rate of photosynthesis.

c)

As temperature increases the rate of photosynthesis decreases.

d)

The rate of photosynthesis increases with increasing temperature until a temperature is reached when enzymes are unable to function properly.

40.

What is the opening surrounded by guard cells that opens and closes to allow carbon dioxide and oxygen to be exchanged.

a)

Stomata   

b)

Cuticle

c)

Chlorophyll

d)

Mesophyll

41.

Inner cells of the leaf that contain chloroplasts with chlorophyll.  

a)

Mesophyll  

b)

 Thylakoid  

c)

Stroma    

d)

 Cuticle

42.

Which vascular tissue carries water from the roots to the leaves of the plant.

(------ to the highem!)

a)

Cuticle

b)

Phloem

c)

Xylem    

d)

 Mesophyll