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Photosynthesis Review

Total questions: 51

Worksheet time: 32mins

Name
Class
Date
1.

Which of these would NOT assist with the increasing rate of photosynthesis?

a)

prolonged exposure to more intense red or blue light

b)

increasing levels of carbon dioxide

c)

more routine watering schedules

d)

increasing the amount of oxygen present around the plant

2.

The Calvin cycle does not usually occur at night since it is dependent on the light reactions.

a)

true

b)

false

3.

H+ travel through ATP synthase

a)

from the thylakoid space to the stroma

b)

from the stroma to the stroma

c)

from the thylakoid space to the mitochondrial matrix

d)

from the thylakoid space to the chloroplast

4.

Plant cells contain only chloroplasts, not mitochondria

a)

true

b)

false

5.

Glucose, ADP, and NADP+ are products of the

a)

fermentation

b)

calvin cycle

c)

light reactions

d)

cellular respiration

6.

ATP, NADPH, and Oxygen are products of the

a)

calvin cycle

b)

fermentation

c)

light reactions

d)

cellular respiration

7.

The ​ (a)   occur in the thylakoid; the _​ (b)   occurs in the stroma

Choose from the below words
light dependent reactions
calvin cycle
glycolysis
krebs cycle
8.

Which of the following statements comparing photosynthesis and cellular respiration is true?

a)

ATP is not produced during photosynthesis, only during respiration

b)

Cellular respiration and photosynthesis are the exact same process

c)

respiration consumes water, photosynthesis creates water

d)

photosynthesis consumes carbon dioxide, respiration consumes oxygen

9.

Carbon dioxide in photosynthesis is a

a)

reactant

b)

product

c)

energy source

d)

all of the other answers are correct

10.

The thylakoid membranes in a plant cell contain which necessary pigment?

a)

chlorplast

b)

stroma

c)

NADPH

d)

chlorophyll

11.

Which of these makes organic molecules from inorganic molecules by using solar energy?

a)

heterotrophs

b)

photoautotrophs

c)

autotrophs

d)

chemiautotroph

12.
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
13.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
14.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
does not absorb green light.
d)
does not absorb violet light.
15.

Photons are packets of ​ (a)   that boost electrons

Choose from the below words
light
NADPH
ATP
cellular respiration
16.
In which  organelle does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
17.
How does photosynthesis benefit heterotrophs?
a)
It adds carbon dioxide to the air.
b)
It creates a source of energy they can eat.
c)
It creates clean water.
d)
It eliminates harmful sugars.
18.
What does chlorophyll capture?
a)
Chlorophyll captures water from the air.
b)
Chlorophyll captures carbon dioxide from the air.
c)
Chlorophyll captures the energy of sunlight.
d)
Chlorophyll captures baseballs.
19.

Place the following steps in order of how they occur in the Calvin Cycle

a)

carbon fixation

b)

reduction

c)

release of G3P

d)

regeneration of RuBP

1)
2)
3)
4)
20.

Chlorophyll is arranged in light receiving structures called _​ (a)  

Choose from the below words
photosystems
photons
electron transport chains
calvin cycles
krebs cycles
21.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
22.

Which of the following is NOT a product of the light reactions?

a)

Oxygen

b)

NADPH

c)

ATP

d)

Glucose (Sugar)

23.
What is the main purpose of the light dependent reactions?
a)
To provide the energy for the calvin cycle
b)
To capture energy and make sugar
c)
To reflect green light
d)
To make sugars
24.
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
25.
What gas does the process of photosynthesis release into the atmosphere?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
26.
Thylakoids are arranged in stacks called ____.
a)
Lamellae
b)
Stroma
c)
Granum
d)
Glucose
27.
The gel-like material that surrounds the grana is called ____
a)
lamellae
b)
granum
c)
thylakoid
d)
stroma
28.
What supplies the electron that is lost in PS II?
a)
oxygen
b)
water
c)
glucose
d)
rubisco
29.
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
30.

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

31.
Where does the light independent reaction take place?
a)
Matrix
b)
Stroma
c)
Thylakoid membrane
d)
Cytoplasm
32.
What reactants are needed for the Calvin cycle?
a)
Carbon dioxide
b)
Carbon dioxide, ATP and NADPH2
c)
Carbon dioxide and glucose
d)
Oxygen and water
33.
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
34.
How many G3P molecules make one molecule of glucose? 
a)
1
b)
2
c)
3
d)
4
35.
The 5-Carbon molecules that the Calvin Cycle starts and ends with, is called _____________.
a)
PGA
b)
G3P
c)
RuBP
d)
RuDp
36.
Which of the following is NOT a reactant of the Calvin Cycle?
a)
NADPH
b)
ATP
c)
Oxygen
d)
Carbon dioxide
37.
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
38.

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 sugar from carbon dioxide.

d)

Use NADPH to release carbon

39.

G3P is a ​ (a)   which becomes fuel for cellular respiraiton and a starting material for making other organic molecules.

Choose from the below words
sugar
starch
protein
lipid
nucleic acid
40.

To produce one ​ (a)   , the Calvin cycle needs to be run ​ (b)  

Choose from the below words
glucose
twice
ATP
NAD+
thrice
NADPH
once
Ru
RuBP
ADP
41.

To bring in nonliving carbon (CO2) and use it to make organic compounds is a process called _______________.

a)

carbon fixation

b)

cellular respiration

c)

catabolic reactions

d)

mitosis

42.

Increasing the intensity of light has what effect on photosynthesis?

a)

It slows it down

b)

It speeds up

c)

It stays the same

43.

Which of the following is NOT a limiting factor for photosynthesis? (It is not needed for photosynthesis)

a)

light

b)

oxygen

c)

carbon dioxide

d)

temperature

44.
How does temperature affect photosynthesis?
a)
Increases the rate at which enzymes work
b)
Gives the plant energy to perform photosynthesis
c)
Stops certain enzymes that interfere with photosynthesis working
45.
If a plant receives more carbon dioxide, what happens to the rate of photosynthesis?
a)
Increases
b)
Decreases
c)
Stays the same
46.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
47.

In the diagram shown, what reactant is shown by letter B?

a)

water

b)

light

c)

carbon dioxide

d)

oxygen

e)

glucose

48.

In the diagram shown, what is letter L referencing?

a)

photosynthesis

b)

glycolysis

c)

light-dependent reactions

d)

light-independent reactions

49.

In the diagram shown, what is letter I?

a)

ADP

b)

light

c)

ATP

d)

Glucose

50.

In the diagram shown, what product is shown by letter F?

a)

water

b)

light

c)

carbon dioxide

d)

oxygen

e)

glucose

51.

In the diagram shown, what is letter M pointing to?

a)

stroma

b)

light

c)

chloroplast

d)

thylakoid

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