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WorksheetsPhotosynthesis
Total questions: 49
Worksheet time: 22mins
Name
Class
Date
1.
The main source of energy for all life starts or comes from the
a)
Earth.
b)
Atmosphere.
c)
Sun.
d)
Oceans.
2.
Which of the following is the correct equation for photosynthesis?
a)
CO2 + H2O + light --> O2 + Glucose
b)
CO2 + Glucose+ H2O --> O2 + light
c)
O2+ light + H2O --> CO2 + Glucose
d)
CO2 + O2 + H2O --> Light+ Glucose
3.
Photosynthesis is converting ___________ energy from the sun into ______________ energy.
a)
Light; ATP
b)
Chemical; Light
c)
Light; Chemical
d)
Chemical; ATP
4.
Once there is sunlight, what are the reactants (inputs) of photosynthesis:
a)
Glucose & Oxygen
b)
Glucose & Carbon Dioxide
c)
Carbon Dioxide & Water
d)
Carbon Dioxide & Oxygen
5.
What are the products (outputs) of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
6.
Which of the following is considered a waste product of photosynthesis?
a)
glucose
b)
oxygen
c)
carbon dioxide
d)
sunlight
7.
What is the gas we breath out that plants use in the Calvin cycle of photosynthesis?
a)
Sulfur
b)
Carbon dioxide
c)
Oxygen
d)
Hydrogen
8.
Which organelle from the plant cell is primarily responsible for converting sunlight to energy?
a)
Mitochondria
b)
Nucleus
c)
Vacuole
d)
Chloroplast
9.
In which part of the plant does photosynthesis take place?
a)
Roots
b)
Flowers
c)
Stems
d)
Leaves
10.
Which part of the plant receives water?
a)
Flowers
b)
Roots
c)
Stems
d)
Leaves
11.
What is the name of the opening/pore on the underside of the leaf that allows gases/water to come in and out of the plant?
a)
Stomata
b)
Vacuole
c)
Thylakoid
d)
Stroma
12.
What is the pigment inside chloroplasts that makes the plant look green?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Chromoplasts
13.
What is the name of the sac-like structures inside the chloroplasts that capture light from the sun?
a)
Thylakoids
b)
Stroma
c)
Chromoplasts
d)
Chlorophyll
14.
The plant makes food for itself---what is the name of this food?
a)
Starch
b)
Cellulose
c)
ATP
d)
Glucose
15.
What is the name of the "energy rich molecule" needed by all living things?
a)
ATP
b)
ADP
c)
Starch
d)
Sugar
16.
What colors are most often absorbed by the plant from the sun?
a)
Red & yellow
b)
Red & blue
c)
Green & yellow
d)
Red & green
17.
What color does the plant reflect when there is plenty of chlorophyll?
a)
Green
b)
Yellow
c)
Red
d)
Orange
18.
What three things affect the rate of photosynthesis the most?
a)
Water; Light; Oxygen
b)
Oxygen; Carbon Dioxide; Light
c)
Water; Light; Temperature
d)
Temperature; Light; Glucose
19.
Which of the following is an example of an autotroph?
a)
Apple Tree
b)
Dog
c)
Mushroom
d)
Human
20.
Which of the following is an example of a heterotroph?
a)
Grass
b)
Algae
c)
Blueberry Bush
d)
Bear
21.
What is the site of the light-dependent reactions?
a)
Stroma
b)
Chloroplast
c)
Thylakoids
d)
Chlorophyll
22.
Which of the following is a product of the Calvin cycle?
a)
ATP
b)
glucose
c)
oxygen
d)
water
23.
What are the products the light dependent reaction?
a)
ATP
b)
NADPH
c)
ATP & NADPH
d)
glucose
24.
During photosynthesis, carbon dioxide is used to make sugars in the
a)
thylakoids.
b)
light-dependent reactions
c)
electron transport chain.
d)
Calvin cycle.
25.
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.
26.
In what reaction is water split to release electrons, H+ ions, and oxygen (O2)?
a)
light independent
b)
light dependent
c)
Calvin cycle
27.
In which of the following structures do the light-independent reactions take place?
a)
nucleus
b)
matrix
c)
cristae
d)
stroma
28.
The oxygen that is released as O2 during photosynthesis comes from _____________ molecules.
a)
carbon dioxide
b)
chlorophyll
c)
glucose
d)
water
29.
Light-driven electron transport in the chloroplast pumps H+ into the thylakoid membrane space using diffusion.
a)
True
b)
False
30.
Another name for the light independent reaction is the Calvin Cycle.
a)
True
b)
False
31.
Molecules that absorb light are called
a)
pigments
b)
enzymes
c)
proteins
32.
________________ 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
33.
A stack of thylakoids is called_____.
a)
grana
b)
stroma
c)
pancakes
d)
thylakoids
34.
In the image, what is #1 referring to?
a)
stroma
b)
thylakoid
c)
grana
d)
chloroplast
35.
In the image, what is #2 referring to?
a)
stroma
b)
thylakoid
c)
grana
d)
chloroplast
36.
In the image, what is #3 referring to?
a)
stroma
b)
thylakoid
c)
grana
d)
chloroplast
37.
The organelle in the image is ________.
a)
the site of photosynthesis
b)
a chloroplast
c)
all of the above
d)
only found in plants
38.
In the ATP molecule which letter represents the phosphate groups?
a)
A
b)
B
c)
C
39.
In the ATP molecule which letter represents the ribose sugar?
a)
A
b)
B
c)
C
40.
In the ATP molecule which letter represents the adenine base?
a)
A
b)
B
c)
C
41.
6CO2 + 6H2O+ light --> ___________ + 6O2
a)
C₆H₁₂CO₆
b)
C6H6O6
c)
C₆H₁₂O₆
d)
C3H12O6
42.
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
43.
6 CO₂ + 6 H₂O + light --> C₆H₁₂O₆ + ________
a)
O2
b)
CO2
c)
6CO2
d)
6O2
44.
Label A represents
a)
nuclear energy
b)
chemical energy
c)
photons of light energy
d)
CO2
45.
Labels D&E represents
a)
nuclear energy
b)
chemical energy
c)
photons of light energy
d)
CO2
46.
Labels F represents
a)
carbon fixation
b)
O2
c)
CO
d)
H2O
47.
To bring in nonliving carbon (CO2) and use it to make organic compounds is a process called _______________.
a)
carbon fixiation
b)
cellular respiration
c)
catabolic reactions
d)
mitosis
48.
How many carbons does G3P have?
a)
1
b)
2
c)
3
d)
6
49.
The purpose of the Electron Transport Chain is...
a)
To produce CO2
b)
To produce ATP
c)
To make glucose
d)
To make O2
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