Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Photosynthesis Review

Total questions: 15

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

Which natural resources do plants need to make their own food? Choose all that apply.

a)

Sunlight

b)

Oxygen

c)

Water

d)

Carbon Dioxide

2.

Carbon dioxide enters a plant through the leaves' _____________.

a)

stomata

b)

xylem

c)

phylem

d)

roots

e)

chlorophyll

3.

What kind of sugar do plants create during photosynthesis?

a)

glucose

b)

sucrose

c)

fructose

d)

dextrose

4.
Chlorophyll causes many plants to be what color?
a)
yellow
b)
green
c)
brown
d)
orange
5.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
6.

In the overall photosynthetic reaction, there are two reactants. Which one is used in the Calvin Cycle?

a)

water

b)

carbon dioxide

c)

oxygen

d)

glucose

7.

Where in the chloroplast does the Calvin Cycle take place?

a)

thylakoids

b)

matrix

c)

stroma

d)

nucleus

8.

One molecule of G3P is made during a single turn of the Calvin Cycle. How many G3P molecules does it take to make one glucose?

a)

1

b)

2

c)

3

d)

4

9.

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.

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

Which of the following is true?

a)

PS1 comes before PSII

b)

PSII comes before PS1

12.
What is the ultimate source of energy for life on Earth?
a)
glucose
b)
sunlight
c)
ATP
d)
H2O
13.
According to this absorption spectrum, what color is not used by the chlorophyll pigments?
a)
green
b)
blue
c)
yellow
d)
red
14.

Where does the oxygen produced in the light dependent reactions of photosynthesis come from?

a)

chlorophyll

b)

carbon dioxide

c)

the atmosphere

d)

water

15.

Carbon fixation is the process of taking inorganic carbon in ___ and incorporating it into an organic carbon compound. This occurs in the Calvin Cycle.

a)

the soil

b)

the water

c)

carbon dioxide