WorksheetsPhotosynthesis
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
_____ are flattened, sac-like membranes that are arranged in stacks in the chloroplast.
a)
Stroma
b)
Chlorophyll
c)
Carotenoids
d)
Thylakoids
2.
Light energy splits water molecules during which part of photosynthesis?
a)
Light-dependent reactions
b)
Light-independent reactions
c)
Calvin cycle
d)
Dark reactions
3.
What is the main purpose of the Calvin cycle?
a)
produce oxygen
b)
produce sugar
c)
produce ATP
d)
destruction of carbon dioxide
4.
Which product(s) of the light reactions are used during the dark reactions?
a)
oxygen
b)
carbon dioxide
c)
ATP and NADPH
d)
ADP and NADP+
5.
Which part of a plant is responsible for the majority of photosynthesis?
a)
leaves
b)
stem
c)
roots
d)
stomata
6.
Where is glucose made in plants?
a)
thylakoid
b)
thylakoid membrane
c)
stroma
d)
outside the chloroplast
7.
What is the chemical formula for glucose?
a)
C2H6O2
b)
C12H12O12
c)
C2H2O2
d)
C6H12O6
8.
The process of the water molecule being split is called
a)
carbon fixation
b)
photolysis
c)
chemiosmosis
d)
Calvin cycle
9.
What are autotrophs?
a)
An organism that cannot make it’s own food.
b)
An organism that eats food.
c)
An organism that makes its own food.
10.
What makes a plant green?
a)
carbon
b)
the sun
c)
chlorophyll
11.
Why do living things need energy?
a)
To move around
b)
To reproduce
c)
To carry out life's functions
d)
All of the above
12.
How do plants obtain energy?
a)
From the dirt
b)
From the stomata
c)
From the sunlight
13.
Which is the chemical equation for photosynthesis?
a)
6CO2 + 6H2O ------>C6H12O6 + 6O2
b)
Fe + Cl2 = FeCl3
c)
C6H5COOH + O2 = CO2 + H2O
d)
H2SO4 + K4Fe(CN)6 + KMnO4
14.
What are the substances needed for photosynthesis
a)
water and oxygen
b)
water and sugar
c)
water and carbon dioxide
15.
What substances are produced during photosynthesis?
a)
sugar and oxygen
b)
carbon dioxide and salt
c)
oxygen and chlorophyll
16.
Which type of day would you expect a plant to produce more oxygen
a)
Cloudy
b)
Rainy
c)
Sunny
d)
Doesn't matter
17.
What are granum?
a)
Glucose
b)
Flattened sacs of chlorophyll
c)
Stoma
d)
A stack of thylakoids
18.
Where does the oxygen given off during Photosynthesis come from?
a)
From splitting carbon dioxide
b)
From splitting water
c)
From making glucose
d)
From the sun
19.
What structure in the leaf is involved with gas exchange?
a)
Xylem
b)
Stomata
c)
Phloem
d)
Carbon Dioxide
20.
Which gas enters a stomata?
a)
Oxygen
b)
Nitrogen
c)
Helium
d)
Carbon Dioxide
21.
Which gas leaves a stomata?
a)
Oxygen
b)
Nitrogen
c)
Helium
d)
Carbon Dioxide
22.
What are the products of Photosynthesis?
a)
Carbon Dioxide & Water
b)
Sunlight & Water
c)
Glucose & Oxygen
d)
Nitrogen & Oxygen
23.
Chloroplast contains all the pigments of other colors
a)
True
b)
False
24.
What are the main parts of a chloroplast?
a)
Inner and outer membrane, granum, thylakoid, and stroma
b)
Membrane & chlorphyll
c)
Inner and outer membrane, matrix, cristae, and ribosome
25.
What is Photosynthesis?
a)
The process by which animals use the energy from sunlight to produce sugar
b)
The process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar
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