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WorksheetsPhotosynthesis
Total questions: 16
Worksheet time: 10mins
Name
Class
Date
1.
Match the following
a)
"inputs" of photosynthesis
1.
Water, Carbon dioxide, light
b)
"outputs" of photosynthesis
2.
Glucose, Oxygen
c)
gas released as a byproduct of photosynthesis
3.
oxygen
d)
gas absorbed during photosynthesis
4.
carbon dioxide
e)
one who can make their own food
5.
autotroph
2.
What is the chemical formula for glucose?
a)
C6H12O6
b)
C6H6O12
c)
C12H6O12
d)
C6O2H6
3.
What is the chemical formula for water?
a)
H2O
b)
HO2
c)
CHO2
d)
CO2H
4.
What is the chemical formula for carbon dioxide?
a)
H2O
b)
CO2
c)
CHO2
d)
CO2H
5.
What is the chemical formula for oxygen?
a)
H12O2
b)
C6O2
c)
O3
d)
O2
6.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
7.
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
8.
Which of the following go through the process of photosynthesis?
a)
bees
b)
algae
c)
humans
d)
mushrooms
9.
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
10.
Most of the oxygen in the Earth’s atmosphere was produced by —
a)
a big explosion
b)
photosynthesis
c)
digestion
d)
metabolism
11.
If we enclosed a plant in an air-proof bottle, what would happen to the rate of photosynthesis
a)
Gradually slow down to zero because CO2 is used up
b)
Shows a constant rate as long as the light remains on
c)
Gradually speeds up because O2 builds up
d)
Gradually slows down because glucose builds up
12.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
13.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
14.
Chlorophyll is:
a)
The substance that makes plants green.
b)
Found inside the chloroplast cells.
c)
Used to absorb energy from the sun.
d)
All of the above.
15.
Plants need what to do photosynthesis?
a)
Food absorbed from ground
b)
Sun's energy
c)
Food broken down
d)
Minerals from the soil
16.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
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