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WorksheetsPhotosynthesis and Cellular Respiration
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
Photo means
a)
sun
b)
light
2.
Synthesis means
a)
to make
b)
to tear apart
3.
The process by which sugar is converted into energy (ATP) by living organisms is called
a)
photosynthesis
b)
cellular respiration
4.
The products of cellular respiration are
a)
carbon dioxide, water, energy
b)
oxygen and sugar (glucose)
5.
The products of photosynthesis are
a)
carbon dioxide, water, energy
b)
sugar (glucose), oxygen, water
6.
The reactants in photosynthesis are
a)
carbon dioxide, water
b)
sugar (glucose), oxygen
7.
The reactants in cellular respiration are
a)
sugar (glucose), oxygen
b)
carbon dioxide, water
8.
The green pigment in plants is called
a)
melanin
b)
chlorophyll
9.
The green pigment in plants absorbs
a)
oxygen
b)
light
10.
How many atoms are in this chemical formula? C6H12O6
a)
12
b)
24
11.
Select the balanced equation that represents cellular respiration.
a)
C6H12O6 + 6O2 −−> 6CO2 + 6H2O + Energy
b)
2C6H12O6 + 4O2 −−> 4CO2 + 6H2O + Energy
12.
What energy is needed in order for plants to make their own food?
a)
sound energy
b)
sunlight or light
13.
A botanist is a scientist who studies
a)
plants
b)
animals
14.
Something that can change in an experiment is a
a)
variance
b)
variable
15.
In a controlled experiment, how many variables do you change?
a)
one
b)
more than one
16.
The word solar means
a)
light
b)
sun
17.
Chlorophyll is the only pigment found in plants.
a)
false
b)
true
18.
The sugar organisms need to convert to energy is called
a)
sucrose
b)
glucose
19.
The organelle responsible for energy is the
a)
mitochondria
b)
nucleus
20.
The process by which plants make their own food is called
a)
photosynthesis
b)
cellular respiration
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