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WorksheetsCell Energy
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
A chemical equation shows:
reactant + ________ -----> product + ___________.
reactant + ________ -----> product + ___________.
a)
reactant / product
b)
product / reactant
c)
reactant / reactant
d)
product / product
2.
How do the equations for photosynthesis and cellular respiration relate to each other?
a)
They are the same.
b)
They are opposites.
c)
They are completely different reactions.
3.
The products of
cellular respiration
are also the reactants of
photosynthesis
and vice versa.
cellular respiration
are also the reactants of
photosynthesis
and vice versa.
a)
True
b)
False
4.
How is the energy stored after the process of photosynthesis?
a)
light energy
b)
the energy in chemical bonds
c)
heat energy
5.
In which process is energy a product?
a)
Photosynthesis
b)
Cellular respiration
6.
In which process is energy a reactant?
a)
Photosynthesis
b)
Cellular respiration
7.
In which process is light energy transformed into chemical energy?
a)
Photosynthesis
b)
Cellular respiration
8.
In which process is chemical energy transformed into different chemical energy?
a)
Photosynthesis
b)
Cellular respiration
9.
Plants have chloroplasts to carry out photosynthesis, but animals do not. Which organisms have mitochondria to carry out cellular respiration?
a)
animals
b)
plants
c)
both
d)
neither
10.
Photosynthesis is a process for _________ who capture energy from sunlight which then supports the rest of a food chain.
a)
autotrophs
b)
heterotrophs
c)
decomposers
11.
Cellular respiration produces _______ molecules that directly power many processes within the cell.
a)
glucose
b)
ATP
c)
sunlight
d)
O2
12.
Which Chemical Reaction?
Glucose and oxygen become carbon dioxide, water and ATP
Glucose and oxygen become carbon dioxide, water and ATP
a)
Photosynthesis
b)
Fermentation
c)
Cellular Respiration
13.
Which Chemical Reaction?
Carbon dioxide, water and sunlight become oxygen and glucose
Carbon dioxide, water and sunlight become oxygen and glucose
a)
Photosynthesis
b)
Fermentation
c)
Cellular Respiration
14.
Which Chemical Reaction?
Glucose becomes carbon dioxide and alcohol.
Glucose becomes carbon dioxide and alcohol.
a)
Photosynthesis
b)
Fermentation
c)
Cellular Respiration
15.
What are reactants in photosynthesis?
a)
oxygen and carbon dioxide
b)
carbon dioxide and water
c)
glucose and sunlight
d)
sunlight and oxygen
16.
What are reactants in cellular respiration?
a)
oxygen and carbon dioxide
b)
carbon dioxide and water
c)
glucose and oxygen
d)
sunlight and oxygen
17.
What are products in photosynthesis?
a)
oxygen and carbon dioxide
b)
carbon dioxide and water
c)
glucose and oxygen
d)
sunlight and oxygen
18.
What are products in cellular respiration?
a)
oxygen and carbon dioxide
b)
carbon dioxide and water
c)
glucose and oxygen
d)
sunlight and oxygen
19.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
20.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chloroplasts
b)
Chlorophyll
c)
ATP
d)
Glycolysis
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