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Biology Grade 8
Test Description: Biology
Instructions: Answer all questions to get your test result.
1) Plants use energy from sunlight to make their own food through the process
A
Evaporation
B
None
C
Photosynthesis
D
Photography
2) The energy stored in food is an example of
A
Generated energy
B
None
C
Potential engergy
D
Too much energy
3) What is potential energy
A
Stored energy for a later stage
B
Replaced energy
C
Energy that is stored in a system
D
none
4) What do plants and animals need the energy stored in food for
A
None
B
Life processes
C
All
D
like growth and movement
5) Does the food need to be broken down
A
False
B
Maybe
C
No
D
True
6) How does the energy get released
A
None
B
Which is called respiration
C
All
D
Food must be broken down into simpler substances
7) What does respiration involve?
A
A series of chemical reactions
B
A series of movements
C
Rain
D
none
8) What is the word equation for respiration process
A
C12H0+t0
B
None
C
C6H12O6+6O2--------- 6CO2 + 6H2O+ATP
D
All
9) What does the word equation show during respiration
A
The first 2
B
Glucose and Oxygen react to form carbon dixoide
C
None
D
And water that energy is released
10) What is this energy
A
The potential energy that was stored in the glucose
B
Oxygen released for humans
C
Carbon dioxide for animals
D
Stored energy
11) How to test for a product of respiration
A
All
B
None
C
1 can be to test the by-products of the process
D
namely carbon dioxide
12) What happens to humans?
A
The carbon dioxide dissolves in our blood
B
We breathe in oxygen
C
We release air
D
None
13) In our lungs
A
Oxygen from inhaled air replaces
B
Carbon dioxide in the blood
C
None
D
All
14) Carbon dioxide moves
A
All
B
And is exhaled
C
None
D
Into the air
*select an answer for all questions
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