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