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