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4th Six Weeks Test Review
Test Description: Review Game
Instructions: Answer all questions to get your test result.
1) The energy that plants use to do photosynthesis comes from
A
The air
B
The soil
C
The sugar
D
The sun
2) The ingredients needed for photosynthesis are
A
Oxygen, Water and Sunlight
B
Carbon dioxide, Sunlight and Glucose
C
Sunlight, Carbon dioxide and Water
D
Glucose, Sunlight and Water
3) Decomposition is the process of breaking down dead organic matter, this process is beneficial for the environment and the soil because
A
it returns nutrients
B
it absorbs sunlight
C
it creates energy
D
it produces air
4) In the bottom of an energy pyramid we will find
A
Decomposers such as earthworms
B
Producers such as plants
C
Consumers such as cows
D
Top predators such as lions
5) The reason for only 10% of energy to pass on to the next level is because
A
Organisms are too small to pass more energy
B
Organisms use most of the energy to stay alive
C
Organisms destroy most of the energy
D
Organisms don't like to share their energy
6) If the world's bacteria and earthworms suddenly disappear then
A
The soil's nutrients will increase
B
The soil's nutrients will stay the same
C
The soil's nutrients won't exists
D
The soil's nutrients will decrease
7) Organic compounds contain
A
Hydrogen, Nitrogen and Silicon
B
Hydrogen, Oxygen and Carbon dioxide
C
Oxygen, Nitrogen and Sulfur
D
Carbon, Hydrogen and Oxygen
8) Scientists classify organisms to understand
A
Photosynthesis
B
Biodiversity
C
Energy pyramids
D
Organic Compounds
9) When using a dichotomous key we always start with step
A
2
B
1
C
3
D
4
10) Glucose is the main product of photosynthesis, the other product is
A
Oxygen
B
Sunlight
C
Water
D
Carbon dioxide
11) Which one is organic?
A
Sulfur dioxide SO2
B
Glucose C6H12O6
C
Hydrogen Peroxide H2O2
D
Salt NaCl
12) On the top of the energy pyramid we will find
A
A small amount of organisms
B
The same amount as on the bottom
C
Neither large or small amount of organisms
D
A large amount of organisms
13) Biomass is decomposed by
A
Lions, Whales and Elephants
B
Earthworms, bacteria and fungi
C
Plants, grass and trees
D
Cows, insects and larvae
*select an answer for all questions
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