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Carbon Cycle Learning Target Two
Test Description: I can describe a plant's role in the carbon cycle.
Instructions: Answer all questions to get your test result.
1) What other matter besides water does a plant use to make food?
A
nitrogen
B
sunlight
C
carbon dioxide
D
oxygen
2) Plants are unique because......
A
they produce carbon dioxide
B
they convert heat energy to light energy
C
they can convert chemical energy to light energy
D
they can convert light energy to chemical energy
3) What energy do plants use to make food?
A
sunlight
B
water
C
carbon dioxide
D
heat
4) All of the following are substances that plants can make from the elements needed during photosynthesis except?
A
fats
B
sugars
C
starches
D
DNA
5) Glucose is a substance made during photosynthesis. What elements make up glucose?
A
hydrogen, oxygen
B
oxygen, carbon, fat
C
hydrogen, nitrogen, sugar
D
hydrogen, carbon, and oxygen
6) What part of the plant regulates gases moving into and out of the plant?
A
branches
B
stomata
C
roots
D
stem
7) Over time, a tree grows from a tiny seed. What is responsible for most of the tree's mass as it grows?
A
nutrients from the soil
B
water
C
carbon dioxide
D
sunlight
8) A plant releases this gas as a by-product of photosynthesis.
A
carbon dioxide
B
hydrogen
C
oxygen
D
carbon
9) This substance makes up most of the hards parts of a plant.
A
water
B
cellulose
C
protein
D
fat
10) All of the following are true of plants except
A
They release oxygen
B
They convert light energy to chemical energy.
C
They can make their own food
D
They are carbon sources.
*select an answer for all questions
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