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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
oxygen
B
nitrogen
C
carbon dioxide
D
sunlight
2) Plants are unique because......
A
they can convert chemical energy to light energy
B
they can convert light energy to chemical energy
C
they produce carbon dioxide
D
they convert heat energy to light 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, nitrogen, sugar
B
oxygen, carbon, fat
C
hydrogen, carbon, and oxygen
D
hydrogen, oxygen
6) What part of the plant regulates gases moving into and out of the plant?
A
roots
B
stem
C
stomata
D
branches
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
sunlight
D
carbon dioxide
8) A plant releases this gas as a by-product of photosynthesis.
A
oxygen
B
hydrogen
C
carbon
D
carbon dioxide
9) This substance makes up most of the hards parts of a plant.
A
fat
B
protein
C
cellulose
D
water
10) All of the following are true of plants except
A
They release oxygen
B
They can make their own food
C
They convert light energy to chemical energy.
D
They are carbon sources.
*select an answer for all questions
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