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Photosynthesis
Test Description: Photo
Instructions: Answer all questions to get your test result.
1) Which ingredient is necessary for photosynthesis?
A
all of the above
B
water
C
sunlight
D
carbon dioxide
2) Which substance do we breathe in?
A
oxygen
B
carbon dioxide
C
water
D
glucose
3) Which substance do we breathe out?
A
oxygen
B
carbon dioxide
C
water
D
glucose
4) What substance do PLANTS breathe in?
A
carbon dioxide (CO2)
B
Nitrogen
C
oxygen (O2)
D
water (H2O)
5) What substance do plants breathe out?
A
water
B
glucose
C
carbon dioxide
D
oxygen
6) What is photosynthesis?
A
The process of a solid turning into a gas
B
The process of water vapor turning into water
C
The process by which plants make their own food
D
The process of water turning into water vapor
7) What is transpiration?
A
The condensation of a plant
B
A green substance
C
The evaporation of water from plant leaves--the plant is sweating
D
The process of plants making their food
8) What is chlorophyll?
A
A gas that you breathe out
B
A green substance found in plants
C
A yellow substance found in plants
D
A gas that you breathe in
9) What is the purpose of xylem in a plant?
A
The colored part in a flower
B
The petal in a flower
C
A tissue in plants that releases water
D
a tissue in plants that conducts water and dissolved nutrients upward from the root. Helps to form the stem
10) How did the petals change color in our transpiration demo?
A
As the water condenses in the petals, pressure is created in the xylem, resulting in pulling the water upward
B
As water evaporates in the petals, pressure is created in the xylem, resulting in pulling the water upward
C
As the water precipitates in the petals, pressure is created in the xylem, resulting in pulling the water upward
*select an answer for all questions
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