Photosynthesis Question Preview (ID: 40108)


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Which ingredient is necessary for photosynthesis?
a) water
b) sunlight
c) carbon dioxide
d) all of the above

Which substance do we breathe in?
a) oxygen
b) carbon dioxide
c) water
d) glucose

Which substance do we breathe out?
a) oxygen
b) carbon dioxide
c) water
d) glucose

What substance do PLANTS breathe in?
a) oxygen (O2)
b) Nitrogen
c) carbon dioxide (CO2)
d) water (H2O)

What substance do plants breathe out?
a) carbon dioxide
b) water
c) glucose
d) oxygen

What is photosynthesis?
a) The process of water turning into water vapor
b) The process by which plants make their own food
c) The process of water vapor turning into water
d) The process of a solid turning into a gas

What is transpiration?
a) The condensation of a plant
b) The process of plants making their food
c) The evaporation of water from plant leaves--the plant is sweating
d) A green substance

What is chlorophyll?
a) A green substance found in plants
b) A gas that you breathe out
c) A gas that you breathe in
d) A yellow substance found in plants

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

How did the petals change color in our transpiration demo?
a) As the water precipitates 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 condenses in the petals, pressure is created in the xylem, resulting in pulling the water upward
d)

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