Photosynthesis and Cellular Respiration — Unit test Answers
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Which of the following two cycles are the most closely related in their role in sustaining life?
A
carbon and nitrogenB
water and nitrogenC
carbon and oxygenD
nitrogen and phosphorus22
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Which is true for both photosynthesis and cellular respiration?
A
They require oxygen as a reactant.B
They require organelles.C
They require light energy from the Sun.D
They require cells to use water.23
Biogeochemical cycles recycle water and natural elements throughout the biosphere to ensure that organisms do not run out of these substances. Diagram by NASA/Kevin Saff Diagram by Ilmari Karonen Which of the following processes plays an important role in cycling carbon, nitrogen, and phosphorus?
A
photosynthesisB
transpirationC
decompositionD
respiration24
Which best summarizes the flow of energy in a producer?
A
Sun à ADP à muscle cellsB
Sun à mitochondria à C6H12O6C
Sun à chloroplasts à mitochondriaD
Sun à mitochondria à chloroplasts25
What is likely to happen in the long term if the Earth continues to absorb more energy than it emits?
A
The Earth will discontinue recycling energy.B
Organisms will begin to compensate for the change by incorporating more energy.C
The overall temperature of the Earth will increase.D
The nutrient cycles will happen more frequently.Did you find these answers helpful?
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