AnswersAISD-Biology A CR - 25-26Photosynthesis and Cellular Respiration

Photosynthesis and Cellular Respiration Answers

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1
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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.
2
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Which best describes the nature of photosynthesis?

A
It is an energy-attracting process.
B
It is an energy-building process.
C
It is an energy-releasing process.
D
It is an energy-storing process.
3

The Calvin cycle and the Krebs cycle are referred to as cycles of chemical reactions because they

A
occur inside organelles.
B
start over continually.
C
are part of the carbon cycle.
D
allow energy to flow in ecosystems.
4

Which best describes the nature of cellular respiration?

A
It is an energy-seeking process.
B
It is an energy-gathering process.
C
It is an energy-releasing process.
D
It is an energy-destroying process.
5

Which molecule is best described as energy rich because of the amount of energy that can be stored in it and released from it?

A
CO2
B
ADP
C
H2O
D
C6H12O6
6

An important similarity between photosynthesis and cellular respiration is that both processes

A
use and store O2.
B
use and make ATP.
C
store energy in glucose.
D
release energy from glucose.
7

Which is the relationship between photosynthesis and cellular respiration?

A
Cellular respiration makes the glucose that is needed by photosynthesis.
B
Photosynthesis makes the glucose that is broken down by cellular respiration.
C
Cellular respiration converts the glucose that is made by photosynthesis to oxygen.
D
Photosynthesis converts the glucose that is made by cellular respiration to carbon dioxide.
8

Which statement is true for both photosynthesis and cellular respiration?

A
It occurs in consumers.
B
It occurs in producers.
C
It produces carbon dioxide.
D
It produces oxygen.
9

The chemical equation below summarizes the process of photosynthesis.6CO2 + 6H2O + energy à 6O2 + C6H12O6Which is the main source of energy that is shown in the equation?

A
soil
B
sun
C
ATP
D
glucose
10

The table below shows data collected in an experiment about gases in inhaled and exhaled air.Percentages of Chemicals in Air O2CO2Inhaled20.94%0.03%Exhaled16.37%4.46%Suppose a similar experiment was set up to measure changes in air composition immediately before and two days after twenty potted plants were placed in a clear, sealed aquarium near a window. Percentages of Chemicals in Air O2CO2Before 20.94%0.03%After ??How would the second row of values in the plant experiment most likely compare to the second row of values in the original experiment?

A
Oxygen levels would be higher, but carbon dioxide levels would be lower.
B
Carbon dioxide levels would be higher, but oxygen levels would be lower.
C
Oxygen levels would be higher, but carbon dioxide levels would be the same.
D
Carbon dioxide levels would be higher, but oxygen levels would be the same.

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