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.
3

Hon placed aquatic plants in several test tubes that were filled with water. Then, he placed half of the test tubes in a dark closet and the other half in a well-lit room. When he recorded his data, some of the plants had formed many small bubbles on the leaves, and some did not. Which describes what Hon most likely observed and the reason for these results?

A
The plants in the dark formed bubbles because they released hydrogen gas.
B
The plants in the dark formed bubbles because they released water vapor.
C
The plants in the light formed bubbles because they released carbon dioxide gas.
D
The plants in the light formed bubbles because they released oxygen gas.
4

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.
7

Which explains how the Calvin cycle and the Krebs cycle differ?

A
The Calvin cycle uses ATP to make glucose.
B
The Krebs cycle uses ADP to make glucose.
C
Only the Calvin cycle occurs in plant cells.
D
The Krebs cycle only repeats in animal cells.
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

Which best summarizes the flow of energy in a producer?

A
Sun à ADP à muscle cells
B
Sun à mitochondria à C6H12O6
C
Sun à chloroplasts à mitochondria
D
Sun à mitochondria à chloroplasts
10

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.

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