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The Process of Photosynthesis Answers

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1
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Which of these statements is true about autotrophs, but not heterotrophs?

A
They use sugar and oxygen to make carbon dioxide and water.
B
They use chlorophyll and oxygen to make carbon dioxide and water.
C
They use sunlight, water, and carbon dioxide to make sugars.
D
They use sunlight, water, and oxygen to make chlorophyll.
2
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How are the products represented in the chemical equation for photosynthesis?

A
O2 + 6CO2
B
C6H12O6 + 6H2O
C
6CO2 + 6H2O
D
C6H12O6 + 6O2
3

What component of Earth’s atmosphere exists entirely as a result of photosynthesis?

A
oxygen gas
B
water vapor
C
nitrogen gas
D
carbon dioxide gas
4

Navah writes out the chemical equation for photosynthesis. She includes two reacting molecules to the left of the arrow and two resulting molecules to the right.What must be added to the chemical equation to more accurately represent photosynthesis?

A
light energy, above the arrow
B
chlorophyll, to the left of the arrow
C
enzymes, to the left of the arrow
D
ATP, above the arrow
5

In which situation would it be least likely for a scientist to revise her experimental methods?

A
if her results support her hypothesis
B
if her data do not support her hypothesis
C
if no conclusions can be drawn from the data
D
if results are the same after repeating the procedure
6

Which is the word equation for photosynthesis?

A
mc009-1.jpg
Option A
B
mc009-2.jpg
Option B
C
mc009-3.jpg
Option C
D
mc009-4.jpg
Option D
7

Miles wants to write the equation for photosynthesis. The diagram below represents one of the molecules in the equation.Which chemical formula reflects the diagram?

Question illustration
A
6O12H6C
B
6C12H6O
C
O6H12C6
D
C6H12O6
8

Which statement best describes what a thylakoid does during photosynthesis?

A
surrounds the grana and keeps them moist
B
enables the light-dependent reactions to occur
C
combines carbon dioxide and water to make sugar
D
helps the light-independent reactions to occur
9

How are the reactants represented in the chemical equation for photosynthesis?

A
6CO2 + O2
B
6CO2 + 6H2O
C
C6H12O6 + 6O2
D
C6H12O6 + 6H2O
10

Which statement best describes the relationship of photosynthesis and energy?

A
The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.
B
The process of photosynthesis is energy-releasing because the process converts light energy into free energy that can be used for cell functions.
C
The process of photosynthesis is energy-conserving because no energy is used throughout the process of forming glucose and oxygen molecules.
D
The process of photosynthesis is energy-wasting because photosynthesis is an inefficient process that depletes the cell of energy stored in the bonds of glucose.

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