AnswersBiology_A_ICThe Process of Photosynthesis

The Process of Photosynthesis Answers

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1
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Which statement summarizes a change that occurs during photosynthesis?

A
It converts visible light to high-energy gamma rays.
B
It converts carbon to oxygen.
C
It converts light energy to chemical energy.
D
It converts energy to mass.
2
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Which is the main light-absorbing pigment for photosynthesis?

A
carotene
B
chlorophyll
C
hemoglobin
D
anthocyanin
3

Photosynthesis is important to living organisms because it is

A
the foundation of most food chains.
B
the source of nitrogen gas in the air.
C
how animals get carbon dioxide to breathe.
D
the process that occurs in most ecosystems.
4

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
5

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.
6

Which is an example of why the process of photosynthesis is important to life on Earth?

A
Grass uses photosynthesis to produce glucose, which is used within the grass for growth.
B
Fungi use photosynthesis to decompose dead and decaying plant matter.
C
Ectothermic animals use photosynthesis to convert sunlight into energy for cell functions.
D
Green plants use photosynthesis to remove oxygen gas from the atmosphere and replenish the earth’s carbon dioxide.
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

Consider the formula for glucose: C6H12O6. In the processes of photosynthesis, what supplies the hydrogen (H) used in the formation of glucose?

A
light energy
B
carbon dioxide
C
chlorophyll
D
water
9

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

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

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

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

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