Question 1

_____ is the ability to do work.

Accepted Answer

A)   Fuel
B)   Conservation
C)   Energy
D)   Photosynthesis
E)   Motion

Question 2

Which of the following organisms is NOT an autotroph?

Accepted Answer

A)   algae
B)   cyanobacteria
C)   mushroom
D)   corn
E)   pine tree

Question 3

"Heat" is best described as

Accepted Answer

A)   kinetic energy associated with the formation of chemical bonds.
B)   potential energy associated with the breaking of chemical bonds.
C)   kinetic energy associated with chemical bonds.
D)   potential energy associated with random particle motion.
E)   kinetic energy associated with random particle motion.

Question 4

Visible light has wavelengths in the range of

Accepted Answer

A)   100-450 nm.
B)   300-675 nm.
C)   375-920 nm.
D)   400-750 nm.
E)   600-900 nm.

Question 5

Which sequence correctly traces the flow of energy needed to move an automobile?

Accepted Answer

A)   chemical energy;heat energy;kinetic energy
B)   kinetic energy;heat energy;chemical energy
C)   chemical energy;kinetic energy;chemical energy
D)   heat energy;chemical energy;kinetic energy
E)   heat energy,kinetic energy;chemical energy

Question 6

Chlorophyll pigments absorb __________,which in turn excite _________,which then are used in reactions to generate __________.

Accepted Answer

A)   photons;electrons;ATP
B)   protons;electrons;ATP
C)   photons;electrons;protein
D)   protons;photons;ATP
E)   electrons;photons;protein

Question 7

Why did searching for unique algae species open new opportunities for their use as a biofuel?

Accepted Answer

A)   It made the process less cost effective.
B)   It allowed algae to be grown in a narrower range of locations.
C)   It can make the process independent of sunlight.
D)   It allowed for the use of existing forms of kinetic energy.
E)   All of these answer choices are correct.

Question 8

What molecules are produced by autotrophs?

Accepted Answer

A)   C6H12O6 and H2O
B)   O2 and CO
C)   C6H12O6,H2O,and O2
D)   H2O and O2
E)   C6H12O6 and O2

Question 9

Which of the following colors is least useful in photosynthesis?

Accepted Answer

A)   blue
B)   green
C)   red
D)   yellow
E)   orange

Question 10

If your car runs out of gas,the energy that was contained in the gas has

Accepted Answer

A)   been destroyed.
B)   increased and changed form.
C)   been converted to several other forms of energy.
D)   created new energy.
E)   been converted into chemical energy.

Question 11

Each time energy is converted from one form to another,a percentage of that energy is lost as _____ or fails to be converted.

Accepted Answer

A)   water
B)   carbon dioxide
C)   combustion
D)   fuel
E)   heat

Question 12

Photons are critical to the process of photosynthesis because photons _____.

Accepted Answer

A)   provide the water needed to conduct photosynthesis
B)   are needed to excite the electrons of the pigment atoms in chlorophyll
C)   provide the electricity needed to excite the chlorophyll in the leaves
D)   cause leaves to appear green and attract sunlight
E)   provide the chlorophyll needed to conduct photosynthesis

Question 13

Which of the following equations describes photosynthesis?

Accepted Answer

A)   sunlight + O2  →\rightarrow→  CO2 + H2O + glucose
B)   sunlight + glucose + CO2  →\rightarrow→  O2 + H2O
C)   sunlight + CO2  →\rightarrow→  O2 + H2O + glucose
D)   sunlight + H2O + CO2  →\rightarrow→  O2 + glucose
E)   sunlight + H2O + O2  →\rightarrow→  CO2 + glucose  D

Question 14

Which statement accurately summarizes the process of photosynthesis?

Accepted Answer

A)   Chloroplasts capture sunlight,carbon dioxide is split,oxygen is released,and oxygen is used to convert captured energy into glucose.
B)   Chloroplasts capture carbon dioxide,water is split,sunlight turns carbon dioxide into oxygen,and oxygen is used to convert glucose to energy.
C)   Chloroplasts capture sunlight,water is split,oxygen is released,and carbon dioxide is used to convert oxygen to glucose.
D)   Chloroplasts capture oxygen,sunlight turns oxygen into carbon dioxide,and carbon dioxide is used to convert glucose to energy.
E)   Chloroplasts capture sunlight,water is split,oxygen is released,and carbon dioxide is used to convert chemical energy into glucose.

Question 15

What organelle(s) would a non-photosynthetic alga need to obtain in order to carry out photosynthesis?

Accepted Answer

A)   mitochondria
B)   nucleus
C)   chloroplast
D)   solar transformer
E)   cell membrane

Question 16

The principle that energy is neither created nor destroyed,but can change form,is referred to as the principle of

Accepted Answer

A)   entropy.
B)   energetics.
C)   kinetics.
D)   conservation of energy.
E)   creation.

Question 17

All of the following photosynthetic organisms are currently being researched as sources of biofuels EXCEPT

Accepted Answer

A)   soy beans.
B)   corn.
C)   rapeseed (canola) .
D)   algae.
E)   peanuts.

Question 18

The loss of which energy source would affect the United States the most,given its current energy usage?

Accepted Answer

A)   renewable sources
B)   coal
C)   petroleum
D)   natural gas
E)   nuclear power C

Question 19

All of the following are sources of renewable energy EXCEPT

Accepted Answer

A)   hydroelectric.
B)   biomass.
C)   solar.
D)   coal.
E)   geothermal. D

Question 20

Which car would have the most efficient engine in terms of energy conversion?

Accepted Answer

A)   a luxury truck with 20 mpg
B)   a sports vehicle with 25 mpg
C)   an SUV with 28 mpg
D)   a compact with 30 mpg
E)   a bus with 32 mpg

Exam 5: Energy and Photosynthesis

_____ is the ability to do work.

Correct AnswerverifiedShow Answer

Which of the following organisms is NOT an autotroph?

Correct AnswerverifiedShow Answer

"Heat" is best described as

Correct AnswerverifiedShow Answer

Visible light has wavelengths in the range of

Correct AnswerverifiedShow Answer

Which sequence correctly traces the flow of energy needed to move an automobile?

Correct AnswerverifiedShow Answer

Chlorophyll pigments absorb __________,which in turn excite _________,which then are used in reactions to generate __________.

Correct AnswerverifiedShow Answer

Why did searching for unique algae species open new opportunities for their use as a biofuel?

Correct AnswerverifiedShow Answer

What molecules are produced by autotrophs?

Correct AnswerverifiedShow Answer

Which of the following colors is least useful in photosynthesis?

Correct AnswerverifiedShow Answer

If your car runs out of gas,the energy that was contained in the gas has

Correct AnswerverifiedShow Answer

Each time energy is converted from one form to another,a percentage of that energy is lost as _____ or fails to be converted.

Correct AnswerverifiedShow Answer

Photons are critical to the process of photosynthesis because photons _____.

Correct AnswerverifiedShow Answer

Which of the following equations describes photosynthesis?

Correct AnswerverifiedD

Which statement accurately summarizes the process of photosynthesis?

Correct AnswerverifiedShow Answer

What organelle(s) would a non-photosynthetic alga need to obtain in order to carry out photosynthesis?

Correct AnswerverifiedShow Answer

The principle that energy is neither created nor destroyed,but can change form,is referred to as the principle of

Correct AnswerverifiedShow Answer

All of the following photosynthetic organisms are currently being researched as sources of biofuels EXCEPT

Correct AnswerverifiedShow Answer

The loss of which energy source would affect the United States the most,given its current energy usage?

Correct AnswerverifiedC

All of the following are sources of renewable energy EXCEPT

Correct AnswerverifiedD

Which car would have the most efficient engine in terms of energy conversion?

Correct AnswerverifiedShow Answer

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Chlorophyll pigments absorb ______,which in turn excite _,which then are used in reactions to generate ______.

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D

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C

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