EGEE 101 EXAM 2 2025 QUESTIONS
AND ANSWERS
Which of the following processes does NOT happen in the global carbon cycle?
A) Carbon dioxide in atmosphere slowly dissolves in ocean
B) Carbon dioxide in atmosphere is incorporated in the earth as carbonate rocks
C) Carbon dioxide is absorbed by plants through a process called photosynthesis
D) Glucose is formed during the decay process - ....ANSWER ...-D) Glucose is
formed during the decay process
Fossil fuels are formed due to the interruption of the decay process in the carbon cycle.
A) True
B) False - ....ANSWER ...-A True
The starting point of the formation of fossil fuels is the transformation of decaying
organic matter to kerogen.
A) True
B) False - ....ANSWER ...-A) True
Which of the following contributes to the formation of kerogen?
A) Algae
B) Micro-organisms
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,C) Trees
D) All of the above - ....ANSWER ...-D) All of the above
Kerogen derived from higher plants gets converted to crude oil and natural gas when
buried inside the earth for millions of years.
A) True
B) False - ....ANSWER ...-B) False
Crude oil and natural gas are derived from algae and other non-woody plants.
Kerogens are formed by the transformation of inorganic matter into an insoluble,
polymeric material
A) True
B) False - ....ANSWER ...-B) False
Kerogen formed from algae or plankton is derived from
A) Fats
B) Oils
C) Waxes
D) All of the above - ....ANSWER ...-D) All of the above
Kerogen produced from higher plants gets converted into natural gas.
A) True
B) False - ....ANSWER ...-B) False
What is necessary for the fossil fuel formation?
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, A) Temperature
B) Pressure
C) Time
D) All of the above - ....ANSWER ...-D) All of the above
Kerogens are produced from algae, planktons and higher plants with the help of
decomposition by bacteria.
A) True
B) False - ....ANSWER ...-A) True
Bituminous coal formed in the United States originated during
A) Jurassic period
B) Miocene period
C) Carboniferous period
D) None of the above - ....ANSWER ...-C) Carboniferous period
Lignite coal originated during Jurassic period
A) True
B) False - ....ANSWER ...-A) True
How many hydrogen atoms are present in coal for one carbon atom?
A) 0.8
B) 2
C) 4
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AND ANSWERS
Which of the following processes does NOT happen in the global carbon cycle?
A) Carbon dioxide in atmosphere slowly dissolves in ocean
B) Carbon dioxide in atmosphere is incorporated in the earth as carbonate rocks
C) Carbon dioxide is absorbed by plants through a process called photosynthesis
D) Glucose is formed during the decay process - ....ANSWER ...-D) Glucose is
formed during the decay process
Fossil fuels are formed due to the interruption of the decay process in the carbon cycle.
A) True
B) False - ....ANSWER ...-A True
The starting point of the formation of fossil fuels is the transformation of decaying
organic matter to kerogen.
A) True
B) False - ....ANSWER ...-A) True
Which of the following contributes to the formation of kerogen?
A) Algae
B) Micro-organisms
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
,C) Trees
D) All of the above - ....ANSWER ...-D) All of the above
Kerogen derived from higher plants gets converted to crude oil and natural gas when
buried inside the earth for millions of years.
A) True
B) False - ....ANSWER ...-B) False
Crude oil and natural gas are derived from algae and other non-woody plants.
Kerogens are formed by the transformation of inorganic matter into an insoluble,
polymeric material
A) True
B) False - ....ANSWER ...-B) False
Kerogen formed from algae or plankton is derived from
A) Fats
B) Oils
C) Waxes
D) All of the above - ....ANSWER ...-D) All of the above
Kerogen produced from higher plants gets converted into natural gas.
A) True
B) False - ....ANSWER ...-B) False
What is necessary for the fossil fuel formation?
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 2
, A) Temperature
B) Pressure
C) Time
D) All of the above - ....ANSWER ...-D) All of the above
Kerogens are produced from algae, planktons and higher plants with the help of
decomposition by bacteria.
A) True
B) False - ....ANSWER ...-A) True
Bituminous coal formed in the United States originated during
A) Jurassic period
B) Miocene period
C) Carboniferous period
D) None of the above - ....ANSWER ...-C) Carboniferous period
Lignite coal originated during Jurassic period
A) True
B) False - ....ANSWER ...-A) True
How many hydrogen atoms are present in coal for one carbon atom?
A) 0.8
B) 2
C) 4
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 3
