ESRM 100 EXAM 2 QUESTIONS & ANSWERS
1) Please answer correctly, as it will be graded. The subject of this course is _______.
A) Environmental Science
B) Horticulture and Landscaping
C) Advanced Biometrics
D) Astrobiology - Answers -A) Environmental Science
2) Furrow irrigation
A) involves flooding an entire field
B) involves dripping water near the roots of a plant
C) involves digging trenches and filling them with water
D) requires stripping old crops from a field - Answers -C) involves digging trenches and
filling them with water
3) In selective cutting,
A) single trees or small numbers of trees are harvested, and the replanted forest has
trees all of the same age
B) single trees or small numbers of trees are harvested, and the resulting forest consists
of trees of varying ages
C) most, if not all, trees are removed from an area, and the replanted forest has trees all
of the same age
D) most, if not all, trees are removed from an area, and the resulting forest consists of
trees of varying ages - Answers -B) single trees or small numbers of trees are
harvested, and the resulting forest consists of trees of varying ages
4) Acid mine drainage
A) lowers the pH of the soil and streams in the area mined
B) raises the pH of the surrounding water bodies
C) causes black lung disease
D) may be caused by plants in the mining basin - Answers -A) lowers the pH of the soil
and streams in the area mined
5) Lakes that have high productivity due to high levels of nutrients, such as
phosphorous and nitrogen, are called _____________.
A) Mesotrophic lakes
B) Oligotrophic lakes
C) Artesian lakes
D) Eutrophic lakes - Answers -D) Eutrophic lakes
6) The difference between chemical and physical weathering of rock is that
A) physical weathering creates new substances
B) chemical weathering results in erosion
C) chemical weathering results in new substances
, D) physical weathering results in erosion - Answers -C) chemical weathering results in
new substances
7) Which of the following is true regarding carbon monoxide?
A) it is an odorless, colorless gas that can be a dangerous indoor pollutant
B) it only exists in the outer atmosphere
C) it is a product of respiration
D) it is destroying the ozone - Answers -A) it is an odorless, colorless gas that can be a
dangerous indoor pollutant
8) Which of the following is correct regarding sulfur dioxide?
A) it has only anthropogenic sources
B) it is found in high concentrations in leachate from fertilizer
C) it is a corrosive gas that results from the combustion of coal and oil
D) it can positively affect plant tissues, increasing crop yield - Answers -C) it is a
corrosive gas that results from the combustion of coal and oil
9) Contour plowing
A) increases erosion problems
B) requires heavy irrigation usage
C) helps prevent erosion by water
D) is used to improve soil structure by compacting the soil - Answers -C) helps prevent
erosion by water
10) In large-scale, high-tech fishing, ________ is the unintentional catch of nontarget
species, which has significantly reduced populations of fish species such as sharks and
has endangered other organisms such as sea turtles.
A) bycatch
B) netcatch
C) aquaculture
D) masscatch - Answers -A) bycatch
11) Clear-cutting is most beneficial for what purpose?
A) to promote species diversity
B) to regenerate old-growth forests
C) to make room for wildlife
D) to harvest in the most economical way - Answers -D) to harvest in the most
economical way
12) A combined cycle power plant has a greatly increased efficiency due to
A) using a more efficient natural gas combustion gas turbine to generate electricity
B) using the steam generated to turn a steam turbine and generate electricity
C) using alternating fossil fuel sources
D) using a generator with dual capacities - Answers -B) using the steam generated to
turn a steam turbine and generate electricity
1) Please answer correctly, as it will be graded. The subject of this course is _______.
A) Environmental Science
B) Horticulture and Landscaping
C) Advanced Biometrics
D) Astrobiology - Answers -A) Environmental Science
2) Furrow irrigation
A) involves flooding an entire field
B) involves dripping water near the roots of a plant
C) involves digging trenches and filling them with water
D) requires stripping old crops from a field - Answers -C) involves digging trenches and
filling them with water
3) In selective cutting,
A) single trees or small numbers of trees are harvested, and the replanted forest has
trees all of the same age
B) single trees or small numbers of trees are harvested, and the resulting forest consists
of trees of varying ages
C) most, if not all, trees are removed from an area, and the replanted forest has trees all
of the same age
D) most, if not all, trees are removed from an area, and the resulting forest consists of
trees of varying ages - Answers -B) single trees or small numbers of trees are
harvested, and the resulting forest consists of trees of varying ages
4) Acid mine drainage
A) lowers the pH of the soil and streams in the area mined
B) raises the pH of the surrounding water bodies
C) causes black lung disease
D) may be caused by plants in the mining basin - Answers -A) lowers the pH of the soil
and streams in the area mined
5) Lakes that have high productivity due to high levels of nutrients, such as
phosphorous and nitrogen, are called _____________.
A) Mesotrophic lakes
B) Oligotrophic lakes
C) Artesian lakes
D) Eutrophic lakes - Answers -D) Eutrophic lakes
6) The difference between chemical and physical weathering of rock is that
A) physical weathering creates new substances
B) chemical weathering results in erosion
C) chemical weathering results in new substances
, D) physical weathering results in erosion - Answers -C) chemical weathering results in
new substances
7) Which of the following is true regarding carbon monoxide?
A) it is an odorless, colorless gas that can be a dangerous indoor pollutant
B) it only exists in the outer atmosphere
C) it is a product of respiration
D) it is destroying the ozone - Answers -A) it is an odorless, colorless gas that can be a
dangerous indoor pollutant
8) Which of the following is correct regarding sulfur dioxide?
A) it has only anthropogenic sources
B) it is found in high concentrations in leachate from fertilizer
C) it is a corrosive gas that results from the combustion of coal and oil
D) it can positively affect plant tissues, increasing crop yield - Answers -C) it is a
corrosive gas that results from the combustion of coal and oil
9) Contour plowing
A) increases erosion problems
B) requires heavy irrigation usage
C) helps prevent erosion by water
D) is used to improve soil structure by compacting the soil - Answers -C) helps prevent
erosion by water
10) In large-scale, high-tech fishing, ________ is the unintentional catch of nontarget
species, which has significantly reduced populations of fish species such as sharks and
has endangered other organisms such as sea turtles.
A) bycatch
B) netcatch
C) aquaculture
D) masscatch - Answers -A) bycatch
11) Clear-cutting is most beneficial for what purpose?
A) to promote species diversity
B) to regenerate old-growth forests
C) to make room for wildlife
D) to harvest in the most economical way - Answers -D) to harvest in the most
economical way
12) A combined cycle power plant has a greatly increased efficiency due to
A) using a more efficient natural gas combustion gas turbine to generate electricity
B) using the steam generated to turn a steam turbine and generate electricity
C) using alternating fossil fuel sources
D) using a generator with dual capacities - Answers -B) using the steam generated to
turn a steam turbine and generate electricity
