Envs 101- Water And Food Practice Questions With
Correct Answers
Most phosphorus in the environment is stored in which environmental
compartment?
A. Atmosphere
B. Hydrosphere
C. Lithosphere
D. Biosphere Correct Answer-C. Lithosphere
The following is an example of a biomagnification pathway in a food
chain: DDT in Water → phytoplankton → zooplankton → small fish →
large fish → EagleWhich of the following statements is FALSE?
A. eagles have the highest concentration of DDT compared to other
trophic levels
B. DDT concentrations decrease as trophic levels increase
C. zooplankton are primary consumers
D. phytoplankton is a primary producer and autotroph
E. eagles are top predators in the food chain Correct Answer-B. DDT
concentrations decrease as trophic levels increase
The process that converts atmospheric storage of nitrogen into
ammonia/ammonium (NH3/NH4+) in the soil is called ______.
A.nitrogen fixation
B.denitrification
C.nitrification
, D.photosynthesis Correct Answer-A.nitrogen fixation
The organisms responsible for making nitrogen available to plants are
__________.
A. bacteria
B. fungi
C. birds
D. insects
E. primary consumers Correct Answer-A. bacteria
Which of the following statements is FALSE regarding the loss of
nutrients from agricultural fields?
A. Irrigation of agricultural fields leads to loss of nutrients dissolved in
water through increased run-off.
B. Repeated disturbances of agricultural fields make them more prone
to nutrient losses through erosion.
C. Cover crops in the winter deplete nutrients needed for crops during
growing seasons.
D. Lack of diversity can lead to inefficient use of nutrients from the
soil. Correct Answer-C. Cover crops in the winter deplete nutrients
needed for crops during growing seasons.
Knowing where your next meal will come from is best described which
by term?
A. food security
Correct Answers
Most phosphorus in the environment is stored in which environmental
compartment?
A. Atmosphere
B. Hydrosphere
C. Lithosphere
D. Biosphere Correct Answer-C. Lithosphere
The following is an example of a biomagnification pathway in a food
chain: DDT in Water → phytoplankton → zooplankton → small fish →
large fish → EagleWhich of the following statements is FALSE?
A. eagles have the highest concentration of DDT compared to other
trophic levels
B. DDT concentrations decrease as trophic levels increase
C. zooplankton are primary consumers
D. phytoplankton is a primary producer and autotroph
E. eagles are top predators in the food chain Correct Answer-B. DDT
concentrations decrease as trophic levels increase
The process that converts atmospheric storage of nitrogen into
ammonia/ammonium (NH3/NH4+) in the soil is called ______.
A.nitrogen fixation
B.denitrification
C.nitrification
, D.photosynthesis Correct Answer-A.nitrogen fixation
The organisms responsible for making nitrogen available to plants are
__________.
A. bacteria
B. fungi
C. birds
D. insects
E. primary consumers Correct Answer-A. bacteria
Which of the following statements is FALSE regarding the loss of
nutrients from agricultural fields?
A. Irrigation of agricultural fields leads to loss of nutrients dissolved in
water through increased run-off.
B. Repeated disturbances of agricultural fields make them more prone
to nutrient losses through erosion.
C. Cover crops in the winter deplete nutrients needed for crops during
growing seasons.
D. Lack of diversity can lead to inefficient use of nutrients from the
soil. Correct Answer-C. Cover crops in the winter deplete nutrients
needed for crops during growing seasons.
Knowing where your next meal will come from is best described which
by term?
A. food security
