MICR 401 EXAM 1 QUESTIONS AND VERIFIED
ANSWERS
As depth and pressure increase, the boiling point of seawater... - Answers - increases
Water temperature in the deep sea, away from hydrothermal vents, is typically... -
Answers - 2-4ºC
CFCs are [......] tracers of water masses. [Which word is missing?] - Answers -
xenobiotic
The most abundant dissolved elements in seawater are - Answers - Na, Cl
Dissolved oxygen (O2) in the deep sea comes from... - Answers - the euphotic zone
A micronutrient that may limit phytoplankton growth in the open ocean is... - Answers -
iron
Halophilic bacteria require... - Answers - sodium chloride
The mean depth of the ocean is said to be... - Answers - 3711 m
This ocean is not described as a gyre... - Answers - Southern Ocean
The term 'high latitudes' refers to... - Answers - polar regions above 60°S and 60°N
The amount of an element in the ocean divided by its rate of removal or addition refers
to... - Answers - the element's residence time in the ocean
In marine microbiology, what is DIC? - Answers - Dissolved inorganic carbon
The solubility pump moves... - Answers - inorganic carbon from the euphotic zone
The surface layer of water at almost uniform temperature and salinity is... - Answers -
the mixed layer
The three major layers of an open ocean water column are... - Answers - surface,
intermediate, deep
Which two factors affect the density of seawater? - Answers - Temperature and salinity
The Coriolis effect describes... - Answers - how Earth's rotation causes winds and
moving objects to curve over the surface
ANSWERS
As depth and pressure increase, the boiling point of seawater... - Answers - increases
Water temperature in the deep sea, away from hydrothermal vents, is typically... -
Answers - 2-4ºC
CFCs are [......] tracers of water masses. [Which word is missing?] - Answers -
xenobiotic
The most abundant dissolved elements in seawater are - Answers - Na, Cl
Dissolved oxygen (O2) in the deep sea comes from... - Answers - the euphotic zone
A micronutrient that may limit phytoplankton growth in the open ocean is... - Answers -
iron
Halophilic bacteria require... - Answers - sodium chloride
The mean depth of the ocean is said to be... - Answers - 3711 m
This ocean is not described as a gyre... - Answers - Southern Ocean
The term 'high latitudes' refers to... - Answers - polar regions above 60°S and 60°N
The amount of an element in the ocean divided by its rate of removal or addition refers
to... - Answers - the element's residence time in the ocean
In marine microbiology, what is DIC? - Answers - Dissolved inorganic carbon
The solubility pump moves... - Answers - inorganic carbon from the euphotic zone
The surface layer of water at almost uniform temperature and salinity is... - Answers -
the mixed layer
The three major layers of an open ocean water column are... - Answers - surface,
intermediate, deep
Which two factors affect the density of seawater? - Answers - Temperature and salinity
The Coriolis effect describes... - Answers - how Earth's rotation causes winds and
moving objects to curve over the surface
