WorksheetsMarine Science Final Exam
Total questions: 55
Worksheet time: 31mins
Name
Class
Date
1.
Earth’s rotation has no effect on ocean currents.
a)
True
b)
False
2.
Deep-water mound-building corals lack which of the following?
a)
Calcium carbonate
b)
Any type of polyp structure
c)
The ability to sexually reproduce
d)
Zooxanthellae
e)
The ability to reproduce asexually
3.
Select ALL that determine density in water:
a)
Temperature
b)
Salinity
c)
Pressure
d)
Light
4.
Nutrients from deep-water environments are brought to the surface by surface currents.
a)
True
b)
False
5.
Winds are created because of the uneven heating the Earth
a)
True
b)
False
6.
The turning of ocean currents to the right in the northern hemisphere and to the left in the southern hemisphere is a result of upwelling
a)
True
b)
False
7.
Upwelling discourages plankton growth.
a)
True
b)
False
8.
What concept is illustrated in the following figure?
a)
a. The Great Ocean Seaway
b)
b. The Great Ocean Racetrack
c)
c. The Great Ocean Conveyor Belt
d)
d. The Great Ocean Rift
9.
Surface currents are caused by
a)
a. upwelling
b)
b. cold water
c)
c.warm water
d)
d. winds
10.
Density depends on ____.
a)
weight
b)
mass
c)
volume
d)
mass and volume
11.
A cork is able to float on water because it is ____.
a)
a crystalline solid
b)
equal in density to water
c)
less dense than the water
d)
small in size
12.
Another reason algae /phytoplankton are important is because these serve as _____________ to most food chains in the ocean
a)
salinity protection
b)
primary food source
c)
barriers from strong currents/weather systems
d)
protection from incoming sunlight
13.
Which of the following is the most abundant of the phytoplankton?
a)
Picoplankton
b)
Coccolithophores
c)
Diatoms (a type of phytoplankton)
d)
Dinoflagellates
14.
Plankton is a group of organisms that:
a)
Are all microscopic
b)
Can all swim or drift
c)
Drift or float freely in aquatic environments for part or all of their lives
d)
Are all plant-like
15.
Plankton are important organisms in aquatic environments because:
a)
They make up the base of the aquatic food web
b)
They are at the top of the aquatic food web
c)
They change oceanic temperatures
d)
Plankton are too small to be important
16.
Earth’s oceans cover nearly ____ of the Earth’s surface
a)
a. 1/2
b)
b. 1/3
c)
c. 3/4
d)
d. 3/5
17.
Sea animals with exoskeletons and shells use _______ dissolved in Earth’s oceans to form bones and shells.
a)
a. calcium
b)
b. iron
c)
c. heat
d)
d. acid
18.
The movement of a large volume of water in the same direction is:
a)
a. ocean
b)
b. current
c)
c. trade wind
d)
d. both a and c
19.
Which of the following statements is TRUE concerning oceans and circulation patterns?
a)
Ocean waters are good at holding heat and can transfer their heat to air affecting the climate
b)
Ocean waters are poor retainers of heat so they do not greatly impact the climate
c)
Ocean circulation patterns are confined to small regions
d)
Ocean currents travel only at the surface of the ocean
e)
None of the answers are true
20.
Slow-moving, cold currents may rise to the surface. This ____ of cold water carries food particles to the surface, resulting in areas of good fishing.
a)
a. upwelling
b)
b. crest
c)
c. tide
d)
d. trough
21.
Which of the following terms is used to describe large circular ocean currents that are driven mostly by the wind?
a)
Upwelling
b)
Ocean Gyres
c)
The Coriolis Current
d)
Thermohaline Circulation
e)
The Global Ocean Conveyor Belt
22.
Upwelling occurs when ____.
a)
a. deep cold water with nutrients rises to the surface
b)
b. water is blown in toward the beaches
c)
c. El Niños occur
d)
d. all of the above
23.
Which of the following ocean circulation patterns brings cold, nutrient-rich water to the surface, supporting marine life in the area?
a)
Ocean Gyres
b)
Thermohaline Circulation
c)
Upwelling
d)
Downwelling
e)
Thermal Vents
24.
What does Newton's First Law establish?
a)
Objects can accelerate or decelerate
b)
The motion of an object won't change unless a force acts upon it
c)
The Coriolis Effect is a force
d)
Acceleration is proportional to force and inversely proportional to mass
25.
Which of the following is NOT something affected by the Coriolis effect?
a)
A plane moving in a curved path from Los Angles to New York City
b)
The global wind patterns
c)
A student running from one end of the gym to the other
d)
The movement of Hurricane Sandy along the coast of the United States
26.
Which of the following is affected by the Coriolis effect?
a)
All options are correct.
b)
Air travel
c)
The global wind patterns
d)
Hurricane paths
27.
Which of the following is responsible for the Coriolis effect on Earth's wind patterns?
a)
The tilt of the Earth
b)
Uneven heating of the globe
c)
The depth of the ocean
d)
The rotation of the Earth
28.
True or false? Because of the Coriolis effect, surface currents in the Southern Hemisphere are deflected to the left.
a)
True
b)
False
29.
Zooxanthellae are essential to reef-building corals because they:
a)
Provide the coral with carbon dioxide.
b)
Filter out harmful solar radiation.
c)
Provide the coral with protection from predators.
d)
Release mucus.
e)
Provide the coral with glucose and help in the deposition of the calcium-carbonate skeleton.
30.
Why are reef-building corals limited to shallow waters?
a)
Salinity varies less in shallow water.
b)
Zooxanthellae need light for photosynthesis.
c)
Calcium carbonate is only available in shallow water.
d)
Nutrients concentrate in shallow water.
e)
Shallow water contains more dissolved organic matter (DOM).
31.
The expulsion of zooxanthellae due to unfavorable conditions is called:
a)
Exflagellation.
b)
Exudation.
c)
Bleaching.
d)
Decalcification.
e)
Denudation.
32.
Eutrophication is very detrimental to the development of coral because it increases:
a)
The amount of nutrients in the water, hence providing the conditions for the overgrowth of algae.
b)
The temperature of the water, which kills the corals.
c)
The temperature of the water, which kills the zooxanthellae.
d)
The salinity of the water, which kills the corals.
e)
The amount of pollutants in the water.
33.
The sweeper tentacles of corals contain:
a)
Zooxanthellae.
b)
Stinging Nematocysts.
c)
Specialized spicules.
d)
Bad-tasting chemicals.
e)
Harmful enzymes.
34.
Giant clams are very large in size because they:
a)
Utilize dissolved organic matter from the water.
b)
Filter a large volume of water.
c)
Are deposit as well as suspension feeders.
d)
Are parasites when young.
e)
Have zooxanthellae.
35.
As seawater becomes more acidic, it is harder for marine organisms to use calcium to build shells and exoskeletons.
a)
True
b)
False
36.
The highest point on a wave is its trough.
a)
True
b)
False
37.
The turning of ocean currents to the right in the northern hemisphere and to the left in the southern hemisphere is a result of the Coriolis effect.
a)
True
b)
False
38.
Earth’s oceans contain ____% of Earth's water.
a)
a. 50
b)
b. 3
c)
c. 97
d)
d. 100
39.
As carbon dioxide increases, the ocean’s water becomes _____.
a)
a. less acidic
b)
b. more acidic
c)
c. more saline
d)
d. both a and c
40.
The lowest point on a wave is the wave ____.
a)
a. trough
b)
b. crest
c)
c. height
d)
d. tide
41.
In each ocean, major surface currents form a circular system of currents called ____.
a)
a. gyres
b)
b. beaches
c)
c. El Niños
d)
d. all of the above
42.
Tides are caused by ____.
a)
a. winds
b)
b. gravitational pull of the moon
c)
c. density currents
d)
d. all of the above
43.
Currents that occur at or near the surface of the ocean are called
a)
Deep Currents
b)
Convection Currents
c)
Surface Currents
d)
Wave Currents
44.
Regular movements of water far below the oceans surface are called
a)
Warm Currents
b)
Deep Currents
c)
Shallow Currents
d)
Surface Currents
45.
Ocean currents bring warm water from the equator towards Earth's
a)
Southern Hemisphere
b)
Continents
c)
Equator
d)
Poles
46.
What is the primary cause of ocean currents?
a)
The rotation of the Earth
b)
The Moon's gravitational pull
c)
Differences in water temperature and salinity
d)
Underwater earthquakes
47.
What role do ocean currents play in the global climate?
a)
They have no significant effect on climate
b)
They only affect coastal regions
c)
They distribute heat around the planet
d)
They move water around the planet
48.
The warm, strong current off the coast of Florida is the
a)
Gulf Stream
b)
California Current
c)
North Equatorial Current
d)
Brazil Current
49.
Does the gulf stream originate near the Equator or the Poles?
a)
Equator
b)
Poles
50.
This Image represents...
a)
Downwelling
b)
Upwelling
c)
Thermohaline circulation
d)
Rip Current
51.
What type of currents are potentially dangerous to swimmers, because they rapidly carry water offshore quickly?
a)
Surface Currents
b)
Longshore Currents
c)
Deep Currents
d)
Rip Currents
52.
The Gulf stream carries _____________ water from the east coast of The United States to the West coast of Europe.
a)
Cold
b)
Warm
c)
Freezing
d)
Fresh
53.
Based on the diagram, is the California current a warm or cold current?
a)
warm current
b)
cold current
54.
Deep Ocean currents caused by
a)
Global Wind Patterns
b)
Earth's Rotation
c)
Differences in density
d)
All of the above
55.
Surface currents are mainly caused by
a)
The Coriolis Effect
b)
Cold and Warm Water
c)
Convection
d)
Wind
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