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OCNG 251 Test 1 Review Flashcards | StudBud
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OCNG 251 Test 1 Review
OCNG 251 Test 1 Review
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#testreview #oceanography
Flashcards
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Questions
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Answers
1
Which stage of the Wilson Cycle is INCORRECT?
Juvenile (Red Sea)
Suturing (Himalayas)
Embryonic (East African rift valley)
Declining (Indian ocean)
2
Which of the following are characteristics of prokaryotes?
Single celled
ALL THE ABOVE
No nucleus
Genetic material is loose
3
Wegener used paleontological evidence of reptiles & ferns, geographic fit of the continents, & glacial movement.
True
False
4
Which of the following was the first extensive expedition dedicated to research?
Meteor Expedition
Cooks' voyages
Topex/Poseidon
HMS Challenger
5
Which is the correct direction and order of settlement of the Polynesian Triangle?
Melanesia, Micronesia, Polynesia
Micronesia, Polynesia, Melanesia
Micronesia, Melanesia, Polynesia
Polynesia, Micronesia, Melanesia
6
Which ocean and land characteristics are true for the Northern Hemisphere?
25% ocean and 75% land
75% ocean and 25% land
60.7% ocean and 39.3% land
39.3% ocean and 60.7% land
7
What is the deepest depression on the earth?
Puerto Rico Trench
Hawaii
The Blue Hole
Mariana's Trench
8
What is the second stage of Charles Darwin's evolution of coral reefs?
Barrier
Hanging
Atoll
Fringing
9
Which layer of earth's crust contains basaltic rocks of earth's ocean crust?
Primary
Quaternary
Tertiary
Secondary
10
The composition of the lithosphere to asthenosphere is:
Rigid to plastic
Rigid to rigid
Plastic to plastic
Plastic to rigid
11
Divergent plate boundaries result in what type of earthquakes?
Intermediate earthquakes
Only shallow earthquakes
Shallow, intermediate, and deep earthquakes
Deep earthquakes
12
What is the average ocean depth?
2918 m
7512 m
5023 m
3796 m
13
Greek evidence earth was a sphere:
Shadows on earth lengthen going northward at any hour/day
Constellations change from north to south hemisphere
ALL THE ABOVE
Eclipse of moon as shadow seen as curves
14
What is the theory that our solar system was formed by nebula gathering and condensing?
Chemosynthesis
Convection cell
Miller experiment
Condensation theory
15
Which layer of the earth is located in the mantle and behaves fluidly?
Lithosphere
Crust
Asthenosphere
Mantle
16
Which layer of earth's crust contains granitic continental crust only found on earth?
Secondary
Primary
Quaternary
Tertiary
17
Elements with atomic weights up to Iron are formed by what kind of star?
Medium mass star
Extra heavy mass star
Light mass star
Heavy mass star
18
Which of the following is an example of a continent-continent divergent plate boundary?
Red Sea
San Andreas Fault
Aleutians
Marianas
19
Ocean crust and Hawaiian islands are both basalt sourced from different depths.
True
False
20
Which of the following helps indirectly determine the chemistry of earth's interior?
Sampling
None of the above
Radiometric dating
Meteorites and earth's magnetic field
21
What does ODP stand for and what year was it implemented?
Ocean Discovery Point, 1982
Ocean Deep Program, 1990
Ocean Drilling Program, 1983
Oceanography Department Program, 1985
22
Which of the following is the greatest excess volatile?
Hydrogen
Carbon
Water
Sulfur
23
Which was a social incentive that led to the funding of the Challenger Expedition?
Trans Pacific Cable
Trans Atlantic Cable
Trans Indian Cable
Trans Arctic Cable
24
Which formula shows the fraction of mantle lost to make the ocean?
Ocean mass / mantle mass + mantle mass
Ocean mass / crust mass
Ocean mass / mantle mass
Ocean mass / mantle mass + ocean mass
25
Red shift means as the galaxies speed away from us, their observed wavelengths appear shorter
True
False
26
What do you need to calculate depth?
Travel time and wave velocity
Travel time
Wave velocity
Wave height
27
When was hydrogen first formed?
15 minutes after the big bang
5 minutes after the big bang
3 seconds after the big bang
3 minutes after the big bang
28
Elements with helium up to atomic weight of carbon and oxygen are formed by what kind of star?
Supernova
Light mass star
Heavy mass star
Medium mass star
29
Which of the following is the CORRECT order and % of the most abundant elements by mass?
H 86%, O 11%, Cl 1.9%, Na 1.1%, Mg 0.1%
O 86%, H 11%, Cl 1.9%, Mg 1.1%, Na 0.1%
O 86%, H 11%, Cl 1.9%, Na 1.1%, Mg 0.1%
Cl 86%, O 11%, H 1.9%, Na 1.1%, Mg 0.1%
30
In 5-6 billion years from now, what stage will our sun enter?
Red giant phase
Black hole
White dwarf phase
Main sequence
31
Which of the following occurred first in the history of oceanography?
Meteor Expedition
Cooks' 3 voyages
Columbus' voyage to find a new trade route in Asia
HMS Challenger Expedition
32
Which of the following is the largest freshwater reservoir?
Permafrost
Groundwater
Glaciers
Surface and atmospheric water
33
How are volcanic island chains (e.g. Hawaii) formed?
Hot spot extends down to asthenosphere boundary
Hot spot extends down to mantle boundary
Hot spot extends down to lithosphere boundary
Hot spot extends down to mantle-core boundary
34
Which ocean and land characteristics are true for the Southern Hemisphere?
31.7% ocean and 68.3% land
68.3% ocean and 31.7% land
80.9% ocean and 19.1% land
19.1% ocean and 80.9% land
35
Who is the father of oceanography?
Ben Franklin
Da Vinci
Henry the Navigator
Maury
36
Who came up with seafloor spreading?
Cook
Hess
Wegener
Columbus
37
The Mesozoic Era is made up of which periods?
Cretaceous
ALL THE ABOVE
Jurassic
Triassic
38
Because the earth rotates west to east, Coriolis force is to the:
right in Southern Hemisphere
right in Northern Hemisphere
left in Northern Hemisphere
left in Southern Hemisphere
39
Seafloor convergent plate boundaries are:
formed by seafloor spreading
destroyed at subduction zones
formed as the continent splits
neither created nor destroyed
40
Who came up with continental drift?
Hess
Cook
Wegener
Columbus
41
If the parent to daughter ratio is 3:1, how much of a half life has passed?
1/5 a half life
1/4 a half life
1/3 a half life`
1/2 a half life
42
What marks the sudden increase in seismic waves?
Inner core
Moho
Lithosphere
Asthenosphere
43
Which group of people took advantage of global warming to sail across the north Atlantic?
Greeks
Chinese
Vikings
Egyptians
44
The outer (liquid) to inner (rigid) core is a:
phase change
chemical change
45
Which of the following are examples of excess volatiles?
H2O
CO2
B (Boron)
ALL THE ABOVE
46
The Greenwich Prime Meridian divides earth into:
Southern and Northern hemisphere
Western and Eastern hemisphere
47
Which part of the scientific method is described as "tests undertaken in nature or in the lab?"
Curiosity
Theory
Experiments
Law
48
Which atmosphere did early biosynthesis of life take place?
Original atmosphere
Ultimate atmosphere
Oxidizing atmosphere
Reducing atmosphere
49
What does IDOE stand for and what year was it implemented?
International Deepsea Ocean Exports, 1990's
International Drilling for Ocean Exploration, 1950's
International Design of Ocean Exports, 1980's
International Decade of Ocean Exploration, 1970's
50
Which layer of earth's crust contains a mineral like Anorthosite?
Primary
Tertiary
Quaternary
Secondary