Quiz 1

Navigation » List of Schools » Glendale Community College » Oceanography » Ocean 115 – Introduction to Oceanography » Summer 2019 » Quiz 1

Need help with your exam preparation?

Existing Quiz Clients Login here

Below are the questions for the exam with the choices of answers:

Try The Exam

Question #1

Surface currents distribute tropical heat worldwide. The winters in Scotland, Ireland, and England are relatively mild due to the energy transported by the North Atlantic Current and the Gulf Stream.

A FALSE

B TRUE

Question #2

Downwelling can have direct effects on the climate of an adjacent coast.

A FALSE

B TRUE

Question #3

The Ekman spiral is similar to an eddy in that the water spirals downward like a whirlpool.

A TRUE

B FALSE

Question #4

Gyres tend to collect seaweed and trash as their centers.

A TRUE

B FALSE

Question #5

Surface ocean currents flow vertically in the uppermost 400 meters of the water column.

A TRUE

B FALSE

Question #6

The Intertropical Convergence Zone (ITCZ) represents an imaginary line that divides the Earth into equal energy hemispheres.

A TRUE

B FALSE

Question #7

Water vapor can occupy as much as 4% of the total volume of air.

A FALSE

B TRUE

Question #8

The most abundant gas in Earth’s atmosphere is oxygen.

A FALSE

B TRUE

Question #9

Weather and climate mean the same thing.

A FALSE

B TRUE

Question #10

Earth’s atmosphere and ocean are intertwined, their gases and waters freely exchanged.

A TRUE

B FALSE

Question #11

The pH scale is the logarithmic measure of hydrogen ion concentrations.

A FALSE

B TRUE

Question #12

Carbon dioxide is abundant near the ocean surface due to the photosynthesis activities of plants.

A TRUE

B FALSE

Question #13

When saltwater freezes, the sea salts are incorporated into the ice matrix.

A TRUE

B FALSE

Question #14

The heat properties of seawater are different than pure water due to the dissolved solids and gases present.

A TRUE

B FALSE

Question #15

The salts in the ocean are similar to those of concentrated river water.

A FALSE

B TRUE

Question #16

Seawater density increases with increasing salinity and decreasing pressure.

A TRUE

B FALSE

Question #17

The continuous removal of heat from water always corresponds to a consistent decrease in temperature.

A FALSE

B TRUE

Question #18

Heat and temperature are synonymous terms.

A TRUE

B FALSE

Question #19

The polarity of water makes it able to dissolve many compounds.

A FALSE

B TRUE

Question #20

The influence of water on global temperatures, due to water’s thermal characteristics, prevents broad swings of temperature during the day and night.

A TRUE

B FALSE

Question #21

Which statement is true of sediments in the ocean?

A Hydrogenous sediments cover more volume than biogenous sediments.

B Terrigenous sediments comprise a larger area than biogenous sediments.

C Biogenous sediments comprise a larger area than terrigenous sediments.

D Terrigenous and biogenous sediments are equal in area and volume.

Question #22

What type of marine sediment is derived from igneous rock?

A hydrogenous

B terrigenous

C biogenous

D cosmogenous

Question #23

What is the particle size distribution from largest to smallest?

A coarse sand →granule →medium sand → fine sand

B coarse silt → granule → fine silt → clay

C cobble → boulder → granule → pebble

D boulder → granule → coarse sand → coarse silt

Question #24

Which particle size has the fastest settling velocity in still water?

A coarse sand

B clay

C silt

D fine sand

Question #25

Which areas of the ocean is most likely to have the least accumulation of sediment?

A Abyssal plain

B Continental shelf

C Deep-sea trench

D Oceanic ridge

Question #26

What process gives trenches their unique arc-shaped depressions?

A Spreading

B Erosion

C Subduction

D Turbidity

Question #27

Most geologists believe that submarine canyons have been formed by ____

A Volcanoes

B Subduction

C Sea level changes

D Turbidity currents

Question #28

Passive margins are also referred to as ____.

A Atlantic-type margins

B Converging-type margins

C Basin-type margins

D Pacific-type margins

Question #29

What characteristic of continental crust accounts for more than half of Earth’s solid surface being below sea level?

A Continental crust is thinner than oceanic crust.

B Continental crust is less dense than oceanic crust.

C Continental crust is denser than oceanic crust.

D Continental crust is both less dense and thinner than oceanic crust.

Question #30

What marks the true division between continents and oceans?

A Granite-basalt transitions

B Coastlines

C Abyssal plains

D Coastal deep-sea trenches

Question #31

Segments of a lithospheric plate on either side of a transform fault move in the same direction as one another.

A FALSE

B TRUE

Question #32

Sediments of white or cream color tend to be of biological origin.

A FALSE

B TRUE

Question #33

Past sea surface temperatures can be determined from fossils found in deep ocean sediments.

A TRUE

B FALSE

Question #34

Clays can remain suspended in the water column for decades before settling due to their small size.

A TRUE

B FALSE

Question #35

The rate of sediment deposition is fairly consistent throughout the ocean.

A TRUE

B FALSE

Question #36

The water temperature at the bottom of ocean trenches is very warm.

A TRUE

B FALSE

Question #37

Hydrothermal vents are only found in seawater.

A FALSE

B TRUE

Question #38

Weight of ice on Antarctica has isostatically depressed the continent, and thereby increased the depth of water at the shelf break.

A FALSE

B TRUE

Question #39

Active margins typically are located in the Atlantic Ocean.

A FALSE

B TRUE

Question #40

Continental crust is both thicker and denser than oceanic lithosphere.

A TRUE

B FALSE

Question #41

The lateral movement at transform boundaries causes what type of force?

A Shear

B Torque

C Extension

D Compression

Question #42

Which landscape is an example of a divergent boundary?

A Mid-Atlantic Ridge

B San Andreas

C Cascade Mountains

D Aleutian Islands

Question #43

At what type of Plate Boundary do earthquakes occur at multiple depths: shallow, intermediate and sometimes also deep?

A Subduction zones

B Divergent

C Transform

D Mid-ocean ridges

Question #44

The compressional movement of plate boundaries, such as observed at the Juan De Fuca plate, is representative of which type of boundary?

A Transform

B Divergent

C Convergent

D Spreading center

Question #45

Where is the youngest seafloor found?

A At mid-ocean ridges

B This is a trick questions. All the seafloor is the same age.

C Not enough information to tell

D At continental marrgins where the seafllor abuts the continent

Question #46

Oceanographers and seismologists further explored the theory of continental drift during the early- to mid-twentieth century by correlating patterns of earthquakes and ____.

A Isostatic equilibrium

B Volcanoes

C Tectonic plates

D Convection currents

Question #47

As mountains erode, how will isostatic forces cause Earth’s crust beneath the mountain to behave?

A Rise

B Sink

C Stay the same

D Spread out

Question #48

This animation illustrates how the weak, plastic _______ flows allowing the rigid ______ crust to “float” atop pushed apart by convection currents in the mantle.

A Convection currents… mid-ocean ridge

B magma…. oceanic

C asthenosphere…. lithospheric

D lithosphere… asthenospheric

Question #49

Which concept describes early Earth as separated into layers by gravity, with each deeper layer denser than the layer above?

A Continental Drift

B Seismology

C Tectonic Theory

D Density stratification

Question #50

Which option lists the three forces that cause the plates to move?

A Convergence, Divergence and Transformative

B Conduction, Convection and Radiative

C Convection in the mantle, slab pull and ridge push

D Centripetal, Centrifugal and Convection currents

Question #51

If there is a three hour difference between “clock” noon and “shaft” noon, how many degrees west are you from your point of origin? Assume one rotation of 360°/24 hours = 15°/hour.

A 180 degrees

B 45 degrees

C 90 degrees

D 15 degrees

E 30 degrees

Question #52

The dependence of all living cells on ____ to survive strongly suggests that simple, living molecules originated in the ocean.

A Carbon dioxide

B Methane

C Fresh water

D Saline water

E Oxygen

Question #53

What could ultimately be linked to the present absence of water on Mars?

A Lack of free oxygen in the atmosphere

B Proximity of the sun

C Excess atmospheric carbon dioxide

D Large decrease in atmospheric carbon dioxide

E The presence of a strong magnetic field

Question #54

Through gravitational compression, Earth’s layers were formed by the process of ____.

A Density Stratification

B Plate Tectonics

C Accretion

D Subduction

E Condensation

Question #55

Which condition is necessary for a planet to have a permanent liquid ocean?

A Toxic atmosphere

B Double sun

C Optimum distance from star

D Irregular orbit

E Low gravity

Question #56

Which extreme environment may have favored the origin of life on Earth?

A Estuarine bays

B Rainforest sediments

C Hydrothermal vents

D Dry mountain rocky outcrops

E Polar sea ice

Question #57

What had the most influence in irreversibly changing Earth’s atmosphere?

A Production of oxygen from photosythesizing cyanobacteria

B Fluctuation in cosmic ray

C Formation of carbonic acid in the ocean

D Anaerobic respiration by deep sea organisms

E Chemical break up of water vapor by sunlight

Question #58

Earth’s early atmosphere contained high concentrations of ____.

A Methane and ammonia

B Oxygen and nitrogen

C Carbon dioxide, water vapor and nitrogen

D Oxygen and methane

E Carbon dioxide and oxygen

Question #59

The process by which stars form helium atoms from hydrogen is _______.

A Condensation

B Nuclear fusion

C Accretion

D Compression

E Density Stratification

Question #60

The water for Earth’s ocean originated from __________.

A Solar nebulae

B Volcanic activity and comets

C Other planets

D The sun

E Volcanic activity and other planets

Question #61

Magma typically rises to Earth’s surface at transform boundaries.

A TRUE

B FALSE

Question #62

Early scientists were in agreement about the age of Earth.

A TRUE

B FALSE

Question #63

Surface seismic waves cause most of the property damage suffered in an earthquake.

A TRUE

B FALSE

Question #64

Seismic shadow zones confirmed the presence of Earth’s core.

A FALSE

B TRUE

Question #65

Plate Tectonic Theory describes how the relative motion of Earth’s tectonic plates controls the distribution of landforms.

A TRUE

B FALSE

Question #66

New oceanic crust is created at Mid-ocean ridges.

A FALSE

B TRUE

Question #67

The Hawai’ian Islands coincide with a tectonic plate boundary.

A TRUE

B FALSE

Question #68

Oceanic crust is thinner than continental crust.

A FALSE

B TRUE

Question #69

Geologists of the mid-twentieth century determined that the ocean floor was much older than the centers of continents.

A TRUE

B FALSE

Question #70

Researchers have drilled all the way to Earth’s core.

A FALSE

B TRUE

Question #71

The ocean is as old as the Earth.

A FALSE

B TRUE

Question #72

During the early years of Earth, lighter elements such as silicon, magnesium, and aluminum rose to the surface, forming Earth’s crust.

A FALSE

B TRUE

Question #73

The fact that all life cells depend on saline water suggests that life evolved in the ocean.

A FALSE

B TRUE

Question #74

One of the conditions necessary for a planet to have a permanent ocean of liquid water is to have a solid core.

A FALSE

B TRUE

Question #75

Longitudinal lines run parallel to the equator.

A FALSE

B TRUE

Question #76

Earth’s early atmosphere was similar to the present day atmosphere, composed mostly of oxygen and nitrogen.

A FALSE

B TRUE

Question #77

Once established, a Scientific Theory is always correct and cannot be changed.

A FALSE

B TRUE

Question #78

Although oceanographers may specialize in one particular area of study, the nature of the science is interdisciplinary, meaning that marine scientists must have a general knowledge of all areas of oceanography in order to study the system as a whole.

A FALSE

B TRUE

Question #79

Over 97% of all surface water on Earth resides in the ocean.

A TRUE

B FALSE

Question #80

The concept of a single world ocean emphasizes the interdependence of ocean and land, life and water, atmospheric and oceanic circulation, and natural and human-made environments.

A TRUE

B FALSE

Try The Exam

Fresh Grad Lands Job as Real Estate Agent With Help from Professional Writers

Need help with your exam preparation?

Below are the questions for the exam with the choices of answers:

Christian S.

Tyra

Linda

Manush

We accept payment