Quiz about Oceans

Question 1

Surface currents are a result of

Accepted Answer

Global Wind Patterns

Answer

Earth's Rotation

Answer

Density

Answer

All of the above

Question 2

Deep Ocean currents are a result of

Accepted Answer

Density

Answer

Global Wind Patterns

Answer

Earth's Rotation

Answer

All of the above

Question 3

Two types of water currents are

Accepted Answer

surface and deep

Answer

local and global

Answer

sea and land

Answer

warm and cold

Question 4

What term is the measure of dissolved salts in water?

Accepted Answer

Salinity

Answer

Thermocline

Answer

Saltiness

Answer

Tides

Question 5

97% of the water on earth is _________, making it undrinkable for humans.

Accepted Answer

salt water

Answer

fresh water

Answer

ground water

Answer

surface water

Question 6

A connection between terrestrial and aquatic food webs is best exemplified by which pair of animals?

Accepted Answer

pelicans and fish

Answer

dolphins and fish

Answer

lions and gazelles

Answer

spiders and flies

Question 7

Which statement best describes an estuary?

Accepted Answer

An estuary is a partly enclosed body of water where a river meets the ocean.

Answer

An estuary is the extension of a continent located underwater.

Answer

An estuary is land that is exposed at low tide and is underwater at high tide.

Answer

An estuary is a deep body of water that contains large animals.

Question 8

The diagram shows a boat using sonar to gather information in the ocean. What is most likely being measured with this technology?

Accepted Answer

ocean depth

Answer

ocean temperature

Answer

pH level

Answer

turbidity level

Question 9

The population of photosynthetic organisms is higher in the neritic zone and surface waters than in the deep ocean. Which statement best explains the reason for this?

Accepted Answer

The availability of sunlight and nutrients supports photosynthetic organisms.

Answer

There is more space for plants to grow in these areas of the ocean.

Answer

There is more dissolved oxygen for plants in these areas of the ocean.

Answer

The high salinity and cool temperature supports photosynthetic organisms.

Question 10

Which statement about oceans is true?

Accepted Answer

More photosynthesis occurs in the warmer surface waters.

Answer

Pressure is lower on the ocean floor.

Answer

Water temperature increases with depth.

Answer

The colder, deeper waters are less dense than the surface waters.

Question 11

Which statement best describes how nutrients move in the ocean as a result of upwelling?

Accepted Answer

Nutrients move from deep, colder areas to warm, shallow areas.

Answer

Nutrients move from estuaries into the intertidal zone.

Answer

Nutrients move from warm, shallow areas to deep, colder areas.

Answer

Nutrients move from the neritic zone to the intertidal zone.

Question 12

A snaggletooth fish has a glowing lure that extends from its chin to attract prey. In which ocean zone does this fish most likelylive?

Accepted Answer

deep zone

Answer

intertidal zone

Answer

neritic zone

Answer

oceanic zone

Question 13

In what ocean zone do coral reefs grow?

Accepted Answer

neritic zone

Answer

estuarial zone

Answer

intertidal zone

Answer

oceanic zone

Question 14

In what ocean zone are tide pools located?

Accepted Answer

intertidal zone

Answer

estuarial zone

Answer

neritic zone

Answer

oceanic zone

Question 15

The diagram shows an organism that lives in the ocean.What is true about the organism shown?

Accepted Answer

It is nekton.

Answer

It is algae.

Answer

It is benthos.

Answer

It is plankton.

Question 16

Which organism is an example of a benthos?

Accepted Answer

starfish

Answer

jellyfish

Answer

seal

Answer

shark

Question 17

Which organism would be found in an intertidal zone?

Accepted Answer

crab

Answer

coral

Answer

dolphin

Answer

squid

Question 18

Which tool would most likely be used by scientists to explore a hydrothermal vent at the Mid-Atlantic Ridge?

Accepted Answer

remote operated vehicle

Answer

buoy

Answer

satellite imagery

Answer

sonar

Question 19

A group of students developed a model to represent the different zones of an ocean. Which factor prevents the growth of aquatic plants in the aphotic zone?

Accepted Answer

absence of sunlight

Answer

absence of tides

Answer

underwater volcanoes

Answer

salinity of water

Question 20

Which process occurs in the ocean and contributes large amounts of oxygen to the atmosphere?

Accepted Answer

photosynthesis by phytoplankton

Answer

digestion by fish

Answer

decomposition by bacteria

Answer

respiration by zooplankton

Question 21

Water temperature & depth are factors that determine if organisms can live in different zones of the ocean. What is a third factor?

Accepted Answer

Sunlight

Answer

Surface currents

Answer

Plankton

Answer

Gravitational pull

Question 22

Three of the gases below are found DISSOLVED in the ocean. Which of the following is NOT found in the ocean?

Accepted Answer

hydrogen

Answer

oxygen

Answer

nitrogen

Answer

carbon dioxide

Question 23

A source for dissolved salts in the ocean can be contributed to

Accepted Answer

Minerals dissolved from sediment

Answer

Precipitation

Answer

Captain Jack's fight with the Kraken

Answer

Human activity

Question 24

At the mouth of a river salinity is

Accepted Answer

very low due to freshwater in the river

Answer

very low due to salt in the river

Answer

very high due to freshwater in the river

Answer

does not change

Question 25

As salinity increases,

Accepted Answer

density increases

Answer

density decreases

Answer

density stays the same

Question 26

During warmer temperatures evaporation occurs more. Therefore, salinity

Accepted Answer

increases

Answer

decreases

Answer

stays the same

Question 27

Which zone does the temperature and density drop rapidly?

Accepted Answer

transition zone

Answer

surface zone

Answer

deep zone

Question 28

Plants and animals that live on the ocean floor are...

Accepted Answer

benthos

Answer

nekton

Answer

plankton

Answer

diatoms

Question 29

The part of the ocean that extends from the low-tide line to the edge of the continental shelf is the

Accepted Answer

Nertic Zone

Answer

Open Ocean Zone

Answer

Intertidal Zone

Answer

Deep Zone

Question 30

______ are all organisms that swim freely, independent of currents.

Accepted Answer

Nekton

Answer

Benthic

Answer

Plankton

Answer

Algae

Question 31

The plankton that is animal-like is called

Accepted Answer

zooplankton

Answer

bacteria

Answer

phytoplankton

Question 32

This is the zone between high-tide and low-tide (literally means between tides)

Accepted Answer

Intertidal Zone

Answer

Aphotic Zone

Answer

Neretic Zone

Answer

Pelagic Zone

Question 33

The two primary sources for salt being added to the ocean.

Accepted Answer

Chemical weathering and volcanic eruptions

Answer

Earthquakes and landslides

Answer

Fish overpopulation and precipitation

Answer

Melting sea ice and condensation

Question 34

These organisms drift with ocean currents

Accepted Answer

Plankton

Answer

Nekton

Answer

Benthos

Question 35

These organisms can move independently of ocean currents

Accepted Answer

Nekton

Answer

Plankton

Answer

Benthos

Question 36

These organisms live on or in the ocean bottom

Accepted Answer

Benthos

Answer

Plankton

Answer

Nekton

Question 37

The deepest zone in the ocean has high water pressure, low temperatures, and no sunlight.

Accepted Answer

Abyssal Zone

Answer

Neritic Zone

Answer

Pelagic Zone

Answer

Intertidal Zone

Question 38

Large bodies of water do not quickly fluctuate in temperature. Why?

Accepted Answer

Water has a high heat capacity.

Answer

Water is a solvent.

Answer

Water acts as a buffer.

Answer

Water is non-polar.

Question 39

A result of upwelling is a/an _________ in nutrients in the water.

Accepted Answer

Increase

Answer

Decrease

Answer

No Change

Question 40

Upwelling causes the water off the western coasts of continents in the tropics to

Accepted Answer

be productive fishing grounds

Answer

Have warmer temperatures than other tropical waters

Answer

produce El Nino

Answer

ride over cold denser waters below

Question 41

mixture of fresh and salt water

Accepted Answer

Brackish Water

Answer

Upwelling

Answer

Downwelling

Answer

Current

Question 42

Flow of warm, oxygen rich water downward to deeper water

Accepted Answer

Downwelling

Answer

Upwelling

Answer

Current

Answer

Tide

Question 43

an area where ocean water sinks through cracks in the ocean floor, is heated by the underlying magma, and rises again through the cracks

Accepted Answer

Hydrothermal Vents

Answer

Circulation

Answer

Wave

Answer

Tide

Question 44

Daily changes in the level of ocean water

Accepted Answer

Tide

Answer

Algae

Answer

Wave

Answer

Brackish Water

Question 45

Which process does NOT lead to a decrease in the salinity of water?

Accepted Answer

evaporation

Answer

runoff from land

Answer

precipitation

Answer

sea ice melting

Question 46

In addition to salinity, what factor affects the density of seawater?

Accepted Answer

temperature

Answer

depth

Answer

latitude

Answer

salt content

Question 47

What term is the measure of dissolved salts in water?

Accepted Answer

Salinity

Answer

Thermocline

Answer

Saltiness

Answer

Tides

Question 48

Where would you find the lowest density seawater?

Accepted Answer

surface zone

Answer

deep zone

Answer

transition zone

Answer

abyssal zone

Question 49

Light does not reach the bottom of the ocean, yet certain species live there. Which best explains how species on the bottom of the ocean get energy to live?

Accepted Answer

Hydrothermal vents produce energy through chemical reactions.

Answer

Algae and bacteria produce energy through photosynthesis.

Answer

Dead plants and animals produce energy through decomposition.

Answer

Light comes from the core of the earth.

Question 50

Which ocean zone contains hydrothermal vents?

Accepted Answer

Deep zone (abyss)

Answer

Surface zone (sunlight)

Answer

Shallow zone (twilight)

Answer

Midnight zone

Question 51

Deep ocean technology has discovered organisms in hydrothermal vents that do not rely on sunlight to survive. What do these organisms use as their energy source?

Accepted Answer

chemosynthesis

Answer

electrical charge

Answer

hydropower

Answer

thermal heat

Question 52

Which is most likely to be the energy source for organisms living in hydrothermal vents?

Accepted Answer

methane or sulfur

Answer

oxygen

Answer

sunlight

Answer

carbon dioxide

Question 53

What is a similarity between photosynthesis and chemosynthesis?

Accepted Answer

Both are metabolic processes which produce energy for living things

Answer

Both use sunlight

Answer

Both are performed by bumblebees

Answer

Both produce Carbon Dioxide

Question 54

What is chemosynthesis?

Accepted Answer

Where bacteria use chemical reactions to make glucose

Answer

Where bacteria use light energy to make glucose.

Answer

Where plants use light energy to make glucose

Question 55

What is the source of energy for chemosynthesis

Accepted Answer

Chemical energy

Answer

Light energy

Answer

Kinetic energy

Question 56

What is often used as a reactant in chemosynthesis?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Glucose

Question 57

Where are the places that sulfur bacteria live.

Accepted Answer

Near deep sea volcanic vents and inside tube worms.

Answer

In soil and roots of some plants

Answer

Near volcanic vents and in soil

Question 58

One thing chemosynthesis and photosynthesis have in common is that they both require...

Accepted Answer

energy

Answer

glucose

Answer

water

Question 59

Wet weather on U.S. Gulf Coast during winter, which is usually the dry season

- Fewer hurricanes in the North Atlantic

-Strong winds storms on west coast

-Heavy Rains in South America

-Droughts in Australia, Africa, and Southern India, Indonesia

-Reduced tropical upwelling, causing lower fish catches and coral death

Accepted Answer

El nino

Answer

La nina

Oceans

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