Water Resource

Question 1

The largest catch that can be taken from a species stock without causing the population to decline from year to year is

Answer 1

maximum sustained yield

Question 2

the land from which the surface drains into a body of water

Answer 2

watershed

Question 3

A water purification technology that uses semi permeable membrane to remove larger particles from drinking water is

Answer 3

reverse osmosis

Question 4

any industry or occupation devoted to catching processing or selling fish shellfish or other aquatic animals is

Answer 4

fishery

Question 5

The amount of dissolved oxygen needed by aerobic biological organisms in a body of water to break down organic material present in a given water sample at certain temperature over a specific time period is

Answer 5

BOD

Question 6

this forms when the roof of an underground cavern collapses after being drained of groundwater

Answer 6

sinkhole

Question 7

A sub population of a particular species of fish which has a degree of reproductive isolation from other sub populations of the same species of fish in a space time or in both is referred to as a

Answer 7

fish stock

Question 8

and irrigation method that saves water and fertilizer by allowing water to be added slowly directly to the roots of plants or into the soil surface is

Answer 8

drop irrigation

Question 9

species unintentionally caught while fishing for different target species are referred to as

Answer 9

bycatch

Question 10

water purification method in which salt water is heated until it evaporator leaving behind salt in a solid form is

Answer 10

distillation

Question 11

using long expenses of nets that hang down into the water to catch passing fish is a method called

Answer 11

drift net

Question 12

any underground layer of water bearing permeable Rock from which groundwater can be extracted using a water well is a

Answer 12

aquifer

Question 13

A measure of the combined content of all in organic and organic substances found in a suspended form in water is

Answer 13

TDS

Question 14

changing the amount of precipitation that falls from clouds by dispersing substances into the air that serve as condensation nuclei is

Answer 14

cloud seeding

Question 15

A water quality test to measure the amount of N03 in the water is called

Answer 15

nitrates

Question 16

if fishing technique that uses a funnel shaped net to drug along the ocean bottom is

Answer 16

bottom trawling

Question 17

A method of crop irrigation in which a sprinkler rotates around a central point and waters plants directly from above is

Answer 17

center pivot irrigation

Question 18

any water that has been adversely affected in quality by human actions is

Answer 18

wastewater

Question 19

A series of tests that are used to determine the overall quality of a source of water is

Answer 19

WQI

Question 20

A fishing technique in which a series of baited hooks are strewn into the water is

Answer 20

long line fishing

Question 21

and artificial channel that is constructed to convey water from one location to another is a

Answer 21

aqueduct

Question 22

A water quality test that measures the amount of P043- present in a water source is

Answer 22

phosphates

Question 23

A fishing technique in which a large well of netting deployed around an entire area or school of fish is

Answer 23

purse seine

Question 24

A large natural or artificial lake used as a source of water supply is a

Answer 24

reservoir

Question 25

water quality test that tests for the presence of bacteria found in human feces is

Answer 25

coliform

Question 26

The farming of aquatic organisms such as fish crustaceans mollusks and aquatic plants is

Answer 26

aquaculture

Question 27

The aquatic ecosystem response to the addition of artificial or natural substances mainly phosphates and nitrates to detergents fertilizers or sewage to an aquatic ecosystem is

Answer 27

cultural eutrophication

Question 28

another word for watershed is

Answer 28

drainage basin

Question 29

water quality test in which water clarity is tested by submerging a seechi disk and seeing how deep the disk goes before it becomes too cloudy to see

Answer 29

turbidity

Question 30

The water located beneath the earth surface in a soil poor spaces and in fractures of rock formations is

Answer 30

groundwater

Question 31

A fishing practice that is done it is sustainable rate where the fish population does not decline over time because of fishing practices

Answer 31

sustainable fishing

Question 32

The city of Riverside primarily uses which source of water for a municipal use

Answer 32

aquifers

Question 33

The city of Los Angeles primarily uses which source of water for their municipal use

Answer 33

lost angeles aqueduct

Question 34

San Diego primarily uses which source of water for their municipal use

Answer 34

Colorado aqueduct

Question 35

increasing the water level in an aquifer is called

Answer 35

recharging

Question 36

water levels increase in aquifers when

Answer 36

water percolates down thru the soil in the aquifers watershed

Question 37

The biggest user of water in the US is for

Answer 37

agriculture

Question 38

The biggest user of water worldwide is for

Answer 38

agriculture

Question 39

available freshwater sources are greater in

Answer 39

eastern US

Question 40

aquifer is generally considered a _________ resource

Answer 40

renewable

Question 41

which aqueduct leads from the eastern boundary of California into southern California

Answer 41

Los Angeles aqueduct

Question 42

which aqueduct leads from the Owens Valley and to Southern California

Answer 42

Los Angeles aqueduct

Question 43

which aqueduct leads from sierra Nevada mountains east of Sacramento into Southern California

Answer 43

california aqueduct

Question 44

which aqueduct provides San Francisco water

Answer 44

california aqueduct

Question 45

Valley that was flooded during the construction of an aqueduct to bring water to San Francisco

Answer 45

hetch hetchy

Question 46

primary reason for the large scale die version of water from the Aral Sea is

Answer 46

aqriculture

Question 47

The Aral Sea is located in

Answer 47

Kazakhstan

Question 48

which fishing method results in the most by catch

Answer 48

bottom trawling

Question 49

which fishing method results in the least amount of by catch

Answer 49

aquaculture

Question 50

which fishing method results in the greatest amount of habitat distructiom

Answer 50

bottom trawling

Question 51

nutrient run off results in algal blooms was which eventually _____________ The amount of dissolved oxygen in an aquatic ecosystem as the algae run out of nutrients and die off and decompose

Answer 51

decrease

Question 52

The main source of nutrients added aquatic ecosystems in the US is from

Answer 52

run off from agricultural areas

Question 53

The process in which a nutrient run off ultimately results in species die offs do to lowered DO levels is called

Answer 53

eutrophication

Question 54

in order for a water resource to be given A rating of excellent the WQ I must be above

Answer 54

85

Question 55

what percent of earths total water supply of available freshwater for human use is left

Answer 55

much less then 1%

Question 56

which continent contains the majority of earths freshwater resources

Answer 56

Asia

Question 57

which continent has more water resources percentage wise than population percentage wise

Answer 57

south america

Question 58

approximately what percentage of the worlds population lives in an area that experiences water shortages

Answer 58

50

Question 59

The most reasonable solution for providing water to the worlds population is

Answer 59

waste less water

Question 60

aquifers are considered _________ resources

Answer 60

renewable

Question 61

The largest dam in the world is

Answer 61

Three Gorges, China

Question 62

proximately what percentage of the water diverted and pumped out of aquifers for human use is wasted

Answer 62

65

Question 63

approximately what percentage of water that is applied to agricultural areas is wasted

Answer 63

60

Question 64

approximately what percentage of fish that are caught are considered by catch

Answer 64

30

Question 65

approximately what percentage of fish species are considered to be fish at or past their sustainable limits

Answer 65

75