Environmental Biology Questions For Spring 2000

Front 1

(T/F) Eutrophication can be defined as a population explosion of corals.

Back 1

False (population explosion of algae)

Front 2

(T/F) Hazardous waste (such as PCBs) can be legally burned in the incerators built to burn household trash.

Back 2

False

Front 3

(T/F) The maxmum sustainable yield of a resource is the greatest harvest level that will not deplete the resource.

Back 3

True

Front 4

(T/F) Fossil fuels are non-renewable energy sources.

Back 4

True

Front 5

(T/F) Since cholera is spread by contaminatd food or water, people in Pohnpei who got the disease must have encountered the pathogen in this way.

Back 5

True

Front 6

(T/F) Ordot dump is an example of a sanitary landfill.

Back 6

False

Front 7

(T/F) Alternative energy sources for Micronesia include solar power.

Back 7

True

Front 8

(T/F) Leachate can poison our food supply by increasing concentrations of poisons in the food chain.

Back 8

True

Front 9

(T/F) Hazardous wte includes only radioactive wastes (such as those from a nuclear power plant).

Back 9

False

Front 10

(T/F) Point source pollution is generally easier to prevent than non-point source pollution.

Back 10

True (since you can identify the polluter).

Front 11

(T/F) The greenhouse effect is the same phenomenon as global warming.

Back 11

True

Front 12

(T/F) If global warming continues at its preset rate, some coral reefs will die.

Back 12

True

Front 13

(T/F) Risk assessment is something best decied by scientists based only on scientific data.

Back 13

False

Front 14

(T/F) Burning trash at low temperatures (such as the recent tire fire at Ordot) can produce dangerous chemicals that we should not breathe.

Back 14

True

Front 15

(T/F) Indicator bacteria (such as E.coli) are very likely to cause serious diseases in people who swim in contaminated waters.

Back 15

False (stomach ache, rash)

Front 16

(T/F) If organic waste has a higher biochemical oxygen demand, then it will use up more oxygen when bacteria decompose the waste.

Back 16

True

Front 17

(T/F) In order to sustainably harvest tuna, we need to know both the population size and the population growth rate of the tuna.

Back 17

True

Front 18

(T/F) The "Tragedy of the Commons" can only be prevented by private ownership of a resource.

Back 18

False

Front 19

(T/F) Most ecologists favor re-use of resources (such as paper) instead of incineration of such trash.

Back 19

True

Front 20

(T/F) Sustainable development usually occurs if we exceed the maximum sustainable yield of a resource.

Back 20

False

Front 21

Examples of renewealbe resources include:
a)aluminum ore
b)water
c)coal
d)sewage

Back 21

b)

Front 22

Hazarous wastes:
a)must be shipped off-island because we cannot safly processthem here in Micronesia
b)include the carbon dioxide that causes the greenhouse effect
c)are never present in incinerator ash
d)are usually not found in the leachate from Ordot dump

Back 22

a)

Front 23

Eutrophication:
a)is a form of water pollution
b)occurs mainly in freshwater ponds and lakes
c)gives a competitive advantage to corals
d)leaks hazardousawste into our environment

Back 23

a)

Front 24

Actions we mighthave to take to maintain an adequate supply of fresh water include:
a)water conservation
b)building as many wells as we ant in our northern lens
c)overpumping our wells
d)building 3 or 4 lakes the size of Fena Lake

Back 24

a)

Front 25

Ecological effects of global warming might include:
a)extinction of species that cannot adapt to a rapid rise in temperature
b)more money spent on flood control
c)more ultraviolet radiation reaching the earth
d)a sea level rise of 4-5 meters in the next 100 years

Back 25

a)

Front 26

Examples of sustainable development include:
a)responsible ecotourism
b)building 25 golf courses on an insland the size of Guam
c)allowing everyone to catch as many reef fish as they wish
d)use of more fossil fuels in the future

Back 26

a)

Front 27

The best level of sewage treatment for protecting coral reef from eutrophication is:
a)primary treatment
b)secondary treatment
c)tertiary treatment
d)quaternary treatment

Back 27

c)

Front 28

The "Tradegy of Commons" occurs whenerever:
a)conservation by individuals lead to sustanaible resource use
b)government regulation produces conservation
c)conservation by individuals does not protect the resource from depletion
d)each family owns part of a resource (such as a reef)

Back 28

c)

Front 29

High levels of coliform bacteria in ocean:
a) mean that our sewage treatmet plants are working
b)are not a reason to close beaches to swimmers
c)mean that we are "swimming in sewer"
d)mean that cholera bacteria are also present in the water

Back 29

c)

Front 30

Negative ecological effects of global warming include:
a)death of animals that tolerate higher temperature
b)sea level rise of 1-1.5 fet in the next 100 years
c)a higher rate of coral reproduction
d)more sharks in the ocean

Back 30

b)

Front 31

In order to determine if a resource is reneweable, we must know:
a)the replacement rate of the resource
b)the number of people using the resource
c)the rate of use of the resource
d)both a and c

Back 31

d)

Front 32

Characteristics of a sanitary landfill include:
a)separation of tires from garbage
b)a liner to prevent leachate from contaminating nearby soil and water supplies
c)an incinerator to burn most of the trash
d)a recycling center near the landfill

Back 32

b)

Front 33

Current evidence for global warming includes:
a)data showing an increase in the concentration of carbon dioxide since the start of the Industrial Revolution
b)data on the hole in the ozone layer
c)data showing fewer tropical storms in the last 50 years
d)data on increased use of substitutes for CFCs

Back 33

a)

Front 34

Integrated waste management includes:
a)an incinerator and a landfill
b)recycling and a landfill
c)recycling, a landfill, and an incinerator
d)source depletion, recycling, a landfill, and an incinerator

Back 34

d)

Front 35

Examples of hazardous waste include:
a)pesticides
b)sewage
c)hotwater from power plants
d)construction debris (like wood and bricks)

Back 35

a)

Front 36

Examples of "tragedy of the commons" include:
a)sustainable development of agroforests
b)overfishing of many popular food fishes found in our oceans
c)water-rationing in times of drought
d)forced recycling of all materials that can be recycled

Back 36

b)

Front 37

Examples of non-point source pollution include:
a)sewage from our sewage treatment plants
b)the hazardous chemicals stored in shed at a local resort
c)a chlorine lea from the gas cylinders near a water well
d)storm runoff from our roads

Back 37

d)

Front 38

Source reduction involves:
a)buying food in individual packages
b)buying food in bulk with a minimum of packaging
c)using non-biodegradable pesticides
d)using pesticides when biological control agents are available

Back 38

b)