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Science Final
Science Final
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99 question review for a final exam
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1
What is the purpose of adding chlorine to water during the water treatment process?
to remove unwanted gases
to form floes that bacteria & other impurities will cling to
to filter and remove large debris
kill bacteria that have accum&prev future bacterial growth
2
A sustainable world would be characterized by the?
max exploitation of natu reso using more adva tech
presc of rare animals by relocation from natrual habi
indefinite existence of human pop in healthy&prosperous con.
invention safer storage facilities for incs amounts to lab
3
The major human causes of extinction today are?
hunting and destroying habitats
both (A)& (B)
polluting and introducing non-native species
neither (A) or (B)
4
Which of the following is a major source of biomass fuel in developing countries?
Dung
Wood
Both (a) and (b)
Corn
5
The three final steps of the experimental method in their correct order are?
observing, hypothesizing, & drawing conclusions
rep. expe. communicating results & drawing con.
drawing con., analyzing data, and repeating exper.
drawing con. repeating exper. & communication results
6
Where are many critical biodiversity hot spots located?
islands, tropical rain forests, and coastal areas
cities and developed areas of the world
desert and polar environments
all of the above
7
Reclamation is the process of?
Remove coal from a subsurface scam
Extract ore minerals from gangue minerals
Protect the habitat of local wildlife
Return land to its original or better con. after mining
8
the Richter scale best describes the
duration of an earthquake
magnitude of an earthquake
frequency of a wave
location of a wave
9
Between 1880 and 1930 human population doubled due to?
the industrial revolution
all the above
improvements in societal infrastructure and services
a combination of high birth rates and low death rates
10
Hybrid cars use?
a photovoltaic cell and an electric motor
A fuel cell and a solar cell
an efficient gasoline engine and a fuel cell.
an efficient gasoline engine and an electric motor
11
What id the main reason why fewer nuclear power plants are being built today than 40 years ago?
they are to expensive to generate electricity at res cost
Nuclear fusion powerplants are being built instead
federal laws prohibit the develop of new nuclear power plant
Supplies of U235 are exhausted
12
How many species are estimated to be living on Earth?
between 1 and 2 million
between 10 and 50 million
between 500,000 and 1 million
between 10,000 and 100,000
13
What essential characteristics does a good experiment have?
A controle group is given the experimental treatment
both (B) and (C)
A single variable is tested
A control is used
14
In a scientific investigation it is important that the number of objects/events being sampled?
big enough to give an accurate estimate of the whole pop
Equal to the total statistical population
Guess of how likely a unwanted outcome will be
equal to the mean of obj. or events not sampled.
15
Educating women worldwide has lowered birth rates partly because?
all of the above
edu women may learn family-planing techniques
educated women contribute less to their family income
edu women need bear many child to ensure some will survive
16
A focus of environmental science not studied in ecology is the?
both (A) and (B)
interaction among living things
use of natural resources
influence of humans on the environment
17
A good hypothesis is more than a guess because it?
makes logical sense
states what is likely to happen.
it is based on intuition rather than observation.
both (b) and (c)
18
Each of the following is an example of a parasite except?
mistletoe on a tree
a cow in a pasture
a moundworm in a humans intestine
a tick on a cat
19
the molten rock that is found in the upper mantle is
magma
basalt
granite
limestone
20
Which country is most likely to have either a stabilized or a slowly growing population?
Canada
Mexico
India
Pakistan
21
which of the following is an example of how people use land
to grow crops
all of the above
to harvest wood
to preserve native species
22
What is the relationship between groundwater and surface water?
surface water is found in lakes directly above underground
groundwater filters through the soil to form surface water
there is no relationships between surf&groundwater form ind
Surface water percolates through soil to form groundwater.
23
which two kingdoms contain organisms that can use energy from the sun to make food?
protest ans plants
eubacteria and plants
plants and animals
fungi and protests
24
in the troposphere which of the following decreases as altitude increases?
pressure
both (A) and (B)
radiation
temperature
25
Which of the following situation best describes the use of a renewable resource?
building wooden furniture
filing a car with gasoline
burning coal in a power plant
mining copper
26
Where do most Americans live
on producing farms
in rural areas
in urban areas
there is an equal dis. of people across the land
27
Consumers are organisms that?
are also known as self-feeders
get solar or other energy indirectly
eat only other animal species
occupy an ecosystem's lowest energy level
28
which of the following are producers of oxygen?
plants
animals
automobiles
industries
29
Which of the following is not an ecosystem?
unity pole
oak forest
vacant lot
coral reef
30
An ecological footprint is the?
a number of animals a person has to kill
amount of land and ocean area needed to support one person
mark a persons shoe makes in a soft earth
number of trees people cut down
31
Which organism is likely to be in the bottom trophic level of a food chain?
algae
leopard seal
killer whale
krill
32
Which of the following contributes most to acid precipitation?
burning of fossil fuels
ethanol
radon and ozone
all the above
33
Which factor contributed most of the exponential growth of the human population?
increased immigration
higher birth rates
more food, better hygiene
higher fertility rates
34
the ozone layer is located in the?
troposphere
stratosphere
ionosphere
thermosphere
35
A species of plants has exponential growth after introduced to area where it has never lived?
each indivedual plant grows much larger than usual
the population immediately decreases
within a few years the population increases dramatically
the species reproductive potential declines
36
scientific info from chemistry&biology to devise a plan to clean a lake&make it healthy again?
earth science
environmental science
social science
ecology
37
Which of the following describes soil and temperature in an ecosystem?
unnecessary factors
selected factors
biotic factors
abiotic factors
38
most scientist classify organisms into?
two groups
six kingdoms
three kingdoms
five kingdoms
39
Why is it important to preserve farmland?
Farmland moderates the tempOf urban areas
Farmland pro crops and fruit to support urban and rural pop
Farmland provides an important oxygen source of urban areas
all the above
40
The experimental method includes which of the following steps?
obs., hypothesis, predict, exp., and comm. results
remaining skeptical, organizing data, and analyzing data
be curious, imagine, able to see patterns, obs,& predict
draw con., be open to new ideas, comm. results
41
Most air pollution is produced by?
volcanic eruptions
ozone layer depletion
fuel burning
thermal inversion
42
The 1991 cholera outbreak in Lima, Peru was caused by?
lack of clean water
inadequate medical care
rats and other rodents
widespread malnutrition
43
Because birth rates have begun to fall, Earth’s population will?
Stabilized somewhere around 9 billion by 2050.
increase for a short time and then decrease current levels
soon stabilized at the level it is today
begin to decrease until it reaches 5 billion
44
Humans have inadvertently promoted evolution of insects that are resistant to insecticides by?
all of the above
trying to control pests with chemicals
using the wrong insecticide
using insecticides that are outdated
45
Because of the Endangered Species Act, the sale of protected animals and plants?
allowed for threatened but non-native species
punished by a sustainable law
subject to approval by a species review board
limited to quotas set for each species
46
all of these fields of study continue to environmental science except ?
biology and earth science
linguistics
physical and chemistry
social sciences
47
The relationship between a Canadian lynx and a Snowshoe?
mutualism
parasite and host
predator and prey
competition
48
The energy in most ecosystem comes from?
the sun
wind
all of the above
green plants
49
Where is most of the freshwater on earth located?
in oceans
in ice caps and glaciers
in streams and tributaries
in reservoirs and lakes
50
animals is successful bc it moves quickly repr rapidly&had a waterproof external skeleton?
mouse
ant
squirrel
bird
51
The relationship between acacia trees and the ants that live on them is an example of?
predation
commercialism
mutrualism
parasitism
52
Reason for preserving biodiversity including all of the following except?
increase the chances of discovering organisms medical value
finding new plants that can supplement worlds food sipply
preventing natural evolution
isolating unique genetic material so it can be incorporated
53
nat dis help some forest com allo trees to release seeds,clean away deadwood & enc new growths?
flood
drought
windstorm
fire
54
Why is the world’s loss of biodiversity a source of concern?
loss of biodiversity is not concerned bc extinctions r com
both (A) and (B)
species extinctions have been rare throughout history
Humans depend upon other organisms for food and oxygen
55
Earth’s surface water is found in ?
lakes
streams
rivers
all of the above
56
In what part of the world are the greatest number of extinctions occurring?
in deserts
in tropical rain forests
in the arctic
in Europe and the United States
57
compared to developing nations, developed nations have?
higher health standards
faster-growing populations
greater personal wealth
lower health standards
58
which of the following is Earth’s densest atmospheric layer?
stratosphere
troposphere
mesosphere
thermosphere
59
will it take for chlorofluorocarbons released from Earth’s surface today to reach the strat?
one to two years
10 to 20 years
three to five years
about six months
60
Which of the following is not a true statement about the social and environ impact of dams?
dams alow rivers natural power be cons into useful energy
land behind the dam indergoes change bc of the chang of flow
Dams are built to resolve disputes between neighboring coun
enviorn. con is one reason for their decres con
61
In which country is the population likely to be increasing most rapidly?
kenya
germany
norway
australia
62
without the greenhouse effect, Earth’s atmosphere would be _____ to support life.
too hot
too cold
lacking the oxygen
too wet
63
Some organisms are more likely to survive because they?
lack certain physical traits
all the above
engage in certain behaviors
have certain physical traits
64
Which type of building would most likely have poor indoor air quality?
1 that is tightly sealed and air conditioned
1 that has not been repainted or repainted in sev yrs
1 in an urban area where windows r often open
1 in a cool climate with a good ventilation system
65
Organisms can adapt?
both (A)and (B)
neither (A) or (B)
To their physical surroundings
To other organism
66
groth rates for diff parts of the world vary on the level of devel of the region
Australia
North America
Europe
Asia
67
Which of the following is an example of secondary succession?
Growing of plants after a forest is destroyed by fire
appearance of weeds in cracks in a concrete surface
breaking down of bare rock by fungi and mosses
pioneer plants begin to grow after glacial melting
68
The energy needed for the United States in the 1990's have?
fallen dramatically
fallen slightly
risen Slightly
risen dramatically
69
curiosity and imagination are important in science because?
models that represent objects and systems in the env.
abilities in scientists that help expand our knowledge
none of the above
skills needed to organize and analyze data
70
A quarry also could be called
the overburden
a longwall
an open pit
a pillar
71
______ causes air to be denser near Earth’s surface
gravity
evaporation
condensation
temperature
72
A Resident of _____ is likely to leave the largest ecological footprint?
the United States
India
Indonesia
Britain
73
Which of the following would not cause population to decrease in region?
increased immigration
decreased survivor-ship
increased emigration
decreased fertility rates
74
which of the following is a developing nation
the United States
France
Canada
Ethiopia
75
Which of the following organisms has the highest reproductive potential?
elephants
humans
bacteria
dog
76
Which of the following is one way a person would conserve water?
use a low-flow showerhead and take shorter showers
water your lawn daily ans at mid-day
wash laundry in small partial loads
take a long bath instead of a shower
77
Which gas makes up 78 % of our atmospheric;be used by plants only when trans by bact first?
nitrogen
hydrogen
carbon dioxide
oxygen
78
Which kind of organism obtains energy only from producers?
herbivores
decomposers
omnivores
all the above
79
In order for evo to occur in population individuals with trait that is naturally selc for must?
live a long time
reproduce
coevolve
leave the area
80
which of the following gases is most responsible for the greenhouse effect?
nitrogen oxide
methane
water vapor
oxygen
81
Renewable energy is energy from sources that?
Are constantly being formed
were once living organisms
humans can manufacture
will take years to deplete
82
In which of the following relationships is neither species harmed?
commercialism
predator
parasitism
competition
83
The term "biodiversity" refers to?
Number and variety of species living on Earth
Number and variety of species that live in an area
The number of species living on Earth
Number and variety of species that are considered renewable
84
What part of Earth encompassed on areas where organisms can obtain the energy they need?
atmosphere
biosphere
lithosphere
hydrosphere
85
which of the following includes all of the water on or near Earth’s surface?
hydrosphere
lithosphere
genosphere
atmosphere
86
The most energy-efficient vehicles available today are?
Cars with gasoline engines
cars that use biomass fuel
fuel cell cars
hybrid cars
87
climate in a region is?
the atmospheric conditions on a given day
the long-term prevailing atmo. con.
never effecter by ocean currents
determined only by seasonal daylight hours
88
An example of a population is?
all plants in a forest
all animals in a forest
all maple trees in a forest
all trees in a forest
89
An endangered species is?
an organisms brought to a place where it hasnt lived bfore
a species in danger of extinction
a species growing on public land
a species that has disappeared entirely
90
Polluted groundwater is difficult to clean because?
Poll cling to mater that make up aquifer&cont the cleanwater
all the above
The recyc proc of groundwater can take hund of thous of yrs
Groundwater is deep in the gro& disp thr large areas of rock
91
does not contain carbon from the bodies of plants and animals that died millions of years ago?
oil
phosphate salts
natural gas
coal
92
Most of the pollutants in the ocean come from?
activities on land
commercial boats and personal watercraft
leaking underground storage facilities
spills from oil tankers
93
Which of the following pH measurements of rainwater would indicate acid precipitation?
pH 4.1
pH 7.3
pH 6.0
pH 9.3
94
The group that does not receive the experimental treatment in an experiment is the?
data
experimental group
control group
variable
95
the difference between a predator and a parasite is that a predator?
harms another organism
lives in or on a host
ussually kills and eats its prey
benefits from another organism
96
which is not a mechanism of energy transfer through or within Earth’s atmosphere?
radiation
condensation
convection
conduction
97
Which of the following best describes a population?
all the red birds in an area
all the members of the same species
mem of the same spec living in the same place @ same time
all types of organisms living in the same place
98
which of the following is not a biotic factor in an ecosystem?
leaves
roots
air
insects
99
Which of the following has not resulted from urban sprawl?
overgrazing
traffic congestion
loss of farm land
suburbs
