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Environmental Biology

Total questions: 100

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

Air pollution is _________________

a)

the addition of any substance that has harmful or toxic effects to air

b)

the addition of any good substance that benefits air

c)

a chemical reaction

2.

The first Earth summit of United nation was held in

a)

Stockholm

b)

Tokyo

c)

New York

d)

Montreal

3.

Power generation by following mode is least polluting

a)

Coal

b)

Oil

c)

Natural gas

d)

Hydro energy

4.

Endemic species are mostly

a)

Confined to a particular locality

b)

Whose number is largest

c)

Which are available on Western Ghats

d)

Which flower annually

5.

Ultra-violet radiation is absorbed and removed by

a)

Ozone

b)

Oxygen

c)

Carbondioxide

d)

Carbon tetrachloride

6.

Pollutants released by automobile cause

a)

Carbon monoxide

b)

Peroxy acetyl nitrate

c)

Carbon dioxide

d)

Aerosols

7.

Why is the ocean salty?

a)

There is no pepper

b)

chemical and gases from volcanoes

c)

Fish go potty in the ocean

d)

giant rocks of salt were dissolved years ago

8.

What is erosion?

a)

What you use to correct mistake made by pencils.

b)

The directional flow of water.

c)

Sand that is dropped off.

d)

Waves remove sand from the shore.

9.

What is the average Salinity in the Ocean?

a)

35/100 (parts per)

b)

35/1000 parts per)

c)

10/35 parts per)

d)

none of the above

10.

The scientific study of the interaction between organisms and their environment is called...

a)

Ecology

b)

Biology

c)

Astronomy

11.

This is a coastal body of water where fresh water from a river mixes with salt water from the ocean.

a)

Estuary

b)

Desert

c)

Freshwater lake

12.

Poa grasses are found

a)

Dry temperate coniferous forests

b)

Temperate forests

c)

sub tropical pine forests

d)

Alpine forests

13.

A large ecosystem embracing large landscape characyterized by specid flora and fauna

a)

Biomes

b)

Biosphere

c)

Ecosystem

d)

Lithosphere

14.

Examples of pioneer communities are

a)

microbes, lichens

b)

small trees, lichens

c)

weeds, lichens

d)

Microbes, small plants

15.

which one is the coldest desert on earth

a)

Sahara

b)

Gobi

c)

Arabian

d)

Persian

16.

Annual Rain fall is................in temperate deciduous forest.

a)

30-60 inches

b)

75-150 cm

c)

750-1500mm

d)

All of these are correct

17.

When predation involve an insect or animal consuming part of plant is known as

a)

Predation

b)

Herbivory

c)

Parasitism

d)

All of these

18.

Desert vegetation is found in areas with

a)

Moderate rainfall

b)

Low rainfall

c)

Heavy rainfall

19.

Which forests are found in Sunderbans

a)

Mangrove

b)

Monsoon

c)

Deciduous

20.

Which trees are found in Tropical rainforests

a)

Khair, Semul

b)

Cacti, Babul

c)

Ebony, Rosewood

21.

A reserved area for the endangered species

a)

Biodiversity

b)

Wildlife sanctuary

c)

National park

22.

Which of these trees grow widely in the coniferous forests

a)

Pine

b)

Bamboo

c)

Shisham

23.

One feature of the desert vegetation

a)

Thick barks

b)

Needle shaped leaves

c)

Broad leaves

24.

The one-horned rhinocerous is protected in

a)

Gir forests

b)

Ranthambore National Park

c)

Jaldapara Wildlife Sanctuary

25.

Products that we get from forests

a)

Wood

b)

Cloth

c)

Steel

26.

A stream located in the delta or estuary of a river which is affected by high and low tides

a)

Tidal Creek

b)

Lake

c)

Swamp

27.

Sunderbans got its name from

a)

Bamboo tree

b)

Khair tree

c)

Sundari tree

28.

The average rainfall in tropical forests is

a)

100 cm

b)

200 cm

c)

150 cm

d)

300 cm

29.

The natural habitat of the Indian Lion is :

a)

Gir Forest

b)

Sunderbans

c)

Dudhwa

d)

Jim Corbett

30.

Which of the following is not a forest product?

a)

Rubber

b)

Wax

c)

Kerosene

d)

Plywood

31.

Variety of organisms found within a specific geographic region

a)

National park

b)

Biodiversity

c)

Biosphere reserve

32.

When do the trees in the tropical deciduous forests shed their leaves?

a)

Monsoon season

b)

Long dry season

c)

Spring season

33.

When was flora and fauna made?

a)

1845

b)

1849

c)

1847

d)

1848

34.

One example of Fauna

a)

Plants

b)

Owls

c)

Forest

d)

Flowers

35.

Which of the following statements defines productivity?

a)

The mass of living organisms in a given area expressed as dry weight of mass per unit of area or g m–2.

b)

The conversion of energy into biomass in a given time expressed as J m-2 yr-1.

c)

The total amount of stuff made.

d)

What is left over after losses.

36.
__________ primary productivity is the total amount of energy that producers convert to chemical energy in organic molecules per unit of time.   
a)
Net
b)
Total
c)
Gross
d)
None of the above
37.
Oxygen is essential to _______________.
a)
photosynthesis
b)
glycolysis
c)
cellular respiration
d)
fermentation
38.
To measure primary productivity, you can measure carbon dioxide consumption, total carbohydrates produced or ________________.
a)
dissolved oxygen
b)
total proteins produced
c)
light energy entering system
39.
Oxygen is essential to _______________.
a)
photosynthesis
b)
glycolysis
c)
cellular respiration
d)
fermentation
40.
__________productivity = the organic materials that remain after photosynthetic organisms in the ecosystem have used some of these compounds for their cellular energy needs (cellular respiration).
a)
Gross
b)
Primary
c)
Net
d)
Secondary
41.

A zebra is an example of

a)

a primary consumer.

b)

a producer

c)

a secondary consumer.

d)

a detritivore.

e)

a scavenger

42.

If gross primary productivity in a wetland is 3 kg C/m^2/year and respiration is 1.5 kg C/m^2/year, what is the net primary productivity of the wetland?

a)

Impossible to determine from the given information

b)

3 kg C/m^2/year

c)

1.5 kg C/m^2/year

d)

2 kg C/m^2/year

e)

4.5 kg C/m^2/year

43.

The average efficiency of energy transfer between trophic levels is approximately

a)

1 percent

b)

4 percent

c)

40 percent

d)

50 percent

e)

10 percent

44.

The gross primary productivity of an ecosystem is

a)

the biomass of the producers.

b)

the energy capured after accounting for respiration

c)

the total amount of biomass.

d)

the total energy captured by photosynthesis.

e)

the energy available to primary consumers.

45.

An input of photosynthesis is

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Carbon Monoxide

46.

If the amount of dissolved oxygen in the light bottle used for the investigation in the lesson does not change, an explanation for this is

a)

The rates of photosynthesis and respiration are equal

b)

photosynthesis is not occurring

c)

Respiration is not occurring

d)

no photosynthesis occurred

47.

NPP can be determined

a)

using GPP + R

b)

from the dark bottle reading

c)

from the light bottle reading

d)

All of the above

48.

Despite a low net primary productivity (NPP), which ecosystem or life zone produces the most biomass each year?

a)

swamps and marshes

b)

temperate forests

c)

open ocean

d)

estuaries

49.

An example of an abiotic factor that would impact plankton could be:

a)

predtors near by

b)

water pH

c)

other zooplankton

d)

primary consumers

50.

An example of a biotic factor that would impact plankton could be:

a)

organic nutrients

b)

water pH

c)

Near by zooplankton

d)

Current speed & direction

51.

An example of an abiotic factor that would decrease a plankton population would be:

a)

decrease in temperature

b)

decrease in light

c)

increase in nutrients

d)

slower ocean currents

52.

"Fixation of energy by autotrophs in an ecosystem". This statement belongs to ....

a)

Primary production

b)

Rate of primary production

c)

Gross primary production

d)

Net primary production

53.

"Amount of energy fixed over a given period of time". This statement belongs to ....

a)

Primary production

b)

Rate of primary production

c)

Gross primary production

d)

Net primary production

54.

"Amount of energy leftover after autotrophs have met their metabolic needs". This statement belongs to ....

a)

Primary production

b)

Rate of primary production

c)

Gross primary production

d)

Net primary production

55.

How many percentage of the solar energy is used for photosynthesis by land and aquatic plants?

a)

50%

b)

99.9%

c)

about 1%

d)

25%

56.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
57.
succession that occurs in an area where soil is already present
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
58.
the first organisms that appear in an ecological community
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
59.
a stable ecological community that has reached equilibrium
a)
ecological succession 
b)
climax community
c)
secondary succession
d)
pioneer speciles
60.
reaches a climax community quicker because soil is already present
a)
primary succession 
b)
secondary succession
c)
both types of succession
61.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
62.
Natural disasters such as flooding and tornadoes are linked to ________________.
a)
primary
b)
secondary
c)
old field
d)
ecosystem
63.

Primary succession occurs in areas with:

a)

very little soil

b)

lots of soil

c)

no soil

d)

soil that has been disturbed

64.

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

a)

Secondary Succession

b)

Aquatic succession

c)

Primary Succession

d)

Ferns must grow

65.

Why do grasses appear before shrubs in ecological succession?

a)

loosen the dirt for new trees to take roots?

b)

provide food for animals returning to the area

c)

require plenty of sunlight to make their own food

d)

can grow even in areas with shallow soil

66.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species
67.

After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?

a)

Lichens → Shrubs → Grasses → Trees

b)

Lichens → tree → shrubs→Grasses

c)

Grasses → Lichens → Shrubs → Trees

d)

Lichens → Grasses → Shrubs → Trees

68.

The ___________ falling from the sky can be dangerous.

a)

Acid rain

b)

Acid train

c)

Acid grain

d)

Acid pain

69.

_______________ is caused by fumes, smoke and other things like that.

a)

Air pollution

b)

Water Pollution

c)

Noise Pollution

70.

SMOG is derived from?

a)

Smoke

b)

Fog

c)

Both A and B

71.

When is Ozone day celebrated?

a)

12th September

b)

16th September

c)

16th October

72.

Which of these problems can be caused by air pollution?

a)

Respiratory problems

b)

Increased disease for humans

c)

Reduced food sources for humans

d)

Decrease in global temperatures

73.
Pollution _________________________.
a)
is harmful materials put into the environment
b)
found in air, water, and land
c)
effects plants, animals, and people
d)
All of the above
74.
To reduce pollution in the environment, people should ______________ materials.
a)
recycle
b)
pollute
c)
throw away
d)
clean
75.
Which of the following does NOT cause water pollution?
a)
oil spills
b)
garbage
c)
fertilizers from farms
d)
smoke
76.
How can trash effect wildlife?
a)
Wildlife animals cannot hunt prey because of the smell of garbage.
b)
Trash makes it hard for wildlife to camouflage.
c)
Wildlife could eat trash that they think is food.
d)
Wildlife animals are afraid of trash.
77.
__________________ is using materials wisely to protect them.
a)
Pollution
b)
Conservation
c)
Recycling
d)
Smog
78.
During the Exxon oil spill, many marine animals were killed. Why?
a)
The oil spilled into the ocean and poisoned the animals food.
b)
The animals drank the oil from the ship's tank.
c)
The oil was absorbed by the ocean.
d)
Marine animals were not killed because they swam to safety. 
79.
How do landfills effect the environment?
a)
Landfills cause fish to be poisoned and die.
b)
Landfills support plant growth and healthy soil.
c)
Landfills cause smog in the air.
d)
Landfills cause chemicals from trash to absorb into the soil and harm plants.
80.

In determining population of a species you would have to use this type of observation and count all of the species in the ecosystem.

a)

mark and recapture

b)

indirect observation

c)

direct observation

d)

sampling

81.

This is something in an environment like food, water or space that causes a population to decrease.

a)

predation

b)

birth rate

c)

limiting factor

d)

death rate

82.

In order to understand how many individuals live in a certain area you need to know this.

a)

population

b)

population density

c)

predatory organisms

d)

community

83.

Human population is showing this population growth model...

a)

Logistic

b)

Exponential

c)

Carrying capacity

84.

What term is used to describe the point in the logistic growth model where the population is stressed and 'levels off'?

a)

Exponential

b)

Logistic

c)

Carrying capacity

d)

Environmental pressure

85.

A KEYSTONE SPECIES is....

a)

An organism that controls resource distribution

b)

An organism that is a producer for the ecosystem

c)

An organism that is a carnivore

86.

What happens when the proportion of predators, herbivores and producers mirrors the trophic pyramid? (Less at top, more at bottom)

a)

Populations increase

b)

Populations decrease

c)

Populations will eventually reach their carrying capacity

87.
What type of growth is shown in the diagram?
a)
exponential growth
b)
logistic growth 
c)
predator-prey cycle
d)
boom-bust curve
88.
Type of growth that occurs when disease and parasites are present...
a)
exponential
b)
J-shaped
c)
predator-prey
d)
logistic
89.
Why has the population been able to grow so quickly in such a short period of time?
a)
Doctors have developed easier and safer ways to have babies
b)
People needed more help to work their farms so they had more children
c)
Because people stayed in one place and only moved when crowded out
d)
Because of medical care, clean water and better access to nutritious food
90.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
91.
The graph of logistic growth can be described as...
a)
S-shaped
b)
J-shaped
c)
U-shaped
92.
If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?
a)
It will increase.
b)
It will decrease.
c)
It will stay the same.
d)
It will fluctuate.
93.
What growth pattern describes a population whose growth rate slows or stops following a period of exponential growth?
a)
logistic growth
b)
population growth
c)
exponential growth
d)
predator-prey cycle
94.

A group of different species that live together and interact in an environment are called a/an ________.

a)

community

b)

habitat

c)

population

d)

ecosystem

95.

Which biome has evergreen trees (which don't lose their leaves)?

a)

Taiga

b)

Temperate Forest

c)

Tundra

d)

Grasslands

96.

Which layer of the atmosphere has meteors?

a)

troposphere

b)

stratosphere

c)

mesosphere

d)

thermosphere

97.

Which layer of the atmosphere contains the ionosphere?

a)

troposphere

b)

stratosphere

c)

mesosphere

d)

thermosphere

98.

Which layer of the atmosphere has weather?

a)

troposphere

b)

stratosphere

c)

mesosphere

d)

thermosphere

99.
The layers of the atmosphere in order from bottom to top are
a)
troposphere, stratosphere, mesosphere, thermosphere, exosphere
b)
troposphere, mesosphere, atmosphere, thermosphere
c)
mesosphere, thermosphere, troposphere, stratosphere, exosphere
d)
thermosphere, stratosphere, mesosphere, troposphere, exosphere
100.
The layers of the atmosphere that get colder as altitude increases are
a)
thermosphere and troposphere
b)
meosphere and troposphere
c)
stratosphere and thermosphere
d)
thermosphere and mesosphere

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