Environmental Biology MCQs

Environmental Biology MCQs

Answer these Environmental Biology MCQs and see how sharp is your knowledge of Environmental Biology. Scroll down and let's start!

1: When technology is available, the next step in dr. cattolico?s research will be _______.

A.   Grows fast and produces high-quality lipids

B.   Brown algae, red algae, and green algae

C.   Growing algae under different conditions and measuring their lipid production

D.   Increasing the amount of algae grown at one time

2: A niche specialist is ________.

A.   Increase disease transmission and food scarcity

B.   The disappearance of a species from Earth

C.   More likely to go extinct than a niche generalist

D.   Are found in one place on the planet

3: A trophic cascade is the effect of ________ on ________.

A.   Detritivores; decomposers

B.   Producers; first level consumers

C.   Top consumers; one another

D.   Top consumers; abundance of lower consumers

E.   Flooding; terrestrial ecosystems

4: All animals are _______.

A.   Producers

B.   Omnivores

C.   Herbivores

D.   Consumers

5: All earth systems are connected through _____.

A.   4

B.   3

C.   2

D.   1

6: All forms of life on earth are linked together in relationships involving _____.

A.   Water

B.   Food

C.   The environment

D.   Energy

7: All organisms in the kingdom _________ must be viewed using a microscope.

A.   Archaebacteria

B.   Fungi Plantae

C.   Eliminate

D.   Protista

8: Conservation biologists define a region as a biodiversity hotspot if ________.

A.   There is an unusually small number of endemic species threatened by humans.

B.   There is an unusually large number of endemic species threatened by animals

C.   There is an unusually large number of endemic species threatened by humans

9: Considering both biotic and abiotic components of the environment is characteristic of _______.

A.   Is an example of local biological wastewater treatment plant.

B.   Is an example of local wastewater treatment plant.

C.   Is an example of local biological water treatment plant

10: Human activities such as the ____________ release large quantities of sulfur.

A.   Burning of rocks

B.   Burning of fossil fuels.

C.   Burning of fuels

11: Most of the forests in the united states are _____..

A.   Boreal forests.

B.   Primary forest.

C.   Secondary forest

12: The concept of the trophic pyramid reflects ________________.

A.   The fact that each transfer of energy as you move up the food web results in a loss of about 90%

B.   The fact that each transfer of energy as you move up the food web results in a loss of about 10%

C.   The fact that biomass increases as you move up the food web

D.   The number of decomposers found in a system

13: The ecological footprint of the united states ______.

A.   Is about the same as the global average

B.   Is lower than the global average  a sign of overconsumption

C.   Cannot be calculated

D.   Shows that Americans consume a disproportionate amount of food and fuel

14: Air pollution is best defined as ________

A.   Small particles in the atmosphere arising from volatile organic compounds

B.   Gases or particles present in high enough concentrations in the atmosphere to harm humans, other organisms and structures

C.   Any gases in Earth's atmosphere in trace amounts

D.   Organic chemicals that can vaporize into the air

15: Mercury is to methylmercury as ddt is to ________.

A.   DEE

B.   DDE

C.   DED

D.   DDD

16: The largest pool of carbon in the carbon cycle is ________.

A.   Sedimentary rock

B.   Sediments under ocean

C.   Air/atmosphere

17: Zonation in aquatic zones includes all of the following except the ________ zone.

A.   Detritus.

B.   Littoral

C.   Dispersal

D.   Limnetic

E.   Eutrophic

18: The sustainable use of rainforest resources is exemplified by _______.

A.   Increased logging

B.   Harvesting nuts

C.   Rehabilitation

D.   None of these

19: Desert regions occur __________, and always have a(n) __________ climate zone adjacent to them.

A.   The presence of a rainshadow

B.   Windward side; leeward side

C.   On every continent; steppe

D.   Between 20-30° north and south

20: During the past half-century, global food production has ________ world population growth.

A.   Grown at a faster rate than

B.   Fallen behind

C.   Stayed about

D.   All of these

21: When populations approach their carrying capacity, their resources ________.

A.   Increase because populations are decreasing

B.   Are not a concern as they are usually infinite in supply

C.   Become more scarce as growth rate becomes zero

D.   Decrease in supply but are more accessible to competitors

E.   Increase in supply but are less accessible

22: The energy content and biomass of ________ is lowest in any food web.

A.   Top carnivores

B.   Producers

C.   Small carnivores such as spiders and lizards

D.   Detritivores ...

23: Pcb contamination of the environment ________.

A.   Is a continuing problem because PCBs are non-biodegradable and persist in the environment.

B.   There is a long lag time between exposure to the agent and disease

C.   Top consumers susceptible to eggshell damage caused by DDT

D.   None of these

24: In developing nations, such as india and nigeria, ________.

A.   Most of the population is moving to the suburbs from the city centers

B.   Very little change has occurred in the past 40 years regarding where people live

C.   Small numbers of people have moved into the cities

D.   Rural people are moving to the cities in large numbers

E.   More people are moving to the suburbs than to the city centers

25: Precipitation occurs on the __________ of the mountain range, while the __________ is dry.

A.   Windward side; leeward side

B.   Inselberg

C.   Basin and Range Province

D.   Alluvial fan

26: The book our stolen future was important because it ________.

A.   Was the first book to focus on the impacts of endocrine-disrupting chemicals

B.   Was the first book that discussed environmental problems with DDT

C.   Was the first book that discussed water pollution problems in Lake Apopka

D.   Is credited with starting the environmental movement in the United States