Environmental Change and Challenge, Third Edition | Oxford University Press Canada

Instructions: For each question, click on the radio button beside your answer. When you have completed the entire quiz, click the Submit my answers button at the bottom of the page to receive your results.

Question 1:

What percentage of the world’s fisheries have reached or surpassed their limits of exploitation, according to the United Nations Food and Agriculture Organization?
a) 30 per cent
b) 40 per cent
c) 50 per cent
d) 60 per cent
e) 80 per cent

Question 2:

Nutrients are the most common limiting factor for life in marine and terrestrial systems.
a) True
b) False

Question 3:

In the ocean, most productivity is ________.
a) at depths below 200 metres
b) on the continental shelves
c) around hydrothermal vents
d) Both a and c.
e) Both b and c.

Question 4:

Over one billion people rely on fish as their primary source of protein.
a) True
b) False

Question 5:

The leatherback turtle is an example of ________.
a) a polyp
b) an endangered species
c) bycatch
d) Both a and b.
e) Both b and c.

Question 6:

Sponge reefs off the coast of British Columbia ________.
a) have been extinct since 1988
b) are over 9,000 years old
c) exist at depths of between 65 and 140 metres
d) are known only as fossils in Europe
e) are flourishing

Question 7:

More than 60 per cent of current global oil production comes from sedimentary basins beneath the ocean.
a) True
b) False

Question 8:

Which figure is closest to the number of Canadians living in coastal communities?
a) Over 2 million
b) Over 3 million
c) Over 5 million
d) Over 6 million
e) Over 7 million

Question 9:

The Arctic Seal Hunt in Canada in 2006 ________.
a) was worth over $33 million
b) provided income to about 12,000 sealers and their families
c) allowed 975,000 harp seals to be caught
d) None of the above.
e) All of the above.

Question 10:

How many substances currently approved for use in Canada were reviewed for toxicity in 2006?
a) Approximately 2,300
b) Approximately 9,000
c) Approximately 16,000
d) Approximately 23,000
e) Approximately 37,000

Question 11:

Canada has the longest coastline and the second largest continental shelf in the world.
a) True
b) False

Question 12:

Since 1992, commercial fisheries in Canada have declined by ________.
a) 25 per cent
b) 19 per cent
c) 30 per cent
d) 50 per cent

Question 13:

The TAC (Total Allowable Catch) is the amount, in tonnage, of a particular aquatic species that the federal Department of Fisheries and Oceans determines can be landed within a particular ?shery in a given year.
a) True
b) False

Question 14:

An anadromous fish spends its life ________.
a) only in freshwater
b) only in saltwater
c) partly in freshwater and partly in saltwater
d) None of the above.

Question 15:

Killers whales in Puget Sound were determined to be among the most contaminated mammals on the planet.
a) True
b) False

Higher Education

Environmental Change and Challenge, Third Edition - Chapter 8