Chapter 17 Marine Bio Test

Only available on StudyMode
  • Topic: Overfishing, Aquaculture, Salmon
  • Pages : 8 (1354 words )
  • Download(s) : 824
  • Published : April 26, 2013
Open Document
Text Preview
Chapter 17
Resources from the Sea
 
 

Multiple Choice Questions
 
1. Finfish and shellfish provide approximately what percentage of animal protein consumed by humans around the world?  A. 0.5%
B. 1%
C. 10%
D. 20%
E. 30%
 
2. Traditional fisheries are those that: 
A. Catches are routinely recorded
B. Catch shellfish, not finfish
C. Do not use boats
D. Use relatively simple gear and methods
E. Catches are not sold to the general public
 
3. When did the world population reach 6 billion? 
A. Not yet: it is expected to reach 6 billion by 2010
B. Not yet: it is expected to reach 6 billion by 2020
C. 1985
D. 1990
E. Late 1990s
 

4. One nation where annual catches have not significantly decreased since the late 1980s:  A. Japan
B. Russia
C. United States
D. China
E. Canada
 
5. Most marine food resources are taken from: 
A. Coral reefs
B. The continental shelf
C. Open waters off the continental shelf
D. Estuaries
E. Mariculture ponds
 
6. The largest fish catches are those of: 
A. Tunas
B. Herrings, sardines, and other clupeoid fishes
C. Cod, haddocks, related fishes
D. Salmon
E. Sharks, rays, and skates
 
7. By definition, demersal catches are those that are harvested from:  A. The open water
B. The bottom
C. Estuaries
D. Waters where primary production is increased by upwelling E. The continental shelf
 
8. By definition, pelagic catches are those that are harvested from:  A. The open water
B. The bottom
C. Estuaries
D. Waters where primary production is increased by upwelling E. The continental shelf
 

9. Clupeoid fishes are least likely to be consumed in what way?  A. In pet food
B. Fish flour
C. Fish meal
D. In products such as margarine
E. Direct consumption
 
10. The major fishing areas of the world are mostly located in waters:  A. Where coral reefs are common
B. Where equatorial upwelling takes place
C. In open waters far from coasts
D. Where coastal upwelling takes place
E. Around Antarctica and in the Arctic
 
11. The major fishing area in the world is in the: 
A. Northwest Pacific
B. Waters around Antarctica
C. West Indian Ocean
D. Southwest Atlantic
E. Mediterranean
 
12. Trawls are nets that: 
A. Surround and trap fish
B. Float on the surface
C. Are allowed to drift along the surface
D. Placed along the bottom to trap passing fishes
E. Dragged along the bottom or through the water column
 

13. Cods and related fishes are demersal. As a result, they are most likely to be caught commercially using which method?  A. Gill nets
B. Purse seine
C. Trawls
D. Long line
E. Hand line
 
14. An example of a marine non-renewable resource: 
A. Shellfish
B. Finfish
C. Oil
D. Seaweeds
E. Whales
 
15. The maximum sustainable yield is best defined as the:  A. Highest catch that can be taken without overfishing
B. Maximum fishing effort allowed after overfishing is reached C. Highest catch that will pay the minimum cost of the fishing effort D. Minimum catch that will still allow the population to grow E. The annual size of the catch that will balance natural death and predation  

16. Continued catches above the maximum sustainable yield:  A. Can be increased to prevent overfishing
B. Will result in underutilization
C. Will result in a decrease of fishing effort
D. Must be decreased in order to decrease population size
E. Will result in overfishing
 

17. Fishing effort refers to all of the following except:  A. Number of fishing boats
B. Number of fishermen
C. Number and size of fishing nets
D. Amount of time spent at sea
E. Size of the catch
 
18. One of the following best describes commercial fisheries around the world:  A. Most have been affected by overfishing
B. About 20% have been affected by overfishing
C. All have been affected by overfishing
D. All have been affected by overfishing but none have been exhausted E. None have been affected by overfishing in the Southern Hemisphere  
19. Fisheries management...
tracking img