EV 24 EXAM QUESTIONS WITH CORRECT ANSWERS
2025/2026
Overfishing can be detected pretty accurately in an area by a/an _____ catch per unit
effort by local fishermen. - CORRECT ANSWER-decrease in
At a level of about _____ depletion of spawning stock biomass, fish species begin to
have trouble recovering population size. - CORRECT ANSWER-20%
True or False. Man has pretty much exhausted the search for new and potentially useful
natural products from the ocean. - CORRECT ANSWER-False
Ocean autotrophs are very important commercially. Which one of these organisms fits
that description? - CORRECT ANSWER-kelp
True or False. Seaweed byproducts are used in ice cream. Yum! - CORRECT
ANSWER-True
The most easily accessible and consistently available marine resource is probably
_____. - CORRECT ANSWER-fish
The efficiency of industrialized fishing has _____ over the last 20 years. - CORRECT
ANSWER-increased
True or False. The land and the ocean are both important reservoirs of natural
resources. - CORRECT ANSWER-True
Which of the following valuable products does not come from marine sediments? -
CORRECT ANSWER-alginate
True or False. There are still many marine systems/communities that are not impacted
by over-fishing. - CORRECT ANSWER-False
By-catch is - _____ caught in a net or dredge. - CORRECT ANSWER-only the non-
commercial organisms
The oil and gas found in the marine environment have their origin as _____. -
CORRECT ANSWER-marine sediments
2025/2026
Overfishing can be detected pretty accurately in an area by a/an _____ catch per unit
effort by local fishermen. - CORRECT ANSWER-decrease in
At a level of about _____ depletion of spawning stock biomass, fish species begin to
have trouble recovering population size. - CORRECT ANSWER-20%
True or False. Man has pretty much exhausted the search for new and potentially useful
natural products from the ocean. - CORRECT ANSWER-False
Ocean autotrophs are very important commercially. Which one of these organisms fits
that description? - CORRECT ANSWER-kelp
True or False. Seaweed byproducts are used in ice cream. Yum! - CORRECT
ANSWER-True
The most easily accessible and consistently available marine resource is probably
_____. - CORRECT ANSWER-fish
The efficiency of industrialized fishing has _____ over the last 20 years. - CORRECT
ANSWER-increased
True or False. The land and the ocean are both important reservoirs of natural
resources. - CORRECT ANSWER-True
Which of the following valuable products does not come from marine sediments? -
CORRECT ANSWER-alginate
True or False. There are still many marine systems/communities that are not impacted
by over-fishing. - CORRECT ANSWER-False
By-catch is - _____ caught in a net or dredge. - CORRECT ANSWER-only the non-
commercial organisms
The oil and gas found in the marine environment have their origin as _____. -
CORRECT ANSWER-marine sediments
