MCQ Largest Feeding Frenzy Ever Recorded Questions with Answers

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1. What technology was used by researchers to map fish populations in the Barents Sea?

1) Sonar Mapping System
2) Ocean Acoustic Waveguide Remote Sensing (OAWRS)
3) Marine Echo Location Device
4) Deep Sea Tracking System

Answer: 2) Ocean Acoustic Waveguide Remote Sensing (OAWRS)

2. How many capelin were estimated to be in the massive school?

1) Fifteen million
2) Twenty million
3) Twenty-three million
4) Twenty-five million

Answer: 3) Twenty-three million

3. Approximately how many cod arrived to feed on the capelin?

1) 1.5 million
2) 2.0 million
3) 2.5 million
4) 3.0 million

Answer: 3) 2.5 million

4. What technique was used to differentiate between different fish species?

1) Multispectral technique
2) Infrared scanning
3) DNA sampling
4) Visual identification

Answer: 1) Multispectral technique

5. How long was the aggregation of capelin?

1) Five kilometres
2) Eight kilometres
3) Ten kilometres
4) Twelve kilometres

Answer: 3) Ten kilometres

6. Which institution collaborated with the Norwegian Institute of Marine Research?

1) Harvard University
2) MIT
3) Stanford University
4) Oxford University

Answer: 2) MIT

7. What is causing capelin to migrate further?

1) Ocean pollution
2) Overfishing
3) Melting sea ice
4) Changes in ocean currents

Answer: 3) Melting sea ice

8. What percentage of the capelin population was consumed?

1) More than 25%
2) More than 35%
3) More than 45%
4) More than 50%

Answer: 4) More than 50%

9. What is the primary purpose of OAWRS?

1) To measure ocean temperature
2) To track fish movements
3) To study ocean currents
4) To analyze water quality

Answer: 2) To track fish movements

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10. Which fish species was the predator in the feeding frenzy?

1) Capelin
2) Atlantic cod
3) Herring
4) Mackerel

Answer: 2) Atlantic cod

11. What can OAWRS do in terms of mapping?

1) Only map small areas
2) Map only surface waters
3) Real-time mapping of vast areas
4) Map only during daylight

Answer: 3) Real-time mapping of vast areas

12. What characteristic helps researchers identify different fish species?

1) Swim bladders
2) Fin shape
3) Body size
4) Scale pattern

Answer: 1) Swim bladders

13. What is the primary concern regarding capelin population decline?

1) Economic impact
2) Tourism decline
3) Food web disruption
4) Water quality

Answer: 3) Food web disruption

14. Where is the Barents Sea located?

1) South of Norway
2) East of Norway
3) West of Norway
4) North of Norway

Answer: 4) North of Norway

15. What method does OAWRS use to map fish populations?

1) Radio waves
2) Sound waves
3) Light waves
4) Electromagnetic waves

Answer: 2) Sound waves

16. What is capelin’s role in the marine ecosystem?

1) Top predator
2) Primary food source
3) Coral builder
4) Water filtration

Answer: 2) Primary food source

17. What environmental factor affects fish behavior and distribution?

1) Ocean temperatures
2) Moon phases
3) Wind patterns
4) Tidal movements

Answer: 1) Ocean temperatures

18. What is the main purpose of identifying predation hotspots?

1) Tourism development
2) Fishing industry growth
3) Conservation efforts
4) Research funding

Answer: 3) Conservation efforts

19. What were the capelin initially doing before the feeding frenzy?

Migrating south
2) Searching for food
3) Searching for spawning grounds
4) Avoiding predators

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Answer: 3) Searching for spawning grounds

20. Which species besides cod feeds on capelin?

1) Whales
2) Seals
3) Dolphins
4) Sharks

Answer: 2) Seals

21. What is the primary goal of future OAWRS studies?

1) Economic development
2) Tourism promotion
3) Maintaining marine ecosystem balance
4) Military applications

Answer: 3) Maintaining marine ecosystem balance

22. What makes the Barents Sea feeding frenzy significant?

1) It was the first recorded event
2) It was the largest in deep waters
3) It involved new species
4) It occurred in winter

Answer: 2) It was the largest in deep waters

23. What risk does climate change pose to capelin?

1) Increased predator exposure
2) Lack of food
3) Disease
4) Decreased reproduction

Answer: 1) Increased predator exposure

24. What type of research institution is involved from Norway?

1) Weather Institute
2) Marine Research Institute
3) Climate Research Center
4) Fisheries Department

Answer: 2) Marine Research Institute

25. What does OAWRS technology capture to map fish?

1) Photos
2) Videos
3) Echoes
4) Temperature readings

Answer: 3) Echoes

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