Amazing Trivia On Ocean

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| By RoggerFinch

RoggerFinch

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Quizzes Created: 203 | Total Attempts: 561,135

Questions: 11 | Attempts: 329 | Updated: Mar 20, 2023

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Have some fun with this super trivia quiz on ocean!

Questions and Answers

1.

The abyssal zone begins at what depth?
- A.
  
  1,000 Meters
- B.
  
  4,000 Meters
- C.
  
  2,000 Meters
- D.
  
  3,000 Meters
Correct Answer
C. 2,000 Meters

Explanation
The abyssal zone begins at a depth of 2,000 meters. This is the point where the water becomes extremely deep and the pressure is very high. The abyssal zone is the deepest part of the ocean and is characterized by complete darkness, low temperatures, and high levels of nutrients. It is home to a variety of unique and adapted organisms that have evolved to survive in these extreme conditions.

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1
2.

Light no longer reaches the ocean beginning at what oceanic zone?
- A.
  
  Abyssal Zone
- B.
  
  Euphotic Zone
- C.
  
  Hadal Zone
- D.
  
  Neritic Zone
Correct Answer
A. Abyssal Zone

Explanation
The Abyssal Zone is the correct answer because it is the deepest zone in the ocean, where light can no longer reach. This zone starts at around 4,000 meters below the surface and extends to the ocean floor. The lack of light in this zone is due to the immense depth and the absence of sunlight penetration. As a result, the Abyssal Zone is characterized by extreme darkness and cold temperatures, making it an inhospitable environment for most forms of life.

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3.

The Bering Strait is named for what Danish-born explorer?
- A.
  
  Magnus Bering
- B.
  
  Olaf Bering
- C.
  
  Vitus Bering
- D.
  
  Titus Bering
Correct Answer
C. Vitus Bering

Explanation
Vitus Bering is the correct answer because he was a Danish-born explorer who is known for his exploration of the Bering Strait. The Bering Strait, which separates Russia and Alaska, was named in his honor to recognize his significant contributions to the exploration of the area.

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4.

In what century did Vitus Bering discover Alaska while exploring what became the Bering Strait?
- A.
  
  19th
- B.
  
  17th
- C.
  
  16th
- D.
  
  18th
Correct Answer
D. 18th

Explanation
Vitus Bering discovered Alaska while exploring what became the Bering Strait in the 18th century.

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5.

What 300+ island Pacific archipelago was formed entirely from volcanoes?
- A.
  
  Easter Islands
- B.
  
  Aleutian Islands
- C.
  
  Hawaii
- D.
  
  U.S. Minor Outlying Islands
Correct Answer
B. Aleutian Islands

Explanation
The Aleutian Islands are a 300+ island Pacific archipelago that was formed entirely from volcanoes. This chain of islands stretches for about 1,200 miles and is located in the northern part of the Pacific Ring of Fire, a region known for its high volcanic activity. The islands were created by the subduction of the Pacific tectonic plate beneath the North American plate, resulting in the formation of numerous volcanic mountains. This volcanic origin is evident in the rugged and mountainous landscape of the Aleutian Islands.

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6.

What type of algae live symbiotically with coral reefs in shallow waters?
- A.
  
  Phytoplankton
- B.
  
  Leulingi
- C.
  
  Zooxanthellae
- D.
  
  Apistogramma
Correct Answer
C. Zooxanthellae

Explanation
Zooxanthellae are a type of algae that live symbiotically with coral reefs in shallow waters. They have a mutualistic relationship with coral, providing essential nutrients through photosynthesis while receiving shelter and protection in return. This symbiotic relationship is crucial for the growth and survival of coral reefs, as the zooxanthellae contribute to the vibrant colors and productivity of the coral.

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7.

The loss of symbiotic zooxanthellae results in what process?
- A.
  
  Coral Death
- B.
  
  Coral Bleaching
- C.
  
  Coral Polyps
- D.
  
  Coral Disease
Correct Answer
B. Coral Bleaching

Explanation
Coral bleaching occurs when the symbiotic zooxanthellae, which provide the coral with nutrients through photosynthesis, are lost. This loss can be caused by factors such as increased water temperature, pollution, or disease. Without the zooxanthellae, the coral loses its vibrant colors and becomes pale or white, hence the term "bleaching." If the zooxanthellae are not able to return to the coral, it can ultimately lead to coral death. Therefore, the correct answer is Coral Bleaching.

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8.

Coral reefs can only survive between which of these temperatures in degrees Celsius?
- A.
  
  25 And 29
- B.
  
  15 And 25
- C.
  
  32 And 39
- D.
  
  40 And 43
Correct Answer
A. 25 And 29

Explanation
Coral reefs thrive within a specific temperature range, and this range is between 25 and 29 degrees Celsius. Temperatures outside of this range can be detrimental to the health and survival of coral reefs.

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9.

Which ocean is among the traditional "Seven Seas"?
- A.
  
  Atlantic Ocean
- B.
  
  Southern Ocean
- C.
  
  Arctic Ocean
- D.
  
  Indian Ocean
Correct Answer
D. Indian Ocean

Explanation
The Indian Ocean is among the traditional "Seven Seas". The term "Seven Seas" historically referred to the seven major bodies of water that were important for trade and navigation. The Indian Ocean, with its strategic location and historical significance as a major trade route, is one of these seven seas.

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10.

Giant kelp can grow up to which length per year?
- A.
  
  100 Feet
- B.
  
  500 Feet
- C.
  
  300 Feet
- D.
  
  200 Feet
Correct Answer
C. 300 Feet

Explanation
Giant kelp is known to be the fastest-growing marine plant, capable of growing up to 2 feet per day. This rapid growth allows it to reach lengths of up to 300 feet in a single year. Therefore, the correct answer is 300 feet.

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11.

The decrease of oxygen in water is referred to as what?
- A.
  
  Eutrophication
- B.
  
  Hypoxia
- C.
  
  Water Suffocation
- D.
  
  Putrifaction
Correct Answer
B. Hypoxia

Explanation
Hypoxia refers to the decrease of oxygen in water. This condition can occur due to various factors such as excessive nutrient pollution, algal blooms, and high water temperatures. When the oxygen levels in water decrease, it can lead to negative impacts on aquatic organisms, potentially causing fish kills and disrupting the overall balance of the ecosystem.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Mar 20, 2023

Quiz Edited by
ProProfs Editorial Team
May 15, 2015

Quiz Created by
RoggerFinch

Amazing Trivia On Ocean

The abyssal zone begins at what depth?

Light no longer reaches the ocean beginning at what oceanic zone?

The Bering Strait is named for what Danish-born explorer?

In what century did Vitus Bering discover Alaska while exploring what became the Bering Strait?

What 300+ island Pacific archipelago was formed entirely from volcanoes?

What type of algae live symbiotically with coral reefs in shallow waters?

The loss of symbiotic zooxanthellae results in what process?

Coral reefs can only survive between which of these temperatures in degrees Celsius?

Which ocean is among the traditional "Seven Seas"?

Giant kelp can grow up to which length per year?

The decrease of oxygen in water is referred to as what?