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MCQs

Ocean And Seas

Total Questions : 405 | Page 8 of 41 pages
Question 71. The largest reservoir of freshwater is :
  1.    Lakes
  2.    Ponds
  3.    Glaciers
  4.    Ground Water
 Discuss Question
Answer: Option C. -> Glaciers
Answer: (c)
The largest water reservoir is the ocean, containing 97.3% of all water on Earth. Only 2.8 % of all the water on Planet Earth is freshwater.
Three-quarters of all fresh water on Earth is frozen in glacier ice. So glacier ice is the second-largest reservoir of water on Earth and the largest reservoir of fresh water on Earth!
Question 72. Red Sea is an example of
  1.    U-shaped valley
  2.    Axial trough
  3.    Volcanic valley
  4.    Eroded valley
 Discuss Question
Answer: Option B. -> Axial trough
Answer: (b)
Question 73. Match List-I with List-II and select the correct answer using the code given below the lists.
List I
List II
(River)
(Country)
A. Potomac
1. England
B. Nile
2. USA
C. Tigris
3. Iraq
D. Thames
4. Sudan
Codes: A B C D
  1.    3 4 2 1
  2.    2 4 3 1
  3.    1 3 4 2
  4.    2 4 1 3
 Discuss Question
Answer: Option B. -> 2 4 3 1
Answer: (b)
Question 74. Which of the following is not related to Asia?
  1.    Tigris
  2.    Niger
  3.    Lop Nor
  4.    Amur
 Discuss Question
Answer: Option B. -> Niger
Answer: (b)
Question 75. The highest amount of salinity is found in
  1.    Dead Sea
  2.    Mediterranean Sea
  3.    Pacific Ocean
  4.    Indian Ocean
 Discuss Question
Answer: Option A. -> Dead Sea
Answer: (a)
Question 76. Match the List-I with List-II and select the correct answer from the codes given below: 
List I
List II
A. Agulhas current
1. North Atlantic
B. Kuroshio current
2. South Atlantic
C. Florida current
3. Indian Ocean
D. Falkland current
4. North Pacific
Codes: A B C D
  1.    2 1 4 3
  2.    1 2 3 4
  3.    4 3 2 1
  4.    3 4 1 2
 Discuss Question
Answer: Option D. -> 3 4 1 2
Answer: (d)
Question 77. The chief fishing grounds of the world occur where cold and warm currents meet. This is because.

  1. cold currents are rich in nitrates and phosphates which feed plankton.

  2. Such areas cause the water to become well-aerated.

  3. the warm current brings the right temperature for marine life.


  1.    1, 2, and 3
  2.    1, and 2
  3.    1 only
  4.    2 only
 Discuss Question
Answer: Option B. -> 1, and 2
Answer: (b)
Question 78. Which one of the following pair is not correctly matched?
  1.    Washington – Potomac
  2.    Warsaw - Vishtula
  3.    Belgrade - Danube
  4.    Lisbon - Tiber
 Discuss Question
Answer: Option D. -> Lisbon - Tiber
Answer: (d)
Question 79. Which one among the following best explains the reason for the Eastern and Western boundaries of the Pacific Ocean experiencing frequent earth-quake?
  1.    These margins coincide with the plate margins
  2.    The currents of the vast Pacific Ocean continue to dash against the continental margins
  3.    There are deep ocean trenches along these margins
  4.    High mountain stretch along the continental margins adjacent to this ocean
 Discuss Question
Answer: Option A. -> These margins coincide with the plate margins
Answer: (a)The eastern and western boundaries of the Pacific Ocean experience frequent earthquake because these margins coincide with the plate margins.
Question 80. The surface of Earth covered with water is approximately
  1.    Three-fifth (3/5)
  2.    Two-third
  3.    One-fourth
  4.    Half
 Discuss Question
Answer: Option B. -> Two-third
Answer: (b)

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