Important MCQ-Based Questions for class 11 Geography chapter-Water (Oceans)
This page consists of Important MCQ questions from the chapter Water (Oceans) uploaded as per the CBSE syllabus and consists of a detailed explanation. Questions are prepared from the entire chapter-Water (Oceans) to give you effective revision.
Find below MCQ-Based Questions for class 11 Geography chapter-Water (Oceans)
Important MCQ-based questions Geography class 11 chapter-Water (Oceans) Set-A
Geography - MCQ on Water (Oceans)
Class XI
Q.1. The circulation of water in the hydrosphere is called:
a) Water cycle
b) Hydrological cycle
c) Life cycle
d) None
Answer:
(b) Hydrological cycle
Explanation: - The circulation of water in different ways i.e. the liquid, solid and gaseous.
Q.2. Which one of the following is not a part of ocean floor:
a) Continental shelf
b) The deep sea plains
c) Trenches
d) Aeolian plains
Answer:
(d) Aeolian plains
Explanation: - Aeolian plain are found on the surface of the earth these plains are deposited by winds in the arid areas of the world.
Q.3. The largest shelf is:
a) Coast of Chile
b) Siberian shelf in the Arctic Ocean
c) West coast of Sumatra
d) None
Answer:
(b) Siberian shelf in the Arctic Ocean
Q.4. Continental shelves are the good source of:
a) Pearls
b) Minerals
c) Fossil fuels
d) Coal
Answer:
(c) Fossil Fuel.
Q.5.There are ….. Deeps are discovered I the oceans.
a) 59
b) 57
c) 56
d) 52
Answer:
(b) 57
Explanation: - Ocean deeps are the deepest part of the ocean.
Q.6. What is an Atoll?
a) An island
b) A rock
c) A coral island with a narrow lake in the centre
d) A coral reef
Answer:
(c) A coral island with a narrow lake in the centre
Q.7. What is an ocean current?
a) Flow of water
b) Flow of water in a definite direction up to a considerable distance
c) Flow of water in the oceans
d) None
Answer:
(b) Flow of water in a definite direction up to a considerable distance
Q.8.The boundary in the water from where a rapid decrease of temperature begins is called:
a) Thermal divide
b) Thermodynamics
c) Thermocline
d) Thermocline
Answer:
(c) Thermocline
Q.9. The average surface temperature of the oceans is:
a) 23° C
b) 25° C
c) 27° C
d) 15° C
Answer:
(c) 27° C
Q.10.Salinity refers to:
a) Total amount of sediments in the water.
b) Total amount of impurities present in the water.
c) Total amount of salt present in the water.
d) None.
Answer:
(c) Total amount of salt present in the water.
Q.11. Which one of the following is not an important factor affecting the salinity of the ocean water.
a) Evaporation and precipitation rate.
b) Influx of fresh waters in the coastal regions.
c) Ocean currents and winds.
d) Temperature of the ocean waters.
Answer:
(d) Temperature of the ocean waters.
Q.12.The highest salinity in the world is found:
a) Black sea
b) Baltic sea
c) Red sea
d) Dead sea
Answer:
(d) Dead sea
Explanation: - Salinity is 238%.
Q.13.Highest saline lake of the world is :
a) Lake Van
b) Great Salt lake
c) Great lakes
d) Lake Ocombo
Answer:
(a) Lake Van
Explanation: - Lake Van is in Turkey the salinity is 330%.
Q.14.The salinity increases with depth and there is a distinct zone called:
a) Isohaline
b) Halocline
c) Salocline
d) None
Answer:
(b) Halocline
Q.15.Identify the element which is not a part of the hydrological cycle.
a) Evaporation
b) Precipitation
c) Hydration
d) Condensation
Answer:
(c) Hydration
Q.16.The average depth of continental slope varies between
a) 2-20m
b) 200----2000m
c) 20-200m
d) 2000-20,000m.
Answer:
(d) 2000-20,000m.
Q.17.Which one of the following is not a minor relief feature in the oceans:
a) Seamount
b) Ocean Deep
c) Atoll
d) Guyot
Answer:
(c) Atoll
Q.18.Which one of the following is the smallest ocean?
a) Indian Ocean
b) Atlantic Ocean
c) Arctic Ocean
d) Pacific Ocean
Answer:
(c) Arctic Ocean
Q.19.Which of the following is not a characteristic of continental shelves?
a) Oil and gas reserves.
b) Sites of productive fishing grounds
c) Large stores of sand and gravel
d) Sites of well developed submarine canyons.
Answer:
(d) Sites of well developed submarine canyons.
Q.20 The Coral reefs are most characteristic of:
a) Indian ocean
b) Pacific ocean
c) Atlantic ocean
d) Mediterranean Sea.
Answer:
(b) Pacific Ocean
Q.21.Along the coasts salinity is :
a) Lowered
b) Increased
c) Stable
d) Unaffected
Answer:
(a) Lowered
Q.22. Which of these oceans touches the shores of Asia on one side and that of America on the other side.
a) Indian ocean
b) Pacific ocean
c) Atlantic ocean
d) Antarctic ocean
Answer:
(b) Pacific
Q.23. Gulf Stream an important current of Atlantic is a:
a) Cool current
b) Warm current
c) Important sea route.
d) All
Answer:
(b) Warm current
Q.24.Which of the following pair is not correct.
a) Brazil Current ---Atlantic ocean
b) Kuroshio current-----Pacific ocean
c) West Wind Drift-------Indian ocean
d) Gulf stream-----------Pacific ocean
Answer:
(d) Gulf Stream-----------Pacific Ocean
Q.25.North-Western coast of Europe is one of the most important fishing ground because of the inter mixing of:
a) Alaska current and Kuroshio current
b) Brazil current and Labrador current
c) Gulf stream and Labrador current
d) None
Answer:
(c) Gulf Stream and Labrador current
Important MCQ-based questions Geography class 11 chapter-Water (Oceans) Set-B
Q.1 A major portion of sea level is found at:
a. 10-12 kms below sea level
b. 6-9 kms below sea level
c. 3-6 kms below sea level
d. 1-2 kms below sea level
Answer:
(c)
Explanation. Ocean floor has varied and complex features.
Q.2 Total percentage of water in ice caps is:
a. 0.25%
b. 3.25%
c. 2.05%
d. 0.05%
Answer:
(c)
Explanation. The highest is in oceans (97.25%) followed by the ice caps.
Q.3 Continental shelf is the ------- part of the ocean.
a. deepest
b. widest
c. longest
d. shallowest
Answer:
(d)
Explanation. It has an average gradient of 10 or even less.