MCQ Questions for Class 11 Geography: Ch 13 Water (Oceans)

MCQ Questions for Class 11 Geography: Ch 13 Water (Oceans)

1. Salinity refers to the total amount of
(a) sediments in the water.
(b) impurities present in the water.
(c) salt present in the water.
(d) heat present in the water.
► (c) salt present in the water.

2. Which one of the following is not a minor relief feature in the oceans:
(a) Seamount
(b) Atoll
(c) Oceanic Deep
(d) Guyot
► (c) Oceanic Deep

3. 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
► (c) 3-6 kms below sea level

4. The Coral reefs are a major characteristic of:
(a) Indian Ocean
(b) Pacific Ocean
(c) Atlantic Ocean
(d) Mediterranean Sea
► (b) Pacific Ocean

5. A mid-ocean ridge is an underwater mountain system formed by
(a) plate tectonics.
(b) earthquake.
(c) ocean currents.
(d) submarine landslides.
► (a) plate tectonics.

6. Along the coasts, salinity is:
(a) Lowered
(b) Increased
(c) Stable
(d) Unaffected
► (a) Lowered

7. Which one of the following is the smallest ocean:
(a) Indian Ocean
(b) Arctic Ocean
(c) Atlantic Ocean
(d) Pacific Ocean
► (b) Arctic Ocean

8. The factor affecting the distribution of temperature of ocean water is
(a) evaporation.
(b) precipitation.
(c) hydration.
(d) ocean currents.
► (d) ocean currents.

9. The salinity increases with depth and there is a distinct zone called
(a) isohaline.
(b) halocline.
(c) salocline.
(d) thermocline.
► (b) halocline.

10. ________ is the extended margin of each continent occupied by relatively shallow seas and gulfs.
(a) Oceanic Shelf
(b) Continental shelf 
(c) Salocline.
(d) Hydra Shelf
► (b) Continental shelf 

11. The continental slope connects the continental shelf and _______
(a) the conteinental shelf
(b) the halcoline
(c) the ocean basins
(d) none of the above
► (c) the ocean basins

12. ______ a mountain with pointed summits, rising from the seafloor that does not reach the surface of the ocean
(a) Halcoline
(b) Seamount
(c) Oceanic Shelf
(d) None of the above
► (b) Seamount

13. The shelf typically ends at a very steep slope, called ________.
(a) Halcoline
(b) Seamount
(c) Oceanic Shelf
(d) Shelf Break
► (d) Shelf Break

14. The geographers have divided the oceanic part of the earth into ______ oceans.
(a) Two
(b) Three
(c) Four
(d) Five
► (d) Five
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