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MCQ Questions for Class 11 Geography sets 3
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1. The shelf typically ends at a very steep slope, called ________
Halcoline
Seamount
Oceanic Shelf
Shelf Break
2. The Coral reefs are a major characteristic of:
the Indian Ocean
the Pacific Ocean
the Atlantic Ocean
the Mediterranean Sea
3. ______ a mountain with pointed summits, rising from the seafloor that does not reach the surface of the ocean
Halcoline
Seamount
Oceanic Shelf
None of the above
4. A mid-ocean ridge is an underwater mountain system formed by
plate tectonics
earthquake
ocean currents
submarine landslides
5. Along the coasts, salinity is:
Lowered
Increased
Stable
Unaffected
6. The geographers have divided the oceanic part of the earth into ______ oceans.
2
3
4
5
7. Which one of the following is the smallest ocean:
the Indian Ocean
the Arctic Ocean
the Atlantic Ocean
the Pacific Ocean
8. Salinity refers to the total amount of
sediments in the water
impurities present in the water
the salt present in the water
heat present in the water
9. Which one of the following is not a minor relief feature in the oceans:
Seamount
Atoll
Oceanic Deep
Guyot
10. ________ is the extended margin of each continent occupied by relatively shallow seas and gulfs.
Oceanic Shelf
Continental shelf
Salocline
Hydra Shelf
11. The continental slope connects the continental shelf and _______
the continental shelf
the halocline
the ocean basins
None of the above
12. A major portion of sea level is found at:
10-12 kms below sea level
6-9 kms below sea level
3-6 kms below sea level
1-2 kms below sea level
13. Seaward movement of water is known as:
Undertow
Ebb
Current
Flood
14. The most common tidal pattern, featuring two high tides and two low tides each day is called
Neap tide
Mixed tide
semi-diurnal tide
Diurnal tide
15. Huge masses of floating ice are known as:
Current
Ebb
Icebergs
Flood
16. The factor that affects the origin and movement of currents is
river flow
salinity and density of water
tides
prevailing winds
17. ______causes waves to travel in the ocean and the energy is released on shorelines.
Wind
Land
Water
Soil
18. Wave amplitude is:
The height of the wave
The breadth of the wave
Half of the wave height
It is the time interval between two successive waves
19. The current of the Atlantic ocean is
west wind drift
Gulf stream
Equatorial counter current
Alaska current
20. The time between the high tide and low tide, when the water level is falling, is called:
drift
nab
ebb
current
21. The current of the Indian Ocean is
The west wind drift (b) (c) (d)
Labrador
California
Kuroshio
22. The Thermodynamics of the ocean are:
Currents
Waves
Tides
Salinity
23. The time between the low tide and high tide, when the tide is rising, is called:
drift
flood
ebb
current
24. Wave speed is the rate at which the wave moves through the water and is measured in
Knots
Miles
Kilometer
Kilogram
25. The type of soil the desert biome has is
Porous with thin layers of humus
Rich in nutrients with little organic matter
Acidic, poor in nutrients
Fertile alluvial
26. When various plants and animal species have got adapted through evolution is called:
Ecological adaptation
Hydrological adaptation
Homological adaptation
None of the above
27. Mineral salts come directly from
Earth crust
Water cycle
Atmosphere
Forest biome
28. The boundaries of different biomes on land are determined mainly by
Climate
Temperature
Human activities
Humidity
29. Temperate Steppe is a subtype of which biome?
Forest
Desert
Grassland
Aquatic
30. Which includes all the living components of the earth.
Hydrosphere
Atmosphere
Biosphere
Lithosphere
31. A freshwater ecosystem is
Oceans
Estuaries
Coral reefs
Marshes
32. Which is a plant and animal community that covers a large geographical area?
Biosphere
Biome
Marshes
Prairies
33. Abiotic factors include
Producers
Consumers
Decomposers
Sunlight
34. Which of the following organism have a parasitic mode of nutrition?
Penicillium
Plasmodium
Paramecium
Parrot
35. The earliest man on the earth is known as:
Homoerectus
Homosapien
Homophobic
None of the above
36. Freshwater ecosystem includes
Oceans
Coastal estuaries
Coral reefs
Streams
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