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Eleventh Grade (Grade 11) Oceanography and Hydrology Questions

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Grade 11 Oceanography and Hydrology
Match the term in the first column with its meaning in the second column.
__ Chondrichthyes A. Pigment containing or pigment producing cell that colors the skin
__ Baleen B. The bony flap that serves as a gill cover on fishes
__ Endotherm C. Warm blooded.
__ Agnathan D. Cold blooded.
__ Cetaceans E. A class cartilage fish with well developed jaws.
__ Operculum F. Class of marine vertebrates that have no jaws or appendages
__ Chromatophores G. Marine mammals with a nearly hairless body, flippers, limps, and a notched tail
__ Ectotherm H. Flat flexible plates with frayed edges in two rows used to trap food found in the jaws of toothless whales
Grade 11 Oceanography and Hydrology
Coral is neither plant nor animal.
  1. True
  2. False
Grade 11 Oceanography and Hydrology
In what zone is photosynthetic life found?
  1. Dysphotic zone
  2. Aphotic zone
  3. Ephotic Zone
  4. End zone
Grade 11 Oceanography and Hydrology
Animals living around hydrothermal vents rely on sunlight for food.
  1. True
  2. False
Grade 11 Oceanography and Hydrology
When were hydrothermal vents discovered?
  1. 1977
  2. 1492
  3. 1902
  4. 4.6 billion years ago
Grade 11 Oceanography and Hydrology
Island arcs form along
  1. subduction zones.
  2. rapidly spreading mid-ocean ridges.
  3. transform faults.
  4. wide continental shelves.
Grade 11 Oceanography and Hydrology
                are formed by wind blowing sand into piles.
  1. Longshore bars
  2. Spits
  3. Sand dunes
  4. Barrier islands
Grade 11 Oceanography and Hydrology
How many diameters is the usual size of microplastics?
  1. Less than 0.3 millimeters
  2. Between 0.3 to 5 millimeters
  3. Between 5 to 10 millimeters
  4. Between 10 to 15 millimeters
Grade 11 Oceanography and Hydrology
Life deep along the floor of the mid-ocean ridges depends on which of the following?
  1. sunlight
  2. chemosynthesis
  3. photosynthesis
  4. all of the above
Grade 11 Oceanography and Hydrology
These land masses are formed when island arcs migrate to land and is added to the continent.
  1. accreted terranes
  2. island arcs
  3. atolls
  4. seamounts
Grade 11 Oceanography and Hydrology
A layer where temperatures drop abruptly.
  1. deep zone
  2. sureface zone
  3. thermocline
  4. pressure
Grade 11 Oceanography and Hydrology
A layer where temperatures drop abruptly.
  1. deep zone
  2. sureface zone
  3. thermocline
  4. pressure
Grade 11 Oceanography and Hydrology
This type of sampling allows the study of the sediment layers of the ocean.
  1. rock dredging
  2. dragging
  3. seafloor drilling
  4. scraping
Grade 11 Oceanography and Hydrology
This device uses sound waves to map seafloor topography.
  1. echo sounder
  2. seismic profiler
  3. magnetometer
  4. microwave radar
Grade 11 Oceanography and Hydrology
When molten lava comes into contact with seawater, it produces a rock type called
  1. basalt dike.
  2. pillow basalt.
  3. gabbro.
  4. manganese nodule.
Grade 11 Oceanography and Hydrology
Higher salinity                      vapor pressure and                      evaporation rate.
  1. decreases, decreases
  2. decreases, increases
  3. increases, increases
  4. increases, decreases
Grade 11 Oceanography and Hydrology
Waves move                 in deep water.
  1. slower
  2. faster
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