Ocean 115 - Introduction to Oceanography » Spring 2023 » Week 5 Post-reading Quiz Sediments

Need help with your exam preparation?

Question #1
________________ sediments are most abundant by surface area.
A.   Terrigenous
B.   Biogenous
C.   Hydrogenous
D.   Cosmogenous
Question #2
_________________ sediments are most abundant by volume.
A.   Biogenous
B.   Terrigenous
C.   Hydrogenous
D.   Cosmogenous
Question #3
Which sediment collection strategy will be best for preserving layers?
A.   Clamshell sampler
B.   Shovel
C.   Piston corer
Question #4
__________ increases with depth, and influences the calcium carbonate compensation depth.
A.   Acidity
B.   Current energy
C.   Temperature
D.   Sediment size
Question #5
Where would you expect to find turbidites?
A.   Spilling from a submarine canyon along the continental rise, stretching onto the abyssal plain
B.   Spilling from the mid-ocean ridge onto the abyssal plain
C.   Spilling from a submarine canyon onto the continental shelf
D.   In the submarine canyon where it cuts into sediments of the continental slope
Question #6
Which areas of the ocean is most likely to have the least accumulation of sediment?
A.   Submarine trench
B.   Abyssal plain
C.   Oceanic ridge
D.   Continental shelf
Question #7
Which particle size has the fastest settling velocity in still water?
A.   silt
B.   clay
C.   coarse sand
D.   fine sand
Question #8
What is the particle size distribution from largest to smallest?
A.   boulder → granule → coarse sand → coarse silt
B.   coarse sand →granule →medium sand → fine sand
C.   coarse silt → granule → fine silt → clay
D.   cobble → boulder → granule → pebble
Question #9
What type of marine sediment is derived from igneous rock?
A.   cosmogenous
B.   biogenous
C.   terrigenous
D.   hydrogenous
Question #10
Which statement is true of sediments in the ocean?
A.   Biogenous sediments comprise a larger area than terrigenous sediments.
B.   Terrigenous sediments comprise a larger area than biogenous sediments.
C.   Terrigenous and biogenous sediments are equal in area and volume.
D.   Hydrogenous sediments cover more volume than biogenous sediments.

Need help with your exam preparation?