OCE Chapter 4 Questions with Correct Answers (Grade A+)
Question 1: Of the following, which energy resource(s) can be extracted from marine sediments?
Answer: Gas hydrates Petroleum
Question 2: Which of the following is thought to have enriched ocean floor sediments with real-earth
elements?
Answer: Deep-sea hotsprings
Question 3: Drag the items
Answer: 1. Abyssal Clay- Lithogenous (terrigenous) sediment 2. Coccolithophores- Biogenies sediment 3.
Diatomaceous ooze- Biogenous sediment 4. Halite- Hydrogenous sediment 5. Manganese Nodules-
Hydrogenous sediment 6. Metal sulfides- Hydrogenous sediment 7. Oolites- Hydrogenous sediment 8.
Siliceous Ooze- Biogenous sediment 9. Stromatolites- Biogenous sediment 10. Tektites- Cosmogenous
sediment
Question 4: Marine sediments can't provide insight into today's climate changes BECAUSE they reveal
a detailed history of Earth's past climate.
Answer: The assertion is incorrect, but the reason is correct.
Question 5: Which of the following statements about marine sediments is correct?
Answer: They record the timing and severity of some global extinction events.
Question 6: Sediments derived from pre-existing rocks on land are called:
Answer: Lithogenous
Question 7: Examine the five words and/or phrases and determine the relationship among the majority
of words/phrases.
Answer: Siliceous ooze
Question 8: Sandstone is an example of which of the following sediment types?
Answer: Lithogenous Sediment
Question 9: Turbidite deposits are an example of which of the following sediment types?
Answer: Lithogenous Sediment
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, Question 10: Abyssal clays are commonly red-brown or buff in color BECAUSE they contain gypsum.
Answer: The assertion is correct, but the reason is incorrect.
Question 11: The most abundant mineral in lithogenous sediments is __________.
Answer: Quartz
Question 12: Drag the items
Answer: 1. CCD- Depth at which all calcium carbonate is in solution (dissolved) 2. Ice Rafting- Associated
with glacial deposits 3. Lysocline- Depth at which calcium carbonate begins to dissolve 4. Turbidite-
Associated with submarine canyons and deep-sea alluvial fans 5. Wentworth Scale- Particle size
classification
Question 13: Which of the following contains calcium carbonate (CaCO3)?
Answer: Foraminiferans
Question 14: Calcium carbonate is most likely to dissolve in water with which characteristic?
Answer: Low salinity
Question 15: Choose one that does not fit
Answer: Oolites
Question 16: The White Cliffs of Dover are an example of which of the following sediment types?
Answer: Bigenous sediment
Question 17: Fossiliferous limestone is an example of which of the following sediment types?
Answer: Bigenous sediment
Question 18: Calcite dissolves more readily in seawater that is ________ in temperature and ________
in pressure.
Answer: Colder; higher
Question 19: The deposition of coarse-grained lithogenous material in neritic environments along
continental margins is an example of the ________ of biogenous sediment.
Answer: Dilution
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Question 1: Of the following, which energy resource(s) can be extracted from marine sediments?
Answer: Gas hydrates Petroleum
Question 2: Which of the following is thought to have enriched ocean floor sediments with real-earth
elements?
Answer: Deep-sea hotsprings
Question 3: Drag the items
Answer: 1. Abyssal Clay- Lithogenous (terrigenous) sediment 2. Coccolithophores- Biogenies sediment 3.
Diatomaceous ooze- Biogenous sediment 4. Halite- Hydrogenous sediment 5. Manganese Nodules-
Hydrogenous sediment 6. Metal sulfides- Hydrogenous sediment 7. Oolites- Hydrogenous sediment 8.
Siliceous Ooze- Biogenous sediment 9. Stromatolites- Biogenous sediment 10. Tektites- Cosmogenous
sediment
Question 4: Marine sediments can't provide insight into today's climate changes BECAUSE they reveal
a detailed history of Earth's past climate.
Answer: The assertion is incorrect, but the reason is correct.
Question 5: Which of the following statements about marine sediments is correct?
Answer: They record the timing and severity of some global extinction events.
Question 6: Sediments derived from pre-existing rocks on land are called:
Answer: Lithogenous
Question 7: Examine the five words and/or phrases and determine the relationship among the majority
of words/phrases.
Answer: Siliceous ooze
Question 8: Sandstone is an example of which of the following sediment types?
Answer: Lithogenous Sediment
Question 9: Turbidite deposits are an example of which of the following sediment types?
Answer: Lithogenous Sediment
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, Question 10: Abyssal clays are commonly red-brown or buff in color BECAUSE they contain gypsum.
Answer: The assertion is correct, but the reason is incorrect.
Question 11: The most abundant mineral in lithogenous sediments is __________.
Answer: Quartz
Question 12: Drag the items
Answer: 1. CCD- Depth at which all calcium carbonate is in solution (dissolved) 2. Ice Rafting- Associated
with glacial deposits 3. Lysocline- Depth at which calcium carbonate begins to dissolve 4. Turbidite-
Associated with submarine canyons and deep-sea alluvial fans 5. Wentworth Scale- Particle size
classification
Question 13: Which of the following contains calcium carbonate (CaCO3)?
Answer: Foraminiferans
Question 14: Calcium carbonate is most likely to dissolve in water with which characteristic?
Answer: Low salinity
Question 15: Choose one that does not fit
Answer: Oolites
Question 16: The White Cliffs of Dover are an example of which of the following sediment types?
Answer: Bigenous sediment
Question 17: Fossiliferous limestone is an example of which of the following sediment types?
Answer: Bigenous sediment
Question 18: Calcite dissolves more readily in seawater that is ________ in temperature and ________
in pressure.
Answer: Colder; higher
Question 19: The deposition of coarse-grained lithogenous material in neritic environments along
continental margins is an example of the ________ of biogenous sediment.
Answer: Dilution
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