Ocean 115 - Introduction to Oceanography » Spring 2023 » Week 2 Post-reading Quiz

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Question #1
The water for Earth’s ocean originated from __________.
A.   Volcanic activitiy and comets
B.   The sun
C.   Solar nebulae
D.   Other planets
E.   Volcanic activity and other planets
Question #2
The process by which stars form helium atoms from hydrogen is _______.
A.   Density Stratification
B.   Condensation
C.   Compression
D.   Nuclear fusion
E.   Accretion
Question #3
Earth’s early atmosphere contained high concentrations of ____.
A.   Carbon dioxide and oxygen
B.   Carbon dioxide, water vapor and nitrogen
C.   Oxygen and nitrogen
D.   Methane and ammonia
E.   Oxygen and methane
Question #4
What had the most influence in irreversibly changing Earth's atmosphere?
A.   Production of oxygen from photosythesizing cyanobacteria
B.   Chemcial break up of water vapor by sunlight
C.   Formation of carbonic acid in the ocean
D.   Anaerobic respiration by deep sea organisms
E.   Fluctuation in cosmic ray
Question #5
Which extreme environment may have favored the origin of life on Earth?
A.   Dry mountain rocky outcrops
B.   Polar sea ice
C.   Estuarine bays
D.   Hydrothermal vents
E.   Rainforest sediments
Question #6
Which condition is necessary for a planet to have a permanent liquid ocean?
A.   Irregular orbit
B.   Toxic atmosphere
C.   Optimum distance from star
D.   Double sun
E.   Low gravity
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.
A.   Condensation
B.   Plate Tectonics
C.   Subduction
D.   Density Stratification
E.   Accretion
Question #8
What could ultimately be linked to the present absence of water on Mars?
A.   Large decrease in atmospheric carbon dioxide
B.   The presence of a strong magnetic field
C.   Lack of free oxygen in the atmosphere
D.   Excess atmospheric carbon dioxide
E.   Proximity of the sun
Question #9
The dependence of all living cells on ____ to survive strongly suggests that simple, living molecules originated in the ocean.
A.   Carbon dioxide
B.   Oxygen
C.   Fresh water
D.   Saline water
E.   Methane
Question #10
If there is a three hour difference between "clock" noon and "shaft" noon, how many degrees west are you from your point of origin? Assume one rotation of 360°/24 hours = 15°/hour.
A.   180 degrees
B.   45 degrees
C.   15 degrees
D.   30 degrees
E.   90 degrees

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