EOSC 114 EXAM QUESTIONS AND
ANSWERS LATEST 2024/2025
UPDATE FULLY SOLVED
Mass Extinctions/Impacts Graded Quiz
The Deccan Traps likely contributed to climate change at the end of the ______.
a)Devonian
b)Cretaceous
c)Permian
d)Triassic
e)Jurassic - Answer- Cretaceous
Mass Extinctions/Impacts Graded Quiz
The organisms most responsible for biological extinctions today are ______.
a)humans
b)domestic dogs
c)fungi
d)viruses
e)domestic cats - Answer- humans
Mass Extinctions/Impacts Graded Quiz
Concerning the Permo-Triassic (end Permian) extinction, which of the following
statements is FALSE?
a)Extinction may be related to a fall in sea level.
b)The degree of volcanic activity at ocean ridges may have been a contributory factor in
extinction.
c)The dinosaurs were too specialized to survive and as result went into extinction.
d)There was likely a large release of methane at the end of the Permian.
e)A lack of oxygen in the oceans has been suggested as a possible cause. - Answer-
The dinosaurs were too specialized to survive and as result went into extinction.
Mass Extinctions/Impacts Graded Quiz
What is the significance of high levels of iridium in Late Cretaceous sediments?
a)It supported the idea that global fires occurred in the Late Cretaceous, contributing to
the mass extinction.
,b)It is proof that the Late Cretaceous biosphere was stressed by iridium contamination
prior to the K/Pg extinction.
c)It proved that the K/Pg meteorite crater was in the Northern Hemisphere.
d)It supports the idea that an extraterrestrial object collided with the Earth at that time,
contributing to a mass extinction.
e)It was evidence that large-scale earthquakes did not contribute to the K/Pg extinction.
- Answer-
Mass Extinctions/Impacts Graded Quiz
What is the Oort cloud?
a)A spherical cloud of comets surrounding the solar system beyond the orbit of Pluto.
b)A cloud of debris between the orbits of Mars and Jupiter.
c)A rapidly moving cloud of hot ash and gas that flows down the flanks of a
stratovolcano.
d)A cloud of carbon dioxide that surrounded the Earth following large scale volcanic
events in the Deccan area of India.
e)The cloud of carbon dioxide that surrounded the Earth following the K/Pg impact
event. - Answer- A spherical cloud of comets surrounding the solar system beyond the
orbit of Pluto.
Mass Extinctions/Impacts Graded Quiz
Why does the Earth NOT have an impact-scarred surface like the Moon?
a)The Earth is slightly older than the Moon.
b)The Moon's atmosphere attracts the majority of large space debris.
c)The Earth has experienced fewer impacts than the Moon.
d)The Earth is larger and has a stronger gravitational field.
e)Earth's surface has undergone change and continental reconfiguration. - Answer-
Earth's surface has undergone change and continental reconfiguration
Mass Extinctions/Impacts Graded Quiz
Unlike the period close to the Permo-Triassic extinction event, the mid-Cretaceous was
a time of high sea levels. What is the MOST LIKELY cause of this rise?
a)deepening of the ocean basins
b)increase in rate of bombardment of icy comets
c)increase in glacial ice at the poles
d)increased seafloor spreading rates
e)increased precipitation - Answer- increased seafloor spreading rates
Mass Extinctions/Impacts Graded Quiz
Which of the following is currently NOT a feasible plan to prevent a meteor impact on
Earth?
a)Mine it to remove material, which would shift its orbit.
, b)Attach an engine and nudge the object from its orbit.
c)Destroy it with enormous space mirrors.
d)Destroy it with nuclear weapons.
e)All of these options are NOT feasible. - Answer- All of these options are NOT feasible.
Mass Extinctions/Impacts Graded Quiz
Which geological time "unit" is the LONGEST?
a)the Cretaceous
b)the Precambrian
c)the Silurian
d)the Phanerozoic
e)the Cambrian - Answer- the Precambrian
Storms Graded Quiz
The eye of a hurricane has ______ pressure at sea level and ______ pressure at the
tropopause
a)high; high
b)high; low
c)low; low
d)low; no
e)low; high - Answer- low; high
Storms Graded Quiz
The clouds at location "D" in this figure is/are called __________ clouds.
***PICTURES IN DOCUMENT*** - Answer- Flanking Line
Storms Graded Quiz
The scale used to classify reflectivity intensity in radar echoes is the ______ scale.
a)dBZ
b)Richter
c)Enhanced Fujita
d)Saffir-Simpson
e)Torro
***learn all the scales*** - Answer- dBZ
Storms Graded Quiz
Which indicates the more severe weather disaster?
a)10 Amp lightning
b)Saffir-Simpson 3
ANSWERS LATEST 2024/2025
UPDATE FULLY SOLVED
Mass Extinctions/Impacts Graded Quiz
The Deccan Traps likely contributed to climate change at the end of the ______.
a)Devonian
b)Cretaceous
c)Permian
d)Triassic
e)Jurassic - Answer- Cretaceous
Mass Extinctions/Impacts Graded Quiz
The organisms most responsible for biological extinctions today are ______.
a)humans
b)domestic dogs
c)fungi
d)viruses
e)domestic cats - Answer- humans
Mass Extinctions/Impacts Graded Quiz
Concerning the Permo-Triassic (end Permian) extinction, which of the following
statements is FALSE?
a)Extinction may be related to a fall in sea level.
b)The degree of volcanic activity at ocean ridges may have been a contributory factor in
extinction.
c)The dinosaurs were too specialized to survive and as result went into extinction.
d)There was likely a large release of methane at the end of the Permian.
e)A lack of oxygen in the oceans has been suggested as a possible cause. - Answer-
The dinosaurs were too specialized to survive and as result went into extinction.
Mass Extinctions/Impacts Graded Quiz
What is the significance of high levels of iridium in Late Cretaceous sediments?
a)It supported the idea that global fires occurred in the Late Cretaceous, contributing to
the mass extinction.
,b)It is proof that the Late Cretaceous biosphere was stressed by iridium contamination
prior to the K/Pg extinction.
c)It proved that the K/Pg meteorite crater was in the Northern Hemisphere.
d)It supports the idea that an extraterrestrial object collided with the Earth at that time,
contributing to a mass extinction.
e)It was evidence that large-scale earthquakes did not contribute to the K/Pg extinction.
- Answer-
Mass Extinctions/Impacts Graded Quiz
What is the Oort cloud?
a)A spherical cloud of comets surrounding the solar system beyond the orbit of Pluto.
b)A cloud of debris between the orbits of Mars and Jupiter.
c)A rapidly moving cloud of hot ash and gas that flows down the flanks of a
stratovolcano.
d)A cloud of carbon dioxide that surrounded the Earth following large scale volcanic
events in the Deccan area of India.
e)The cloud of carbon dioxide that surrounded the Earth following the K/Pg impact
event. - Answer- A spherical cloud of comets surrounding the solar system beyond the
orbit of Pluto.
Mass Extinctions/Impacts Graded Quiz
Why does the Earth NOT have an impact-scarred surface like the Moon?
a)The Earth is slightly older than the Moon.
b)The Moon's atmosphere attracts the majority of large space debris.
c)The Earth has experienced fewer impacts than the Moon.
d)The Earth is larger and has a stronger gravitational field.
e)Earth's surface has undergone change and continental reconfiguration. - Answer-
Earth's surface has undergone change and continental reconfiguration
Mass Extinctions/Impacts Graded Quiz
Unlike the period close to the Permo-Triassic extinction event, the mid-Cretaceous was
a time of high sea levels. What is the MOST LIKELY cause of this rise?
a)deepening of the ocean basins
b)increase in rate of bombardment of icy comets
c)increase in glacial ice at the poles
d)increased seafloor spreading rates
e)increased precipitation - Answer- increased seafloor spreading rates
Mass Extinctions/Impacts Graded Quiz
Which of the following is currently NOT a feasible plan to prevent a meteor impact on
Earth?
a)Mine it to remove material, which would shift its orbit.
, b)Attach an engine and nudge the object from its orbit.
c)Destroy it with enormous space mirrors.
d)Destroy it with nuclear weapons.
e)All of these options are NOT feasible. - Answer- All of these options are NOT feasible.
Mass Extinctions/Impacts Graded Quiz
Which geological time "unit" is the LONGEST?
a)the Cretaceous
b)the Precambrian
c)the Silurian
d)the Phanerozoic
e)the Cambrian - Answer- the Precambrian
Storms Graded Quiz
The eye of a hurricane has ______ pressure at sea level and ______ pressure at the
tropopause
a)high; high
b)high; low
c)low; low
d)low; no
e)low; high - Answer- low; high
Storms Graded Quiz
The clouds at location "D" in this figure is/are called __________ clouds.
***PICTURES IN DOCUMENT*** - Answer- Flanking Line
Storms Graded Quiz
The scale used to classify reflectivity intensity in radar echoes is the ______ scale.
a)dBZ
b)Richter
c)Enhanced Fujita
d)Saffir-Simpson
e)Torro
***learn all the scales*** - Answer- dBZ
Storms Graded Quiz
Which indicates the more severe weather disaster?
a)10 Amp lightning
b)Saffir-Simpson 3
