Eras and Geological Time CDS Questions

CDS Physical Geography

Eras and Geological Time MCQ Questions


13.
The word 'Paleozoic' literally means:
A.
Hidden life
B.
Middle life
C.
Ancient life
D.
New life
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ANSWER :
C. Ancient life
14.
The Paleozoic Era is divided into how many periods?
A.
Five
B.
Seven
C.
Three
D.
Six
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ANSWER :
D. Six
15.
The correct order of periods in the Paleozoic Era from oldest to youngest is:
A.
Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian
B.
Cambrian, Silurian, Ordovician, Devonian, Permian, Carboniferous
C.
Permian, Carboniferous, Devonian, Silurian, Ordovician, Cambrian
D.
Ordovician, Cambrian, Devonian, Silurian, Carboniferous, Permian
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ANSWER :
A. Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian
16.
The 'Cambrian Explosion' refers to:
A.
The formation of the supercontinent Pangaea
B.
A rapid diversification of marine life forms about 541 million years ago
C.
The asteroid impact that killed the dinosaurs
D.
A massive volcanic eruption that ended the Paleozoic Era
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ANSWER :
B. A rapid diversification of marine life forms about 541 million years ago
17.
Which group of marine arthropods, now extinct, was characteristic and most abundant during the Cambrian Period?
A.
Dinosaurs
B.
Mammoths
C.
Ammonites
D.
Trilobites
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ANSWER :
D. Trilobites
18.
The first known mass extinction event occurred at the end of which period?
A.
Cambrian
B.
Devonian
C.
Ordovician
D.
Silurian
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ANSWER :
C. Ordovician