WorksheetsGeological TIme
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
The geological time scale is divided into many subdivisions. The largest subdivision is
a)
Eras
b)
Periods
c)
Eons
d)
Epochs
2.
Which of the following is not a true geological eon, era, period or epoch?
a)
Cambrian
b)
Precambrian Time
c)
Jurassic
d)
Quaternary
3.
The Hadean is technically not a geological period as
a)
There is no rock on Earth that is this old
b)
Dinosaurs were not present at that time
c)
Humans were not present at that time
d)
The moon had not formed at this time
4.
Evidence on earth of solid rock older than 3.8 billion years is lacking because
a)
Those rocks haven't been found yet
b)
Dinosaurs have eaten all rocks over 3.8 billion years
c)
Older rocks have been lost due to erosion and plate tectonics
d)
They are under the sea
5.
In the early Archaean eon life forms appeared on earth. Evidence for this are
a)
Micro fossils of bacteria in the form of stromatolites
b)
Eurkaryotic cells found trapped in amber
c)
Reptile footprints in sand
d)
Bacteria trapped in permafrost
6.
Multicellular algae and the first animals evolved towards the end of the proterozoic eon. This was most likely due to
a)
Decreased oxygen levels in the atmosphere due to photosynthetic organisms
b)
Predators
c)
Genetic Drift
d)
Increased oxygen levels in the atmosphere due to photosynthetic organisms
7.
At the end of the proterozoic eon, reveals evidence of a diversity of multi cellular animals - the fossils are mainly of
a)
Vertebrates
b)
Small dinosaurs
c)
Small soft bodied sea creatures
d)
Prokaryotes
8.
The Palaeozoic era was a time of great change for the earth.
a)
Earth landmasses formed 3 supercontinents ( Gondwana, Laurasia and Pangaea)
b)
Two supercontinents Gondwand and Laurasia formed and greatly affected the climate, the land and sea environments
c)
Pangaea broke up
d)
Humans caused the formation of Pangaea
9.
The Cambrian explosion
a)
Was a large volcanic eruption
b)
Caused the end of trilobites
c)
Showed a reduced diversity in fossils
d)
Showed a dramatic increase in the number and complexity of life in the oceans
10.
The end of the Ordovician period (485.4 - 443.8 mya) was marked by
a)
A major ice age and mass extinction
b)
Extinction of the dinosaurs
c)
Jawless fish eating all the vertebrates
d)
Loss of all life on earth
11.
The Devonian period showed the emergence of
a)
Land Based Plants and Animals
b)
Vegetation spread via spores
c)
a large diversification of fishes
d)
All of the above
12.
Fleshy finned Devonian fishes developed sturdy fins that supported their weight at the edge of the water. These animals would give rise to
a)
Peapods
b)
Tetrapods
c)
Bipedalism
d)
ipods
13.
The period that is characterized by the abundance of terrestrial plant life is
a)
Carboniferous Period
b)
Carbon dioxide period
c)
Jurassic Period
d)
Ordovician Period
14.
Mass extinction of at the end of the Permian period lead to
a)
The death of the dinosaurs
b)
Increased competition on ecological niches
c)
Reduced competition which opened up ecological niches and a rapid diversification of life
d)
All of the above
15.
During the Late Triassic period early mammals were
a)
small, insectivorous, nocturnal, hairy and homeothermic
b)
Larger than dinosaurs
c)
The most common vertebrate
d)
Humans
16.
Archaeopteryx is a
a)
Early dinosaur with wings like a bird
b)
Early reptile with feathers
c)
a genus of bird-like dinosaurs that is transitional between non-avian feathered dinosaurs and modern birds ( Earliest known bird)
d)
invertebrate
17.
The cretaceous period bought about
a)
The dawn of the flowering plants ( angiosperms)
b)
Reduction in insect populations
c)
Decrease in insectivores
d)
Dinosaurs
18.
At the end of the cretaceous period
a)
Many dinosaurs went extinct due to an asteroid crashing into earth
b)
Many dinosaurs went extinct due to introduced species
c)
All dinosaurs went extinct
d)
All of the above
19.
The cenozoic era
a)
Dinosaurs were abundant
b)
Mammals and Birds became abundant
c)
Continental drift stopped
d)
All of the above
20.
The Neogene period saw
a)
Modern birds, mammals and flowering plants stop evolving
b)
Australia and Antarctia join together
c)
The first Hominins (human like) fossils
d)
All of the above
21.
During the Quaternary Period
a)
The ice age extinction event took place
b)
First modern humans walked the earth
c)
Megafauna shared the landscape with animals such as kangaroos and emus
d)
All of the above
100 %
