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Exam (elaborations) ASTRONOMY 2021 Final-Rehearsal-ohneAK
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Exam (elaborations) ASTRONOMY 2021 Final-Rehearsal-ohneAK
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ASTRONOMY 2021 Final-Rehearsal-ohneAKREHEARSAL FINAL
On Lecture 06 Material A) selective breeding
B) fossilization
Question 1-47: C) change of one eon to the next
Unlike New–World monkeys, apes ...
A) reproduce asexually
B) do not have opposable thumbs
C) cannot walk upright for short distances
D) have tails
E) None of answers (A) to (D) is correct
Question 1-48:
About 420 million years ago, the first land animals
occurred as a result of which animals venturing out of the
sea?
A) reptiles
B) bony fishes
C) amphibians
D) insects
E) mammals
Question 1-50:
Assume that two genes control the same trait and lie on each
chromosome of a pair, respectively. In Genetics, we call
such genes ...
A) dominant
B) phenotypes
C) genotypes
D) gametes
E) alleles
Question 1-51:
How many different nucleotide bases has DNA?
A) l
B) 2
C) 4
D) 8
E) 26
Question 1-59:
Species evolve according to Darwin's theory by ...
A) gene jumping
B) breeding
C) sexual selection
D) all of the above
E) none of the above
Question 1-60:
In Earth's history, evolutionary changes are usually caused
by ...
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, ASTRONOMY 2021 Final-Rehearsal-ohneAK
D) modifications in brain structure
E) changes in the environment
Question 2-25:
How are the geological record and the fossil record related?
A) the geological and fossil records are completely unrelated
B) the fossil record is part of the geological record
C) the geological record is part of the fossil record
D) the geological record and the fossil record are just
dif- ferent names for the same thing
Question 2-26:
A fossil is found in a layer of strata above a layer dated
at 5 million years. What can we deduce about the age of
the fos- sil?
A) Its age to within a million years
B) That its age must be greater than 5 million years
C) That it is about 5 million years old
D) That it must be younger than 5 million years
E) No conclusions about its age can be
drawn Question 2-38:
Dog breeders have created terriers through ...
A) natural selection
B) gene splicing
C) selective breeding
D) domestication
E) specialized food diet
Question 2-39:
Reptiles were the first animals to lay shell–covered
eggs. This allowed them ...
A) to have more offspring
B) to be the first vertebrates to live on dry land
C) to live far from the sea
D) to reproduce asexually
E) to dominate life on earth
Question 2-40:
Approximately what proportion of all species that ever
exist- ed on earth are extinct by now? Choose the closest
answer. A) 99%
B) 90%
C) 50%
D) 10%
E) 1%
Question 2-45:
Birds evolved directly from ...
A) mammals
B) fish
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, ASTRONOMY 2021 Final-Rehearsal-ohneAK
C) amphibians those organisms surviving on photosynthesis would most
D) reptiles likely become ...
E) dinosaurs A) less efficient at harvesting light or have a faster meta-
bolism than photosynthetic organisms on Earth currently
Question 2-46: B) identical to photosynthetic organisms on Earth currently
The current body of knowledge in the field of palaeontology C) more efficient at harvesting light or have a slower meta-
knowledge holds that the evolutionary line leading to
bolism than photosynthetic organisms on Earth currently
homo sapiens is composed of the following two genera:
D) would get extinct as no photosynthesis is possible
A) Australopithecus and Homo
under those conditions
B) apes and Homo sapiens
C) apes and humans Question 4-68:
D) old–world monkeys and new–world monkeys Given that the processes in a living organism's cells
E) apes and monkeys require the presence of large organic molecules that
maintain chemi- cal reactions continuously, this sets the
Question 3-26: following limit(s) on the temperature at a planet's surface:
Which of the following living or extinct creature has/had the A) a lower limit
smallest brain? B) an upper limit
A) A Blue whale C) no limits
B) An African elephant
D) Choices A and B are correct
C) A Neanderthal (member of Homo Neanderthalensis)
D) A modern human Question 4-69:
Given that the processes in a living organism's cells occur in
Question 3-27: aqueous solutions, this sets the following limit(s) on the
Let’s assume that well preserved 8 million year old foot- pressure of a planet's atmosphere:
prints of a 1.3 metre tall small–brained creature are A) a lower limit
discover- ed in African volcanic ash. An individual B) an upper limit
belonging to which of the following groups/species can have C) no limits
caused these foot-prints? D) Choices A and B are correct
A) Old–world monkeys
B) New–world monkeys Question 4-107:
C) Neanderthals What does the existence of an atmosphere guarantee with
D) Australopithecines respect to surface habitability for Earth–like life?
E) Hominins A) It guarantees liquid water to be stable
B) It provides an ozone layer to protect life against
Question 3-29: danger- ous UV radiation from the Sun
Approximately what proportion of all species that ever C) It helps generate a protective magnetic field
exist- ed still roam the Earth? Choose closest answer. D) Both of choices A and B are correct
A) 100% E) None of choices A to C are correct
B) 2/3
C) 1/3 Question 4-108:
D) 10% What can contribute to a planet of comparable size to
E) less than 1% Earth to lose carbon dioxide from its atmosphere?
A) thermal escape
Question 3-32: B) large impacts
Which of the following processes does contribute most ef- C) solar wind stripping
fectively to the variability of individual genes within a given D) two of choices A to C are correct
species? E) all of choices A to C are correct
A) Crossing over
B) Translation Question 5-50:
C) Linkage Earth receives per square–metre of surface how much
D) Mutation more light energy than Jupiter’s moon Europa, which lies
E) Asexual self–duplication between 4 AU and 6 AU from Earth? Choose the closest
number.
Question 4-67: A) 4 times as much
If the surface temperature of the sun would drop to 5000K, B) 6 times as much
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