WorksheetsOrigin of Life
Total questions: 13
Worksheet time: 21mins
Name
Class
Date
1.
This experiment was conducted by the scientists:
a)
Stanley Miller and Harold Urey
b)
Harold Urey and Albert Einstein
c)
Louis Pasteur and Francesco Redi
d)
James Watson and Francis Crick
2.
Which question were the scientists trying to answer with this experiment?
a)
Where do cells come from?
b)
How did prokaryotes form cell membranes?
c)
How are biomolecules formed?
d)
What gave rise to the Eukaryotic cell?
3.
The apparatus in the experiment was used to mimic what?
a)
Proteins
b)
Present Earth conditions
c)
Early Earth conditions
d)
Nucleic acids (DNA/RNA)
4.
The electrical sparks mimicked?
a)
The Sun's energy
b)
Lightning
c)
Volcanic eruptions
d)
Cosmic radiation
5.
Miller/Urey and other scientists have shown that:
a)
Life on early Earth required material from space
b)
Cells survived in the primitive atmosphere
c)
Amino acids could be produced from inorganic molecules
d)
Simple cells can be produced in a laboratory
6.
Which type of cell came first?
a)
Eukaryotic
b)
Prokaryotic
c)
Plant
d)
Both Eukaryotic and Prokaryotic cells evolved around the same time
7.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
8.
Based upon the conditions of the early Earth, which forms of live most likely appeared first?
a)
Prokaryotic and aerobic
b)
Prokaryotic and anaerobic
c)
Eukaryotic and aerobic
d)
Eukaryotic and anaerobic
9.
The idea that Earth's early oceans had organic molecules that became the first life is called the...
a)
Primordial soup hypothesis
b)
Bubble hypothesis
c)
Miller-Urey Experiment
d)
Radioactive dating theory
10.
The theory of Endosymbiosis explains...
a)
The origin of eukaryotes
b)
How species develop
c)
How bacteria evolved
d)
Why cells rely on one another
11.
RNA World Theory states that ...
a)
Life came from RNA
b)
Life came from life
c)
Life came from non living things
d)
Life came from outer space
12.
The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today?
a)
Amino acids spontaneously form from molecules in the atmosphere today
b)
Organic molecules are present today in extremely high concentrations
c)
The process of synthesizing organic molecules from a mixture of gases has been successfully modeled in the laboratory
d)
No other alternative hypotheses have been introduced
13.
The two extant species that are closely related to each other are __.
a)
A and B
b)
B and C
c)
C and D
d)
D and E
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