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Origin of Life Crash Course

Total questions: 22

Worksheet time: 25mins

Name
Class
Date
1.

Which statement best describes conditions on early Earth?

a)

hot with volcanic activity and electrical storms

b)

dry, arid land covered with cacti

c)

cold oceans

d)

dark and dusty with abundant water

2.

Which of the following is required for all life on earth?

a)

Coffee

b)

Water

c)

Eating plants

d)

Jiggling and Sliding

3.
Which of the following describes what the first life form resembled?
a)
Eukaryotes
b)
Plants
c)
Bacteria
d)
Fungi
4.
Cells without a nucleus are said to be _____________________.
a)
Eukaryotic
b)
Prokaryotic
5.
What gas was necessary for complex (eukaryotic) life to evolve?
a)
Carbon dioxide
b)
Oxygen
c)
Dihydrogen monoxide
d)
Methane
6.
Approximately how long ago did the earth form?
a)
4.6 billion years ago
b)
4.2 billion years ago
c)
3.8 billion years ago
d)
3. 6 billion years ago
7.

This experiment was conducted by the scientists:

a)

Stanley Miller and Harold Urey

b)

David Attenborough and Albert Einstein

c)

Louis Pasteur and Francesco Redi

d)

James Watson and Francis Crick

8.

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 were the earliest organic molecules formed?

d)

What gave rise to the first eukaryotic cell?

9.
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)
10.
The electrical sparks mimicked?
a)
The Sun's energy
b)
Lightning
c)
Volcanic eruptions
d)
Cosmic radiation
11.

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

12.
Which type of cell came first?
a)
Eukaryotic
b)
Prokaryotic
c)
Plant
d)
Both Eukaryotic and Prokaryotic cells evolved around the same time
13.
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
14.

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)

Clam chowder hypothesis

d)

Radioactive dating theory

15.

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)

Miller and Urey were legit scientists

16.

What process is shown within this diagram?

a)

Agario

b)

Endosymbiosis

c)

Chemical evolution

d)

Abiogenesis

17.

The theory of Endosymbiosis explains...

a)

The origin of eukaryotes

b)

How prokaryotes first appeared on Earth

c)

How bacteria evolved

d)

Why cells rely on one another

18.

Which concept refers to life arising from non-living molecules?

a)

Organic evolution

b)

Abiotic synthesis

c)

Chemosynthesis

d)

Photosynthesis

19.

Endosymbiosis gave rise to

a)

golgi bodies and ribosomes

b)

chloroplasts and mitochondria

c)

lysosomes and nuclei

d)

the rough and smooth endoplasmic reticulum

20.
What gas were we missing in Earth's early atmosphere?
a)
carbon dioxide
b)
oxygen
c)
water vapor
d)
sulfur oxides
21.

These two scientists hypothesized (but never tested) that the early Earth atmosphere contained the necessary molecules and energy sources to produce organic molecules.

a)

Oparin-Haldane

b)

Darwin-Wallace

c)

Miller-Urey

d)

Lyell-Hutton

22.

All of the following are evidence of endosymbiosis EXCEPT

a)

mitochondria and chloroplast contain ribosomes but lack most other organelles

b)

mitochondria and chloroplasts are similar in size to prokaryotes

c)

mitochondria and chloroplasts have double membranes

d)

mitochondria and chloroplast have a membrane-bound nucleus