Question 1

An organism with an Encephalization Quotient (EQ) of 0.1 is expected to be of

Accepted Answer

A)  the lowest possible intelligence 
B)  above-average intelligence 
C)  average intelligence 
D)  below-average intelligence 
A)  the lowest possible intelligence 
B)  above-average intelligence 
C)  average intelligence 
D)  below-average intelligence

Question 2

If the communication lifetime of civilizations in our galaxy is 10,000 years and our galaxy is 13 billion years old, what is the chance of us detecting another intelligent civilization now?

Accepted Answer

A)  1 in 13,000 
B)  1 in 1,300,000 
C)  1 in 1300 
D)  1 in 130,000 
A)  1 in 13,000 
B)  1 in 1,300,000 
C)  1 in 1300 
D)  1 in 130,000

Question 3

A UFO is

Accepted Answer

A)  an unidentified object seen in the sky 
B)  an alien spaceship 
C)  a hoax 
D)  a natural phenomenon 
A)  an unidentified object seen in the sky 
B)  an alien spaceship 
C)  a hoax 
D)  a natural phenomenon

Question 4

After World War II, the U.S. Government spent two decades investigating UFOs because they

Accepted Answer

A)  were themselves developing new types of aircraft and used the official investigation as a cover-up 
B)  thought that they might be new types of aircraft being developed by the Soviet Union 
C)  knew that UFOs were alien craft and used the official investigation as a cover-up 
D)  were afraid that an alien civilization was in the process of invading the Earth 
A)  were themselves developing new types of aircraft and used the official investigation as a cover-up 
B)  thought that they might be new types of aircraft being developed by the Soviet Union 
C)  knew that UFOs were alien craft and used the official investigation as a cover-up 
D)  were afraid that an alien civilization was in the process of invading the Earth

Question 5

Which type of signal could carry the largest amount of information?

Accepted Answer

A)  low intensity 
B)  high intensity 
C)  large bandwidth 
D)  small bandwidth 
A)  low intensity 
B)  high intensity 
C)  large bandwidth 
D)  small bandwidth

Question 6

An optical SETI signal would most likely consist of

Accepted Answer

A)  using mirrors to reflect light from the surface of a planet 
B)  using a giant disk to block out the light from the parent star 
C)  rapid, short bursts of intense laser light 
D)  a continuous beam of laser light 
A)  using mirrors to reflect light from the surface of a planet 
B)  using a giant disk to block out the light from the parent star 
C)  rapid, short bursts of intense laser light 
D)  a continuous beam of laser light

Question 7

Which Lagrange points in the Earth-Moon system are stable?

Accepted Answer

A)  L1 only 
B)  L4 and L5 
C)  L2 and L3 
D)  all are stable 
A)  L1 only 
B)  L4 and L5 
C)  L2 and L3 
D)  all are stable

Question 8

If the communication lifetime of civilizations in our galaxy is 100 million years and our galaxy is 13 billion years old, what is the chance of us detecting another intelligent civilization now?

Accepted Answer

A)  1 in 1,300,000 
B)  1 in 13 
C)  1 in 1300 
D)  1 in 130 
A)  1 in 1,300,000 
B)  1 in 13 
C)  1 in 1300 
D)  1 in 130

Question 9

The Inner Galactic Plane Survey conducted with the Allen Telescope Array in northern California is an example of a

Accepted Answer

A)  sky survey 
B)  targeted search 
C)  intentional search 
D)  random sweep 
A)  sky survey 
B)  targeted search 
C)  intentional search 
D)  random sweep

Question 10

Any reply to a detected SETI signal should

Accepted Answer

A)  be decided upon by the group of scientists who first detected the signal 
B)  be decided upon by the government of the country who first detected the signal 
C)  be sent immediately as a signal is received 
D)  represent a consensus of the Earth's population 
A)  be decided upon by the group of scientists who first detected the signal 
B)  be decided upon by the government of the country who first detected the signal 
C)  be sent immediately as a signal is received 
D)  represent a consensus of the Earth's population

Question 11

What kind of civilization can life on Earth currently be classified as?

Accepted Answer

A)  Type II 
B)  Type III 
C)  Type IV 
D)  Type I 
A)  Type II 
B)  Type III 
C)  Type IV 
D)  Type I

Question 12

Which term in the simplified Drake equations depends on sociological factors?

Accepted Answer

A)  NHP 
B)  flᵢfₑ 
C)  fcᵢᵥ 
D)  fnₒw 
A)  NHP 
B)  flᵢfₑ 
C)  fcᵢᵥ 
D)  fnₒw

Question 13

The search for radio signals from intelligent civilizations on planets around nearby solar-type stars is an example of a

Accepted Answer

A)  sky survey 
B)  targeted search 
C)  intentional search 
D)  random sweep 
A)  sky survey 
B)  targeted search 
C)  intentional search 
D)  random sweep

Question 14

If we were to intercept a strong radio signal at 1420 MHz in binary format from another civilization, this would be an example of

Accepted Answer

A)  a signal used for communication between a civilization's home world and another planet in its own planetary system 
B)  a signal used for local communication in the world where the intelligent beings exist 
C)  an intentional signal beacon 
D)  a signal used for communication between a civilization's home world and another star system 
A)  a signal used for communication between a civilization's home world and another planet in its own planetary system 
B)  a signal used for local communication in the world where the intelligent beings exist 
C)  an intentional signal beacon 
D)  a signal used for communication between a civilization's home world and another star system

Question 15

If you arrange the following 15 bits (111001111100111) into 5 rows of 3 bits starting with the first bit, what number does it spell out?

Accepted Answer

A)  2 
B)  3 
C)  5 
D)  1 
A)  2 
B)  3 
C)  5 
D)  1

Question 16

Approximately what proportion of people in the United States believe we have been visited by extraterrestrials?

Accepted Answer

A)  around 33% or a third 
B)  about 50% or a half 
C)  less than 1% 
D)  more than 90% 
A)  around 33% or a third 
B)  about 50% or a half 
C)  less than 1% 
D)  more than 90%

Question 17

One of the most likely places an advanced civilization might leave an artifact for us to find would be

Accepted Answer

A)  in the desert of Roswell, New Mexico 
B)  the L4 and L5 points in the Earth-Moon system 
C)  in the Cydonia region of Mars 
D)  on the far side of the Moon 
A)  in the desert of Roswell, New Mexico 
B)  the L4 and L5 points in the Earth-Moon system 
C)  in the Cydonia region of Mars 
D)  on the far side of the Moon

Question 18

An organism with an Encephalization Quotient (EQ) of 1 is expected to be of

Accepted Answer

A)  above-average intelligence 
B)  average intelligence 
C)  the lowest possible intelligence 
D)  below-average intelligence 
A)  above-average intelligence 
B)  average intelligence 
C)  the lowest possible intelligence 
D)  below-average intelligence

Question 19

Given that our galaxy has a volume of approximately 8 10¹² ly³, what would be the average minimum amount of time to exchange messages between civilizations if there are currently 125,000 intelligent civilizations in our galaxy?

Accepted Answer

A)  800 years 
B)  1,200 years 
C)  200 years 
D)  400 years 
A)  800 years 
B)  1,200 years 
C)  200 years 
D)  400 years

Question 20

Which of the following kinds of signal do we currently have the best chance of detecting with currently technology?

Accepted Answer

A)  a signal used for communication between a civilization's home world and another star system 
B)  a signal used for communication between a civilization's home world and another planet in its own planetary system 
C)  an intentional signal beacon 
D)  a signal used for local communication in the world where the intelligent beings exist 
A)  a signal used for communication between a civilization's home world and another star system 
B)  a signal used for communication between a civilization's home world and another planet in its own planetary system 
C)  an intentional signal beacon 
D)  a signal used for local communication in the world where the intelligent beings exist

An organism with an Encephalization Quotient (EQ) of 0.1 is expected to be of

If the communication lifetime of civilizations in our galaxy is 10,000 years and our galaxy is 13 billion years old, what is the chance of us detecting another intelligent civilization now?

A UFO is

After World War II, the U.S. Government spent two decades investigating UFOs because they

Which type of signal could carry the largest amount of information?

An optical SETI signal would most likely consist of

Which Lagrange points in the Earth-Moon system are stable?

If the communication lifetime of civilizations in our galaxy is 100 million years and our galaxy is 13 billion years old, what is the chance of us detecting another intelligent civilization now?

The Inner Galactic Plane Survey conducted with the Allen Telescope Array in northern California is an example of a

Any reply to a detected SETI signal should

What kind of civilization can life on Earth currently be classified as?

Which term in the simplified Drake equations depends on sociological factors?

The search for radio signals from intelligent civilizations on planets around nearby solar-type stars is an example of a

If we were to intercept a strong radio signal at 1420 MHz in binary format from another civilization, this would be an example of

If you arrange the following 15 bits (111001111100111) into 5 rows of 3 bits starting with the first bit, what number does it spell out?

Approximately what proportion of people in the United States believe we have been visited by extraterrestrials?

One of the most likely places an advanced civilization might leave an artifact for us to find would be

An organism with an Encephalization Quotient (EQ) of 1 is expected to be of

Given that our galaxy has a volume of approximately 8 10¹² ly³, what would be the average minimum amount of time to exchange messages between civilizations if there are currently 125,000 intelligent civilizations in our galaxy?

Which of the following kinds of signal do we currently have the best chance of detecting with currently technology?

A Universe of Life

The Science of Life in the Universe

The Universal Context of Life

The Habitability of Earth

The Nature of Life on Earth

The Origin and Evolution of Life on Earth

Searching for Life in Our Solar System

Mars

Life on Jovian Moons

The Nature and Evolution of Habitability

Extrasolar Planets: Their Nature and Potential Habitability

Interstellar Travel and the Fermi Paradox

Filters

Exam 12: The Search for Extraterrestrial Intelligence

An organism with an Encephalization Quotient (EQ) of 0.1 is expected to be of

If the communication lifetime of civilizations in our galaxy is 10,000 years and our galaxy is 13 billion years old, what is the chance of us detecting another intelligent civilization now?

A UFO is

After World War II, the U.S. Government spent two decades investigating UFOs because they

Which type of signal could carry the largest amount of information?

An optical SETI signal would most likely consist of

Which Lagrange points in the Earth-Moon system are stable?

If the communication lifetime of civilizations in our galaxy is 100 million years and our galaxy is 13 billion years old, what is the chance of us detecting another intelligent civilization now?

The Inner Galactic Plane Survey conducted with the Allen Telescope Array in northern California is an example of a

Any reply to a detected SETI signal should

What kind of civilization can life on Earth currently be classified as?

Which term in the simplified Drake equations depends on sociological factors?

The search for radio signals from intelligent civilizations on planets around nearby solar-type stars is an example of a

If we were to intercept a strong radio signal at 1420 MHz in binary format from another civilization, this would be an example of

If you arrange the following 15 bits (111001111100111) into 5 rows of 3 bits starting with the first bit, what number does it spell out?

Approximately what proportion of people in the United States believe we have been visited by extraterrestrials?

One of the most likely places an advanced civilization might leave an artifact for us to find would be

An organism with an Encephalization Quotient (EQ) of 1 is expected to be of

Given that our galaxy has a volume of approximately 8 10¹² ly³, what would be the average minimum amount of time to exchange messages between civilizations if there are currently 125,000 intelligent civilizations in our galaxy?

Which of the following kinds of signal do we currently have the best chance of detecting with currently technology?

A Universe of Life

The Science of Life in the Universe

The Universal Context of Life

The Habitability of Earth

The Nature of Life on Earth

The Origin and Evolution of Life on Earth

Searching for Life in Our Solar System

Mars

Life on Jovian Moons

The Nature and Evolution of Habitability

Extrasolar Planets: Their Nature and Potential Habitability

Interstellar Travel and the Fermi Paradox

Filters