Chapter 1: A Universe of Lifes3.amazonaws.com/prealliance_oneclass_sample/XD9X… · · 2014-10-23Test Bank for Life in the Universe, Third Edition Chapter 1: A Universe of Life?

Test Bank for Life in the Universe, Third EditionChapter 1: A Universe of Life?

Chapter 1: A Universe of Life?

1. The portrayal of nearly all aliens in movies and on TV as being humanoid isA) based on the fact that it would be impossible for us to understand anything that

wasn't very similar to a humanB) realistic because the human form has several unique qualities that make it a good

choice for any advanced civilizationC) based on the fact that the human form is the only possible form for an advanced

civilizationD) probably unrealistic because the human form is most likely a result of the particular

conditions and events that occurred on the Earth

2. Extraterrestrial life elsewhere in the universeA) will be unrecognizableB) could be similar to life on Earth or might be completely differentC) will be identical to life on EarthD) will be completely different than life on Earth

3. Extraterrestrial life is defined to beA) life found beyond the Earth which is based on the same biology and chemistry as

life on EarthB) advanced life forms that have visited the EarthC) any kind of life found beyond the EarthD) advanced life found on Earth-like planets around other stars

4. If life is eventually found in the solar system, it will most likely be in the form ofA) microbesB) plantsC) animalsD) little green men and women

5. Recently astronomers have gained concrete evidence that, in addition to being full of stars, the universe is also full ofA) dark matterB) galaxiesC) LifeD) planets

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6. The search for life in the universe A) is related most closely to astronomyB) is related most closely to biologyC) is influenced by almost every other branch of scienceD) is a unique branch of science, unrelated to any other branch

7. Which three branches of science are most important in our study of life in the universe?A) physics, mathematics, and astronomyB) astronomy, planetary science, and biologyC) planetary science, biology, and mathematicsD) biology, mathematics, and physics

8. For most of human history it was believed that Earth was at the center of the Universe. This idea is referred to asA) geocentricB) heliocentricC) egocentricD) eccentric

9. Astronomy has shown us that the EarthA) occupies a special location in the universe so that life elsewhere is unlikelyB) is the only planet in the universe with any kind of lifeC) is the only planet in the universe with advanced lifeD) is just one planet orbiting an ordinary star in a vast universe

10. Astronomy has shown us that the fundamental laws of physics areA) the same everywhere in the universeB) the same in our solar system but different beyond the solar systemC) completely random and unpredictableD) different on other planets in our solar system

11. During the latter half of the twentieth century, exploration of our solar system by planetary scientists predicted that planets around other stars should beA) Earth-likeB) nonexistentC) commonD) relatively rare

12. Planets orbiting around stars other than our Sun are known asA) extraterrestrial planets



B) astroplanetsC) extrasolar planetsD) stellar planets

13. A habitable world is defined to be one thatA) is identical to the EarthB) is in orbit about a solar-type starC) has an atmosphereD) has conditions suitable for life

14. The fact that the life on Earth seems to have appeared quite rapidly suggests that lifeA) can arise on most habitable worldsB) can only appear soon after a planet formsC) on any kind of planet is inevitableD) is only possible on Earth-like planets

15. The molecular building blocks of life have been foundA) only on the EarthB) on the Earth, in interstellar clouds, and in meteoritesC) on the Earth and in meteoritesD) on the Earth and on Mars

16. Biologists have found that life on Earth canA) survive over a wide range of environmental conditionsB) only survive on the surface of the EarthC) survive over only a very narrow range of environmental conditionsD) survive only in the presence of sunlight

17. If life exists on Mars today it will most likely be foundA) everywhere—on the surface, beneath the surface, and in its atmosphereB) on the surfaceC) beneath the surfaceD) in its atmosphere

18. Among the other planets, probably the most likely place to find evidence for life either now or in the past is onA) VenusB) MercuryC) JupiterD) Mars



19. Beneath the surface of which moon of Jupiter is there the strongest evidence for the existence of a subsurface ocean of liquid water?A) IoB) CallistoC) EuropaD) Ganymede

20. Possible evidence for subsurface liquids has been found beneath the surfaces of one or more of the moons of A) Jupiter onlyB) Jupiter, Saturn, and NeptuneC) Jupiter and SaturnD) Jupiter, Saturn, Uranus, and Neptune

21. Using current spacecraft, how long would it take to reach the nearest stars?A) hundreds of thousands of yearsB) millions of yearsC) only a few yearsD) thousands of years

22. Within a couple of decades, we will probably beA) able to travel to planets and moons around other starsB) communicating with advanced civilizations that have travelled to Earth from

distant star systemsC) still no closer to detecting the signs of extraterrestrial life than we are todayD) able to detect the spectral signatures of life on planets and moons around other stars

23. The Search for Extraterrestrial Intelligence (SETI) program currently involvesA) broadcasting signals for other advanced civilizations to receiveB) listening for signals broadcast by advanced civilizationsC) searching for life on planets around other starsD) searching for life in our solar system

24. The study of life in the universe is best described by the termA) astrochemistryB) bioastronomyC) astrobiologyD) exobiology



25. At its most fundamental level, the goal of astrobiology is toA) discover the connection between life and the places it is foundB) find how life on Earth originatedC) find life beyond the EarthD) understand the biological makeup of other life forms

Answer Key -- Chapter 1: A Universe of Life?

1. D2. B3. C



4. A5. D6. C7. B8. A9. D10. A11. C12. C13. D14. A15. B16. C17. C18. D19. C20. B21. A22. D23. B24. C25. A



My quiz

Possible evidence for subsurface liquids has been found beneath the surfaces of one or more of the moons ofSelect one:

a. Jupiter, Saturn, Uranus, and Neptune

b. Jupiter, Saturn, and Neptune

c. Jupiter only

d. Jupiter and SaturnFeedback

The correct answer is: Jupiter, Saturn, and Neptune.

The study of life in the universe is best described by the termSelect one:

a. exobiology

b. astrochemistry

c. astrobiology

d. bioastronomyFeedback

The correct answer is: astrobiology.

A person claims to have been abducted by aliens and subjected to painful medical procedures that left scarring. However, he refuses to allow interested scientists to study his scars. This is an example ofSelect one:

a. discovery science

b. hypothesis-driven science

c. nonscience

d. pseudoscience Feedback

The correct answer is: pseudoscience.

Recently astronomers have gained concrete evidence that, in addition to being full of stars, the universe is also full ofSelect one:

a. planets

b. galaxies

c. dark matter

d. lifeFeedback

The correct answer is: planets.



The portrayal of nearly all aliens in movies and on TV as being humanoid isSelect one:

a. based on the fact that it would be impossible for us to understand anything that wasn't very similar to a human

b. realistic because the human form has several unique qualities that make it a good choice for any advanced civilization

c. based on the fact that the human form is the only possible form for an advanced civilization

d. probably unrealistic because the human form is most likely a result of the particular conditions and events that

occurred on the Earth Feedback

The correct answer is: probably unrealistic because the human form is most likely a result of the particular conditions and events that occurred on the Earth.

A scientist intuitively believes that a higher power must be present in the universe. However, she can provide no experimental data to support her belief. This is an example ofSelect one:

a. hypothesis-driven science

b. discovery science

c. pseudoscience

d. nonscienceFeedback

The correct answer is: nonscience.

Extraterrestrial life elsewhere in the universeSelect one:

a. will be completely different than life on Earth

b. could be similar to life on Earth or might be completely different

c. will be unrecognizable

d. will be identical to life on EarthFeedback

The correct answer is: could be similar to life on Earth or might be completely different.

Beneath the surface or which moon of Jupiter is there the strongest evidence for the existence of a subsurface ocean of liquid water?Select one:

a. Ganymede

b. Callisto

c. Europa

d. IoFeedback

The correct answer is: Europa.



Question 9Correct

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Which three branches of science are most important in our study of life in the universe?Select one:

a. physics, mathematics, and astronomy

b. biology, mathematics, and physics

c. astronomy, planetary science, and biology

d. planetary science, biology, and mathematicsFeedback

The correct answer is: astronomy, planetary science, and biology.

Question 10Incorrect


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A scientific model is considered valid if it is consistent withSelect one:

a. independent observations made by different scientists

b. repeated observations made by an individual scientist

c. the opinions of experts in the field

d. a single observation by an individual scientistFeedback

The correct answer is: independent observations made by different scientists.

Extraterrestrial life is defined to beSelect one:

a. any kind of life found beyond the Earth

b. advanced life found on Earth-like planets around other stars



c. life found beyond the Earth which is based on the same biology and chemistry as life on Earth

d. advanced life forms that have visited the EarthFeedback

The correct answer is: any kind of life found beyond the Earth.

Biologists have found that life on Earth canSelect one:

a. survive over only a very narrow range of environmental conditions

b. only survive on the surface of the Earth

c. survive over a wide range of environmental conditions

d. survive only in the presence of sunlightFeedback

The correct answer is: survive over a wide range of environmental conditions.

The search for life in the universeSelect one:

a. is related most closely to biology

b. is influenced by almost every other branch of science

c. is related most closely to astronomy

d. is a unique branch of science, unrelated to any other branchFeedback

The correct answer is: is influenced by almost every other branch of science.

In the scientific method a hypothesis is another name forSelect one:

a. an educated guess

b. an observation

c. a test

d. a theoryFeedback

The correct answer is: an educated guess.

Correct


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Question text

In the scientific method, what immediately follows a prediction?Select one:

a. a test

b. a question

c. an observation

d. a hypothesisFeedback

The correct answer is: a test.

Astronomy has shown us that the fundamental laws of physics areSelect one:

a. completely random and unpredictable

b. the same in our solar system but different beyond the solar system

c. different on other planets in our solar system

d. the same everywhere in the universe Feedback

The correct answer is: the same everywhere in the universe.

If life is eventually found in the solar system, it will most likely be in the form ofSelect one:

a. plants

b. little green men and women

c. microbes

d. animalsFeedback

The correct answer is: microbes.

Question 18Correct


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Question text

For most of human history it was believed that Earth was at the center of the Universe. This idea is referred to as



Select one:

a. heliocentric

b. eccentric

c. geocentric

d. egocentricFeedback

The correct answer is: geocentric.

A scientist tries to determine why a particular car is getting a much lower gas mileage than claimed by the manufacturer by systematically designing experiments to test possible causes for the problem. This is an example ofSelect one:

a. nonscience

b. discovery science

c. pseudoscience

d. hypothesis-driven scienceFeedback

The correct answer is: hypothesis-driven science.

The molecular building blocks of life have been foundSelect one:

a. on the Earth and in meteorites

b. on the Earth, in interstellar clouds, and in meteorites

c. on the Earth and on Mars

d. only on the EarthFeedback

The correct answer is: on the Earth, in interstellar clouds, and in meteorites.

Astronomy has shown us that the EarthSelect one:

a. is just one planet orbiting an ordinary star in a vast universe

b. occupies a special location in the universe so that life elsewhere is unlikely

c. is the only planet in the universe with advanced life

d. is the only planet in the universe with any kind of lifeFeedback

The correct answer is: is just one planet orbiting an ordinary star in a vast universe.

Modern science attempts to seek explanations for phenomena that are based onSelect one:



a. new subjective laws that are yet to be confirmed experimentally

b. intuitive expectations

c. the known laws of nature

d. the views of leading scientistsFeedback

The correct answer is: the known laws of nature.Next ►

Within a couple of decades, we will probably beSelect one:

a. still no closer to detecting the signs of extraterrestrial life than we are today

b. able to travel to planets and moons around other stars

c. communicating with advanced civilizations that have travelled to Earth from distant star systems

d. able to detect the spectral signatures of life on planets and moons around other stars Feedback

The correct answer is: able to detect the spectral signatures of life on planets and moons around other stars.

A habitable world is defined to be one thatSelect one:

a. is in orbit about a solar-type star

b. has conditions suitable for life

c. has an atmosphere

d. is identical to the EarthFeedback

The correct answer is: has conditions suitable for life.


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Chapter 1: A Universe of Lifes3.amazonaws.com/prealliance_oneclass_sample/XD9X… · · 2014-10-23Test Bank for Life in the Universe, Third Edition Chapter 1: A Universe of Life?