Questions & Answers
Browse all 25 questions from the
Astro-Zoology Quiz study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which animal was the first living creature to orbit the Earth in 1957?
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A
A hamster
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B
A dog
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C
A monkey
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D
A cat
2
What is the primary physiological effect of long-term microgravity on the density of animal and human bones?
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A
Increased mineral density
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B
No change
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C
Decreased mineral density
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D
Rapid bone regrowth
3
Tardigrades are microscopic animals famous for surviving the vacuum of space. To which phylum do they belong?
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A
Tardigrada
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B
Arthropoda
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C
Nematoda
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D
Mollusca
4
In 1973, which species was the first to successfully mate and produce offspring in the microgravity environment of Skylab 3?
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A
Fruit flies
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B
Laboratory mice
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C
Garden spiders
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D
Common frogs
5
Which planet in our solar system has a day length that has been studied specifically in relation to the circadian rhythms of biological organisms?
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A
Mars
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B
Venus
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C
Jupiter
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D
Saturn
6
What specific type of radiation in space poses the greatest threat to the DNA of biological organisms traveling beyond Earth's magnetic field?
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A
Infrared radiation
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B
Galactic cosmic rays
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C
Visible light
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D
Radio waves
7
NASA's 'Bion' satellite missions frequently carried which organisms to study the effects of prolonged space flight on vestibular systems?
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A
Honeybees
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B
Rats
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C
Goldfish
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D
Earthworms
8
Which element, essential for all known biological life, is synthesized in the cores of massive stars and dispersed by supernovae?
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A
Carbon
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B
Helium
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C
Neon
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D
Argon
9
The study of the potential for life in the universe, which includes the biological requirements of extraterrestrial organisms, is known as:
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A
Astrophysics
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B
Astrobiology
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C
Cosmology
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D
Exobiology
10
What unique adaptation allows the tardigrade to survive the radiation levels found in space?
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A
High metabolic rate
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B
Dormancy through cryptobiosis
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C
Photosynthesis
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D
Thick fur
11
Which organ in vertebrates is most responsible for sensing gravity and is often studied by space biologists?
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A
The vestibular system
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B
The liver
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C
The pancreas
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D
The spleen
12
What was the primary animal subject used by the United States in early suborbital flights to test the effects of g-force on primate physiology?
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A
Chimpanzees
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B
Lemurs
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C
Gibbons
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D
Orangutans
13
In space biology, what is the 'fluid shift' effect observed in vertebrates during microgravity?
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A
Blood moves toward the head
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B
Blood moves toward the feet
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C
Blood stops circulating
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D
Blood becomes too thick
14
Which moon of Jupiter is considered a primary target for astrobiologists searching for life due to its subsurface liquid water ocean?
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A
Io
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B
Callisto
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C
Europa
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D
Ganymede
15
What biological process is severely disrupted in plants and animals when they are removed from Earth's 24-hour light-dark cycle?
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A
Circadian rhythm
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B
Photosynthesis
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C
Thermal regulation
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D
Digestion
16
How do spiders, such as those sent to the ISS, adapt their web-spinning behavior in microgravity?
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A
They stop spinning
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B
They spin thicker webs
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C
They spin webs without gravity-dependent orientation
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D
They only spin at night
17
Which gas, often monitored in space stations as a byproduct of animal respiration, must be strictly controlled?
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A
Carbon dioxide
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B
Nitrogen
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C
Helium
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D
Argon
18
The 'Panspermia' hypothesis suggests that the building blocks of life or life itself arrived on Earth via:
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A
Volcanic eruptions
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B
Meteorites or comets
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C
Solar wind
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D
Lightning strikes
19
Which specialized type of bacteria has been studied for its ability to thrive in the harsh, high-radiation environment of the International Space Station?
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A
Deinococcus radiodurans
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B
E. coli
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C
Lactobacillus
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D
Streptococcus
20
What is the main challenge for maintaining an 'aquatic' animal population in a spacecraft?
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A
The water does not behave like a liquid
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B
Surface tension issues with air bubbles
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C
Lack of oxygen
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D
Too much light
21
What is the effect of spaceflight on the muscle mass of terrestrial animals?
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A
Atrophy
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B
Hypertrophy
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C
No change
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D
Rapid growth
22
Which celestial body's magnetic field is critical for protecting the biological organisms on Earth from solar radiation?
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A
The Moon
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B
The Sun
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C
Earth
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D
Mars
23
How are biological samples typically preserved for return to Earth from the International Space Station?
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A
Freezing or chemical fixation
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B
Sun drying
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C
Vacuum sealing
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D
Heating
24
What is the term for the biological study of how life might evolve on planets with different gravity than Earth?
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A
Gravity biology
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B
Gravitational adaptation
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C
Exophysiology
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D
Astro-evolution
25
Which common laboratory animal was sent to space to study the effects of cosmic radiation on reproductive cycles?
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A
Fruit fly
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B
Guinea pig
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C
Frog
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D
Crayfish
