

Cosmic Origins of DNA and Life
Interactive Video
•
Biology, Science, Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the intriguing idea about human DNA discussed in the introduction?
It might be older than Earth.
It originated from the ocean.
It is younger than Earth.
It was created by ancient civilizations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evidence suggests that parts of DNA's molecular structure could be older than Earth?
Volcanic rocks with DNA traces.
DNA samples from ancient humans.
Meteorites containing amino acids.
Ancient fossils found on Earth.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the presence of ribose in space rocks suggest?
Ribose is not found in DNA.
RNA could have formed in space.
RNA is not essential for life.
Ribose is unique to Earth.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the discovery of amino acids in meteorites indicate?
Amino acids are not essential for life.
Meteorites are not related to life.
Life's ingredients might have come from space.
Amino acids are only found on Earth.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of finding organic molecules in interstellar clouds?
It suggests planets are formed from these clouds.
It indicates Earth is the only planet with life.
It shows these molecules can form naturally in space.
It proves life exists on other planets.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the theory of panspermia propose?
Life was created by ancient aliens.
Life is unique to Earth.
Life's building blocks spread via cosmic bodies.
Life originated from Earth's oceans.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the cosmic origin of DNA challenge our understanding of evolution?
It suggests life is unique to Earth.
It implies life might be a universal process.
It denies the existence of other life forms.
It confirms humans evolved from apes.
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