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Astrobiology Quiz
Difficulty level 5
1. Life on earth is based on,
Carbon
Oxygen
Nitrogen
2. Genetic information in cells are stored and passed on to the next generation through,
DNA
Enzymes
Proteins
3. Who was the famous scientists to conduct an experiment to simulate the conditions of primitive earth and demonstrate that amino acids, fatty acids and urea could be formed in nature?
Charles Darwin
Stanley Miller
James Watson
4. What are 'stromatolites'?
Fossil structures made by bacteria
Type of meteorites that contain amino acids
Primitive bacteria still found in deep sea beds
5. Apart from the earth, what is the most likely place to find life in our solar system?
Venus
Mars
Asteroids
6. A planet orbiting a small star cannot habour intelligent life because,
The star has a short life span
Planets will have unstable orbits
The life zone is too close to the star
7. Planets around a binary star system is not suitable for development of intelligent life because the planets,
Lie outside the life zone
Have unstable orbits
Do not form around binary stars
8. What is the definition of a life zone around a star?
Temperature range in which water can exist in liquid form
Area which can form an earth-size planet
Area between the orbits of venus and mars
9. What is the equation used to estimate the number of intelligent civilizations in our galaxy?
SETI equation
Carl Sagan equation
Drake equation
10. What is the name of the argument which suggests that the universe is 'fine-tuned' to our existance?
Anthropic principle
Olber's paradox
Harvey's paradox
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