1. It is commonly believed that complex molecules are A. easily formed through o
ID: 236070 • Letter: 1
Question
1. It is commonly believed that complex molecules are
A. easily formed through out most of space.
B. formed only in the immediate vicinity of Earth.
C. cannot be formed at all without the help of man.
D. were only made in the earliest moments of the Big Bang explosion.
2. An electrical spark is probably necessary to convert water, ammonia, and simple hydrocarbons into
A. new main sequence stars
B. atmospheric gases on terrestrial planets
C. amino acids
D. Groups of individual stable atoms
3. It is felt that the development of life in many different locations through out the universe is
A. almost impossible.
B. an absolute certainty.
C. only slightly feasible from current observations.
D. highly possible, but we have no idea of how common it may be yet.
4. In our solar system, other than on Earth, the most likely place for us to find simple life forms may be
A. on the far side of our own Moon.
B. on Mars near its polar ice caps.
C. on the moons of Jupiter of Neptune.
D. in the core of the Sun.
5. For life to form on a planet we currently believe that such a planet must be
A. very recently formed.
B. much further from its primary star than Earth is from our Sun.
C. in a solar system that has been stable for millions of years.
D. completely devoid of and external atmosphere.
6. Long molecular chains that make up basic life on Earth are called
A. water based formations B. hydrocarbons
C. atomic nuclei D. primordial soup
7. What guides the combination of amino acids into proteins and maintains genetic integrity?
A. hydrocarbon molecules B, pure water
C. DNA chains D. enzymes
8. Oceans containing a rich mixture of organic compounds where life probably began on Earth are known as
A. sugars B. protein sources C. primordial soup D. mutations
9. About how long would people on Earth have to wait for an answer to a message sent to life forms if they existed in the galaxy of Andromeda?
A. only a few seconds B. over 4 million years
C. 10 to 12 hours D. 8.5 years
10. Which program is at work at Arecibo radio telescope, listening every day for extraterrestrial signals showing life in other parts of space?
A. SETI B. NASA C. SERENDIP D. Drake's communication group
Explanation / Answer
1.D
2.B
3.C
4.B
5.C
6.B
7.C
8.C
9.B
10.A
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