Quiz 1
Which sentence BEST summarizes how the discovery of glycine on comet 67P has affected the study of life on Earth?
(A) The discovery of glycine suggests that life was always present on Earth but is possible in other solar
systems,
(B)
The discovery of glycine suggests that the necessary elements for life arrived on Earth with a crashing
comet.
(C)
The discovery of glycine suggests that Earth is the only place with the right environment for life to
develop
The discovery of glycine suggests that life on Earth would have been impossible without a comet
crashing down.
(D)
0 0
2.
According to the article, each of the following contributes to the start of life EXCEPT:
(A)
icy gases
(B)
amino acids
(C)
oxygen and sugar
(D)
heat and water
3
Read the quote from the article.
"This is the first unambiguous detection of glycine at a comet," Kathrin Altwegg, lead author of a
paper on the molecules published Friday in Science Advances, said in a statement.
O
How does using the word "unambiguous" affect the tone of the sentence?
(A)
It suggests boredom,
(B)
It suggests enthusiasm.
(C)
It suggests doubt.
(D)
It suggests certainty.
Read the sentence from the article.
But according to new results from the European Space Agency's Rosetta orbiter, wh/ has been
circling the comet for nearly two years, the dirty snowball has some of the rare building blocks
considered essential to the evolution of living organisms.
What do the words "intact and pristine' suggest about the molecules?
(A) They have undergone many changes due to the environment.
(B) They have remained exactly as they were when they were created.
(C)
They have suffered many tests that have altered their structure,
(D)
They have become so delicate that removing them with ruin them.