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Question

The following six sentences come from a paragraph. The first and the last sentences are given. Choose the order in which the four sentences (PQRS) should appear to complete the paragraph.

S1: In 1668 an important discovery was made.
S6: That was the beginning of the end of the theory of spontaneous generation of higher plants and animals.
P: He put some rotting meat and fish in open jars and watched them.
Q: When he covered the jars with muslin, he found that flies came and laid their eggs on the muslin, but no maggots developed on the meat.
R: In time, he noticed that flies came and laid their eggs in the meat and the maggots hatched from the eggs.
S: An Italian physician named Redi decided to test the idea that worms were generated spontaneously in rotting meat.

The proper sequence should be:

A
PQSR
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B
SPRQ
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C
SRPQ
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D
RPQS
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Solution

The correct option is A SPRQ
The first statement in the sequence should be the one that best connects with S1. It must be a continuation or extension of S1.
S is first in the sequence: S1 says that in 1668 an important discovery was made. S starts to tell us what this discovery was. It says that an Italian physician named Redi decided to test the idea that worms were generated spontaneously in rotting meat.
S is followed by P: P further explains S' point. It says that Redi tested his theory by putting some rotten meat and fish in open jars and watching them.
P is followed by R: R continues by saying that in time he noticed that flies came and laid their eggs in the meat and the maggots hatched from the eggs.
R is followed by Q: Q tells us what happened next. It says that after observing the above phenomenon, he covered the jars with muslin. At that time he noticed that flied laid their eggs on muslin but maggots did not form in the meat. S6 goes on to say that this was the beginning of the end of the theory of spontaneous generation of higher plants and animals.
Thus, the correct sequence is S P R Q. Hence, B is the correct option.

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