Rearrange the following sentences in correct order to make a logical passage.
1. This led to significant breakthroughs in medicine.
2. The discovery of penicillin marked a new era.
3. It revolutionized the treatment of bacterial infections.
4. Many previously fatal diseases became curable.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 2-3-4-1.
Logical Breakdown
-
Sentence 2 (The discovery of penicillin marked a new era): This is the introductory sentence. It introduces the main subject (penicillin) and sets the stage for the rest of the passage.
-
Sentence 3 (It revolutionized the treatment of bacterial infections): The pronoun 'It' refers back to the 'discovery of penicillin.' This sentence explains the immediate impact of that discovery on a specific type of medical issue (bacterial infections).
-
Sentence 4 (Many previously fatal diseases became curable): This is the result of the revolution mentioned in sentence 3. Because the treatment was revolutionized, diseases that used to kill people could now be cured.
-
Sentence 1 (This led to significant breakthroughs in medicine): The phrase 'This led to' acts as a concluding summary. It looks back at the entire process described and highlights the broader impact on the field of medicine.