Question
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Answer (Detailed Solution Below)
Option 1 : PQRS
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Detailed Solution
सही उत्तर PQRS है।
Key Points
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prepsnap.in • Part -AQuestion:
The sentences P, Q, R and S, when arranged in a logical sequence, form a coherent paragraph. Choose the correct order. P: In 1928, Alexander Fleming returned from a holiday to find that a mould had contaminated one of his petri dishes. Q: Around the mould, the Staphylococcus bacteria had been destroyed, while those farther away remained intact. R: He realised that the mould was producing a substance that killed bacteria. S: This chance observation led to the discovery of penicillin, the world's first widely used antibiotic.
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PQRS
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PRQS
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QPRS
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RQPS
Correct Answer: PQRS
P introduces the event, Q describes the observation, R gives Fleming's inference, and S states the consequence — the only logical chronological order is PQRS.
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