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UPSC Civil ServicesPrelims2023General Studies Paper I
Question
QQ18. Consider the following statements : 1. Some microorganisms can grow in environments with temperature above the boiling point of water. 2. Some microorganisms can grow in environments with temperature below the freezing point of water. 3. Some microorganisms can grow in highly acidic environment with a pH below 3. How many of the above statements are correct?
Options
- A Only one
- B Only two
- C All three
- D None
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Correct Answer
C All three
Model Answer
Answer: option C, as per UPSC's final answer key (Series A).