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UPSC Prelims 2023 Paper-1 📅 28 May, 2023

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?

A
Only one
B
Only two
C
All three
D
None
Result Summary
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UPSC Prelims
2023 • 28 May, 2023 • Paper-1
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?
Correct Answer
All three
Subject: Science & Tech.Context: Extremophiles.Details: Extremophile microorganisms are highly resilient. Hyperthermophiles thrive in hydrothermal vents above 1......
Ref/Book : UPSC Prelims 2023
Ref. Subject Science & Tech
Chapter -
Ref. Topic Microbiology
Pg. No -
💡 Analysis & Explanation
Subject ▼
Science & Tech.
Context ▼
Extremophiles.
Details ▼
Extremophile microorganisms are highly resilient. Hyperthermophiles thrive in hydrothermal vents above 100°C. Psychrophiles survive well below freezing point. Acidophiles flourish in highly acidic environments (pH below 3). Thus, all three statements are correct.
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