Attempt this previous-year question. The correct option stays hidden until you choose.
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?
Pick an option to check yourself.
• Correct Answer: C
• Hyperthermophiles grow above 100°C (e.g., Strain 121 at 121°C); psychrophiles grow below −15°C in permafrost.
• Acidophiles thrive at pH below 3 (e.g., Ferroplasma at pH 0–2.9).
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.
GyanGram