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?
Only one
Only two
All three
None
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC IAS – 2023
2. **Some microorganisms can grow in environments with temperature below the freezing point of water:** This is correct. Psychrophiles are extremophilic microorganisms that are capable of growth and reproduction in cold temperatures, typically between -15°C and 10°C. They are found in environments like polar ice, glaciers, permafrost, and the deep sea.
3. **Some microorganisms can grow in highly acidic environment with a pH below 3:** This is correct. Acidophiles are extremophilic microorganisms that thrive in highly acidic environments, with optimum pH levels typically between 0 and 3. Examples include species found in acid mine drainage or volcanic sulfur springs.