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Question

Consider the following statements:

1. Some microorganisms can grow in environmentsWith temperature above the boiling point of water.
2. Some microorganisms can grow in environmentsWith temperature below the freezing point of water.
3. Some microorganisms can grow in highly acidic environmentWith a pH below 3.

How many of the above statements are Correct?
(a) Only one
(b) Only two
(c) All three
(d) None

Answer:

C

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Explanation:

Certain microorganisms, known as thermophiles, have adapted to thrive in extreme heat. They are capable of growing and reproducing at temperatures that exceed the boiling point of water, such as in hot springs or deep-sea hydrothermal vents.

Similarly, some microorganisms, called psychrophiles, are adapted to cold environments. They can survive and grow in temperatures below the freezing point of water, such as in polar regions or icy habitats.

Acidophiles are microorganisms that can tolerate and thrive in highly acidic conditions. They can withstand environments with a pH below 3, such as acidic mine drainage or volcanic springs.

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