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What habitat is not a home for bacteria?

(a) Arctic snow

(b) Soil

(c) Rocks

(d) Distilled water

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This intriguing question comes from Microbes in Metal Containing Habitat in division Microbial Transformation of Heavy Metals of Environmental Biotechnology

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Right answer is (d) Distilled water

For explanation: Distilled water is a purified form of water with no or negligible amount of bacteria and hence, that is not a home for bacteria, whereas, arctic snow, soil and rocks can be home for many bacteria. There are near about ten times bacteria found in every habitat than the native organism itself. So, distilled water is the correct option.

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