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Gram +ve/-ve Bacteria

Chemoautotrop...

Question

Chemoautotrophs derive their energy from

A

Sun

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B

Inorganic chemicals

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C

Dead organisms

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D

Living organisms

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Solution

The correct option is B Inorganic chemicals
Chemosynthetic bacteria or chemoautotrophs do not need sunlight to grow because they prepare their food without the help of light. They use inorganic chemicals as a source of energy and convert into organic substances. They obtain energy from oxidation of organic substances.
Thus, the correct answer is 'Inorganic chemicals.'

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