All life on earth derive its energy directly or indirectly from sun except

All life on earth derive its energy directly or indirectly from sun except

Options

(a) Mushroom and mould
(b) Chemosynthetic bacteria
(c) Symbiotic bacteria
(d) Pathogenic bacteria

Correct Answer:

Chemosynthetic bacteria

Explanation:

Chemosynthetic bacteria are able to manufacture all their organic food inorganic raw material in the absence of light. 6CO₂ + 24H –Enzymes/Energy—-> C₆H₁₂O₆ + 6H₂O

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