alleryHydrogen, regarded as the fuel of the future, is released when bacteria carry out photoreduction during which process?
AAnaerobic decay of garbage
BBio-photolysis of water
CFermentation of molasses
DCoagulation of milk protein
Answer & Solution
Correct answer: B. Bio-photolysis of water
1. Hydrogen gas is called the fuel of the future.
2. It is released during bio-photolysis of water, where bacteria do the photoreduction.
3. Anaerobic decay of garbage gives methane, so that is ruled out.
4. Fermentation of molasses gives ethanol, and coagulation relates to dairy, not fuel.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.91_
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