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MODEL PAPER 6 — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMODEL PAPER 62 Marks
Question
a. Cattle excreta is important source for producing a domestic fuel. Name the fuel and write its main components.
b. Write the biological process that is responsible for the production of this fuel.
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Answer

a. Cattle excreta is known for producing Biogas (Gobar Gas), which has main components such as Methane, CO2, H2, N2 and O. b.)
b. The biological process for fuel production involves microbial fermentation, where microorganisms convert organic materials like biomass or waste into biofuels like bioethanol or biodiesel.

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