Biofuels
Biofuels is a Current Affairs concept from the MPSC syllabus, tested in 4 past MPSC questions (2015, 2020). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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Real questions that test this
भारताची इथेनॉलवर धावणाऱ्या पहिल्या बसची सुरुवात ______ येथे झाली. India's first Ethanol-run Bus has been launched in ______
India's first ethanol-run bus was launched in Nagpur, Maharashtra, as a green initiative to promote alternative and eco-friendly fuels in public transport.
पुढील कोणते विधान योग्य आहे ? Which of the following statement(s) is/are correct ?
(a)अ. कार्बन स्थिरीकरण तुलनेने ताजी बाब आहे. / a. Carbon fixation is a comparatively recent phenomenon.
(b)ब. प्रत्येक औष्णिक, रासायनिक व जैवरासायनिक रूपांतर स्थायू, द्रव व वायूरूपी इंधन तयार करते. / b. Each of the thermal, chemical and biochemical conversions results in solid, liquid and gas form of fuel.
Statement b is correct because thermal, chemical, and biochemical conversions of biomass or carbon sources can yield solid, liquid, or gaseous fuels.
खालीलपैकी कोणते इंधन मोटारीत वापरल्यामुळे फोर्ड आणि डिझेल यांचे स्वप्न हवेत विरून गेले? / Use of which of the following source of energy in motor cars shattered dream of Ford and Diesel?
Henry Ford and Rudolf Diesel initially experimented with or envisioned engines running on bio-fuels like ethanol or peanut/vegetable oil, but the widespread availability and cheap supply of petroleum eventually dominated the market.
पुढीलपैकी कोणते विधान योग्य आहे ? Which of the following statement(s) is/are correct ?
(a)अ. पूर्वी जैविक इंधन तयार होत नव्हते. / a. Biofuels were not produced before.
(b)ब. जैविक इंधन अजैविक बाबींपासून मिळू शकत नाही. / b. Biofuels are not obtained from non-living things.
Both statements are correct: biofuels conceptually weren't produced in ancient industrial terms, and biofuels (organic matter based) are derived from living or once-living biological things, not purely non-living abiotic things.