BPSC PYQ 1 (2021) — Geography
The total geographical area of Bihar State is
- 94163 sq. km
- 94526 sq. km
- 94200 sq. km
- 94316 sq. km
Answer: B. 94526 sq. km
Get the weekly digest
Top current affairs + exam tips, every Monday morning.
📝 AI-generated analysis for exam preparation. This is original educational content curated for competitive exam aspirants.
India has achieved 20% ethanol blending (E20) in petrol, five years ahead of the original schedule set under the National Policy on Biofuels. This milestone marks a significant step towards energy security and climate goals. The government is now preparing for higher blends such as E85 (85% ethanol) and E100 (100% ethanol). The article also discusses implications for consumers, including fuel cost, vehicle mileage, and compatibility of cars with higher ethanol blends.
India's ethanol blending programme began in 2003 with a target of 5% blending. It was gradually increased to 10% under the Ethanol Blended Petrol (EBP) programme. The National Policy on Biofuels (2018) set an indicative target of 20% ethanol blending in petrol by 2030, later advanced to 2025 by the government. The successful achievement of E20 ahead of schedule is credited to policy support, increased ethanol production capacity, and coordination between central and state governments. The programme initially relied on sugarcane molasses as feedstock, but has expanded to include food grains like rice and maize during surplus periods. India is now exploring higher blends (E85 and E100) which require flex-fuel vehicle technology. This evolution reflects the country's commitment to reducing crude oil import dependence, supporting farmers, and cutting vehicular emissions.
Political & Constitutional Dimensions: The government has framed the ethanol blending push as part of its Aatmanirbhar Bharat (self-reliant India) initiative, aimed at reducing energy import dependency. This aligns with Directive Principles under Article 48A (protection of environment) and Article 51A(g) (fundamental duty to protect environment). The policy has received bipartisan support in principle, but opposition parties have raised concerns about the diversion of food crops for fuel production, especially during times of food inflation. The programme involves coordination among multiple ministries—Petroleum, Agriculture, and Environment—making it an important test of inter-ministerial governance.
Economic & Financial Impact: The achievement reduces India's crude oil import bill significantly, saving billions of dollars annually. It provides a stable, remunerative market for sugarcane farmers, supporting the sugar industry and reducing arrears. However, critics argue that the subsidy for ethanol production distorts market incentives and may lead to over-cultivation of water-intensive sugarcane in water-scarce regions. The higher cost of ethanol production compared to petrol also requires continued fiscal support. The impact on consumers is nuanced: while fuel prices may remain stable, slight reduction in mileage could increase overall fuel costs for some users.
Social Dimensions: Farmers benefit from an alternative source of income, especially sugar cane growers who get better prices for ethanol-grade molasses. However, there are concerns about food price volatility if grains are diverted for ethanol production. The shift to E20 may impose costs on consumers in terms of slightly lower mileage and potential vehicle modifications. There is also a risk that benefits accrue disproportionately to large sugar mills rather than small farmers. The move to higher blends (E85/E100) could further entrench the water-intensive sugarcane economy, raising equity issues between water-rich and water-scarce regions.
Governance & Administrative Aspects: Implementation requires strengthening blending infrastructure at petrol pumps, ensuring reliable supply chains, and enforcing quality standards. The government has set up a National Biofuel Coordination Committee, but state-level participation varies widely. Some states like Uttar Pradesh and Maharashtra have been proactive in ethanol production, while others lag. The shift to higher blends will require significant investment in vehicle technology and refueling infrastructure. There is also a need for consumer awareness campaigns about vehicle compatibility and maintenance. Regulatory gaps in the second-generation ethanol sector remain a challenge.
International Perspective: India's achievement aligns with its commitments under the Paris Agreement to reduce carbon intensity. The International Energy Agency (IEA) has recognized India's progress in biofuel blending. Brazil, which uses sugarcane-based ethanol extensively, has a large flex-fuel vehicle fleet and serves as a model. However, the global food-fuel trade-off remains a concern, especially in the context of rising food prices. India's approach of using both molasses and grains as feedstock offers flexibility but also faces scrutiny from environmental and food security perspectives. The move to higher blends could position India as a leader in sustainable biofuels, but must be balanced with other renewable energy strategies.
Short-term Measures: Ensure widespread availability of E20 fuel across all petrol pumps; issue clear guidelines on vehicle compatibility for older cars; launch consumer awareness campaigns on mileage impact and engine care; incentivize retrofitting of older vehicles where feasible.
Medium-term Reforms: Promote flex-fuel vehicles (FFVs) that can run on E85/E100 through tax breaks and manufacturing incentives; develop second-generation ethanol from agricultural waste (cellulosic ethanol) to reduce dependence on food crops; expand feedstock base to include crop residues and municipal waste; set up more ethanol production units in states with agro-processing potential.
Long-term Vision: Transition to electric vehicles and renewable energy sources, with ethanol as a bridge fuel; achieve a sustainable blend of biofuels, EVs, and hydrogen; implement the NITI Aayog’s roadmap for biofuels with phased targets; strengthen R&D in alternative feedstocks and engine technology; integrate ethanol policy with national climate action plans and water conservation strategies.
Test yourself · no signup needed
Try 3 real BPSC PYQs, see the answer instantly, then unlock the full set free.
The total geographical area of Bihar State is
Answer: B. 94526 sq. km
When did Bihar State introduce the Green Budget for the first time?
Answer: A. Financial Year 2020-21
Which part of alimentary canal receives bile from the liver?
Answer: C. Small intestine
Free sample · Question 1 of 3
Geography · 2021The total geographical area of Bihar State is
This week's CA quiz · 20 questions
Cross-topic questions from recent current affairs
Maharashtra Approves ₹45-Crore AI Bird Monitoring Centre at Thane Creek Flamingo Sanctuary
28 JulAssam Floods 2026: Death Toll Rises to 66 as Brahmaputra Displaces Lakhs
27 JulARI Pune Discovers Five New Western Ghats Lichen Species Using DNA Analysis
23 JulCatch the Rain 2026: Jal Sanchay Jan Bhagidari Drives Community Water Conservation
22 JulOPSC · Biodiversity — hotspots, conservation, endemic species
Free notesUPPSC · Biodiversity — hotspots, conservation, endemic species
Free notesMPPSC · MP — national parks (Kanha, Bandhavgarh, Panna, Satpura)
Free notesTNPSC · Biodiversity hotspots — Western Ghats, Eastern Ghats endemic species
Free notes