CConquer UPSCSign in
All PYQsPractise free. Progress is kept on this device.
Subject

Theme

Green and Sustainable Economy

11 PYQs · Asked in 9 of 16 years · Free practice

Microthemes in this theme· 7

Selected microtheme

Biofuels, Ethanol and Sustainable Fuels

3 PYQs · Asked in 3 of 16 years

PYQs on Biofuels, Ethanol and Sustainable Fuels

3 PYQs from 2011–2026
Reset
Checking your session…

Showing 3 questions.

Prelims 2025

1 question
EconomyGreen and Sustainable EconomyBiofuels, Ethanol and Sustainable FuelsHard
Question details
Type:
Statement relationship
Skill:
Careful distinction
Related topics:
Energy Infrastructure and Markets
2025 · Q63

Prelims 2025, question 63: Biofuels, Ethanol and Sustainable Fuels

Consider the following statements: Statement I: Of the two major ethanol producers in the world, i.e., Brazil and the United States of America, the former produces more ethanol than the latter. Statement II: Unlike in the United States of America where corn is the principal feedstock for ethanol production, sugarcane is the principal feedstock for ethanol production in Brazil. Which of the statements given above are correct?

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗

Prelims 2024

1 question
EconomyGreen and Sustainable EconomyBiofuels, Ethanol and Sustainable FuelsMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Fact recall
Tags:
Sustainable Aviation Fuel · Biomass feedstocks · Waste-derived fuels
Related topics:
Biofuels, Synthetic Fuels and Waste-to-Energy

Classification and difficulty are editorial labels. Explanations are awaiting review.

2024 · Q46

Prelims 2024, question 46: Biofuels, Ethanol and Sustainable Fuels

Consider the following materials: 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstock for producing Sustainable Aviation Fuel ?

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗

Prelims 2020

1 question
EconomyGreen and Sustainable EconomyBiofuels, Ethanol and Sustainable FuelsMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Fact recall
Tags:
biofuel feedstocks · Biofuels, Ethanol and Sustainable Fuels
Related topics:
Biofuels, Synthetic Fuels and Waste-to-Energy

Classification and difficulty are editorial labels. Explanations are awaiting review.

2020 · Q84

Prelims 2020, question 84: Biofuels, Ethanol and Sustainable Fuels

According to India's National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels? 1. Cassava 2. Damaged wheat grains 3. Groundnut seeds 4. Horse gram 5. Rotten potatoes 6. Sugar beet Select the correct answer using the code given below:

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗