16 Questions
Which generation of biofuel involves the use of genetically engineered microorganisms?
4th Generation
What is the process used to produce biodiesel from vegetable oils or animal fats?
Transesterification
What is the approximate ratio of oil to methanol used in the production of biodiesel?
100:1
What is a disadvantage of using biodiesel compared to diesel fuel?
Shorter shelf life
Which type of biomass is considered as non-edible for the production of biofuels?
Non-Edible Biomass (Wood, Grass, Wastes)
What is a key advantage of using biofuels compared to fossil fuels?
Renewable nature
What is the major disadvantage of using biodiesel in vehicles?
Increase in foodstuffs prices
Which of the following is a common second-generation biofuel?
Bio-alcohols
What is the by-product of the biogas generation process?
Enriched organic digestate
Why could biogas be particularly useful in rural or poorer areas?
Due to the low cost of set-up and availability of waste materials
What is pollution control?
The control of emissions and effluents into air, water, or soil
Which of the following is a common cause of air pollution?
Combustion of fossil fuel
What are major pollutants produced by human activity?
Carbon monoxide and volatile organic compounds
What is the common source material for producing biogas?
Agricultural waste and manure
What is the primary type of pollution caused by the introduction of contaminants into the atmosphere?
Air pollution
What are second-generation biofuels produced from?
Non-food crops and waste biomass
Test your knowledge on biofuels, energy sources made from living things or their waste. Learn about the four generations of biofuels, from edible and non-edible biomass to genetically engineered microorganisms and biodiesel production.
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