Biofuel Production from Corn

What is the primary renewable fuel source discussed in the video?

• Yellow dent corn

• Wind turbines

• Solar panels

• Hydroelectric power

What process do plants use to convert solar energy into carbohydrates?

• Photosynthesis

• Fermentation

• Distillation

• Respiration

What percentage of a corn kernel is starch?

• 4%

• 15%

• 62%

• 20%

Why is corn considered a prime feedstock for biofuels?

• It is high in protein

• It is abundant and renewable

• It contains a lot of oil

• It grows in all climates

Which of the following is NOT a potential feedstock for biofuels?

• Plastic

• Milo

• Sorghum

• Sugar cane

What is the purpose of the hammer mill in the ethanol production process?

• To ferment the corn

• To distill the ethanol

• To convert corn into flour

• To separate corn from foreign materials

What role do enzymes play in the ethanol production process?

• They provide heat

• They add flavor

• They cool the mixture

• They act as catalysts

What is the main nutrient added to support yeast during fermentation?

• Protein

• Urea

• Glucose

• Starch

At what temperature range does fermentation occur?

• 70-75°F

• 100-105°F

• 80-85°F

• 90-93°F

What is the boiling point of ethanol?

• 173°F

• 212°F

• 150°F

• 100°F