Multiple choice general knowledge

In the context of alternative sources of energy, ethanol as a viable bio-fuel can be obtained from:

  1. Potato

  2. Rice

  3. Sugarcane

  4. Wheat
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sugarcane is the most efficient source for ethanol production as it has high sugar content that can be directly fermented. Brazil successfully produces large-scale ethanol from sugarcane. Potato, rice, and wheat are starch-based and less efficient for biofuel conversion.

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