A) bajra
B) grapes
C) maize
D) sugarcane
Correct Answer: D
Solution :
Ethyl alcohol is commercially manufactured from sugarcane. Molasses is the by product of sugar industry. Ethanol is produced by the fermentation of molasses (contains glucose and fructose) by using yeast, Saccharomyces cerevisiae. \[\underset{\begin{smallmatrix} (Glucose\text{ }or \\ fructose) \end{smallmatrix}}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\xrightarrow[(Yeast\,cell)]{Zymase}\underset{(Ethyl\text{ }alcohol)}{\mathop{2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}}}\,\] Bajra and maize are not used for manufacturing alcohol. Grapes also used for formation of alcohol but not used commercially.
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