UPSC CSE Prelims 2010
Correct Option (b):
Maize is a carbohydrate-rich crop widely utilized as a primary feedstock for ethanol production globally. Ethanol is produced from the fermentation of starch present in maize kernels. In India, maize contributes to bioethanol blending in fuels, supporting national energy policies aimed at reducing reliance on fossil fuels.
Incorrect Options: