Corn

Maize also known as corn , is a cereal grain , Maize has become a staple food in many parts of the world, with the total production of maize surpassing that of wheat or rice. In addition to being consumed directly by humans , maize is also used for corn ethanol, animal feed and other maize products, such as corn starch and corn syrup.The six major types of maize are dent corn, flint corn, pod corn, popcorn, flour corn, and sweet corn.

Sugar-rich varieties called sweet corn are usually grown for human consumption as kernels, while field corn varieties are used for animal feed, various corn-based human food uses and as feedstocks for the chemical industry. Maize is also used in making ethanol and other biofuels.