Question
Three crops that contribute maximum to global food grain production are
wheat, rice and maize
wheat, maize and sorghum
rice, maize and sorghum
wheat, rice and barley
Solution
A.
wheat, rice and maize
Wheat, rice and maize belongs to family Poaceae or Graminae. The main fruit type of these crops is caryopsis in which fruit wall is fused with seed coat. These crops are cultivated in all over the world and are contributed maximum to global food grain production.
