Fruit plays a key part in keeping every person fit and healthy. Fruit is one of the most important things to eat daily and is part of a well-balanced and A grain is a small, hard, dry seed, with or without an attached hull or fruit layer, harvested for human or animal consumption. A grain crop is a grain-producing plant. The two main types of commercial grain crops are cereals and legumes. After being harvested, dry grains are more durable than other staple foods.