Hint: Food serves to provide nutrition and energy to the organism and several types of crops are cultivated as food crops. The staple food is the food that is consumed on a regular basis and is the main type of food. This type of food can be stored for several days and can be taken as food throughout the whole year. They provide a large amount of energy-rich nutrients.
Complete step by step answer: Food crops, such as grains, vegetables, and various fruits, are consumed as the food materials by the human population. The climate, soil, trade, and culture are some geographic factors that emphases the popularity of a food crop in a definite zone. Various food grains, such as rice and wheat are the world’s most popular food crops.
A staple food or food staple is a type of food that can be eaten daily. This food is taken in such a quantity that it can build a prime part of a standard diet for a given people. The staple food is known for supplying a large fraction of energy and it also forms a significant proportion of the intake of other nutrients as well. In a specific society, staple food may be consumed as often as every day or every meal. Most people include just a small number of food staples in their daily diet. Specific staples may vary at different geographical locations and climates but are accessible and easily available foods.
The staple food acts as the source of one or more of the macronutrients like carbohydrates, proteins, fats, minerals, and vitamins which are essential for survival and health. Examples of staple food include tubers and roots, grains, legumes, and seeds. Among them, cereals, legumes, tubers, and roots hold about 90% of the world's food calories intake.
Ragi, Bajra are the variety of millet seeds and are highly nutritious but are not the staple food of the world due to its localised production. Tea, and coffee are not considered as the staple food as they are used as beverages. Though millets and maize are examples of staple food, they are not available worldwide. Rice and wheat are the two most important staple food crops in the world.
Rice is mostly eaten by cooking the grains but are also converted into flour and used to make a variety of different other foods. Wheat is taken as food by converting the grains into flour and then mixing with water to release the gluten to make dough. It is then used for the preparation of several dishes.
Therefore, the correct option is option C.
Note: Foods are the main source of the energy. There are different types of food crops present. The staple food is that food which can be taken daily. Food staples can be introduced as a standard diet to a man as it contains one or more micronutrients like carbohydrates in a large quantity, and also contains proteins, fats, and vitamins. Rice and wheat are the two most common and important examples of staple food crops in the world.
