Do all meals contain the same food items?

Hint: Meal is a collective term for many food items for a particular occasion whereas food item means a food that one eats. It’s more of a general term.

Complete answer:
No. a meal does not contain the same food items. A meal contains food items eaten on an occasion. Occasion, here, means lunch, dinner, breakfast.

Additional information: We must eat different food items as each food has different nutritional value. The different nutrients of food are:
Carbohydrates- They are the energy giving foods. Most of the carbohydrates are digested in our body and converted to glucose. Glucose is the primary source of energy for the cell.
Example of carbohydrates- Sugar, rice, Wheat, etc. all cereals are a rich source of carbohydrates.
Fats- They act as a source of stored energy. They are energy-giving foods. They serve as back up in absence of carbohydrates.
Example of fats- Butter, oil, ghee and most other dairy products.
Proteins- They are the body-building foods. Most of the structures of our body are made of protein. Hair and nails contain keratin which is a protein. Enzymes, the biocatalysts of our body are proteins. Muscles are made up of proteins. Most pulses are rich sources of protein.
Example of protein- Dal, chick pea, legumes like moong, pea, etc.
Vitamins and minerals- Although they do not form the part of essential nutrients, yet they play an important role in many of our body functions. They assist in many biochemical reactions of our body. Different vitamins are Vitamin A, B complex, C, D, E and K.
Different minerals like calcium, iron, phosphorus, sodium, potassium play vital roles in carrying out different body functions. The nerves are able to function smoothly due to the presence of sodium and potassium ions.
Example of food sources for vitamins and minerals- Fruits and vegetables.
Therefore it is essential that we eat different food items to get maximum nutrition.

Note:A diet which contains all the nutrients in sufficient quantity is called a balanced diet. Balanced diet is a key to healthy life.