Concept:

• Cooking is all about preparing food.
• In this, raw materials are converted into ready-made food products for human use. 
• Cooking has many steps, it starts with basic things like cleaning, cutting, preparing, adding ingredients in correct proportions, presenting, etc.

Explanation:​

Cutting the vegetables and then washing these in running water:

• Running water refers to flowing water in rivers and streams.
• These waters may be dirty and contain many harmful substances.
• Washing chopped vegetables in running water may contaminate the vegetables.
• Vegetables should always be cut after washing them in clean water.

Keeping the vegetables in the sunshine for some time before cutting and cooking:

• Keeping vegetables in the sunshine has no proven benefit.
• The dirt, bacteria and other harmful substances are still on the surface of the vegetable.
• Keeping vegetables in the sunshine for a long may result in loss of freshness of the vegetable and they may shrivel.

Cooking the vegetables by deep-frying to kill bacteria:

• Deep frying food is an unhealthy alternative to cooking food.
• Frying vegetables leads to the addition of unhealthy fats that may lead to various diseases.
• The healthiest method of cooking food is by steaming them.
• Steaming food keeps most of the nutrient intact in the vegetable.

Washing the vegetables nicely and then cutting:

• Vegetables must be washed before cutting.
• This removes any dirt which is sticking to the vegetable.
• It removes any bacteria or unwanted and harmful substance that is on the vegetable.

​Thus, washing the vegetables nicely and then cutting them is a good cooking practice.