Introduction:
Vessels used for cooking can be made up of various materials depending on their properties and suitability for cooking. The correct answer to this question is option 'D', which states that vessels used for cooking can be made up of iron, steel, and aluminium. Let's discuss each of these materials in detail.

Iron:
Iron vessels have been used for cooking for centuries. They are known for their excellent heat retention and distribution properties. Iron vessels are heavy and durable, capable of withstanding high heat and direct flame. They are ideal for slow cooking and simmering as they distribute heat evenly. Additionally, cooking in iron vessels can also provide trace amounts of iron to the food, which can be beneficial for individuals with iron deficiency.

Steel:
Steel vessels are made from an alloy of iron and carbon. They are lightweight, durable, and resistant to corrosion. Steel vessels are highly versatile and can be used for various cooking methods such as boiling, frying, and sautéing. They heat up quickly and evenly, allowing for efficient cooking. Steel vessels are also easy to clean and maintain.

Aluminium:
Aluminium vessels are lightweight and excellent heat conductors. They heat up quickly and evenly, making them suitable for fast cooking methods such as boiling and frying. Aluminium vessels are also corrosion-resistant and do not react with acidic or alkaline foods. However, they may not retain heat as well as iron or steel vessels.

All of these:
The correct answer, option 'D', states that vessels used for cooking can be made up of iron, steel, and aluminium. This means that depending on the cooking requirements, individuals can choose vessels made from any of these materials. Each material has its own set of advantages and disadvantages, and the choice ultimately depends on personal preferences, cooking methods, and budget.

In conclusion, vessels used for cooking can be made up of iron, steel, and aluminium. These materials offer different properties and benefits, allowing individuals to choose the most suitable vessel for their cooking needs.

Vessels for cooking are made up of different metals. Most commonly used metals for making cooking utensils are Iron, steel and Aluminium.