Introduction:
In this question, we are given a set of three items: potato, carrot, and radish. We are asked to choose the correct option from a list that includes tomato, spinach, sesame, and groundnut. We need to analyze the given set of items and select the option that belongs to the same category as the given items.

Analysis:
To determine the correct option, let's analyze the given set of items: potato, carrot, and radish.

Potato:
- It is a starchy tuber vegetable.
- It belongs to the Solanaceae family.
- It is commonly consumed in various forms like boiled, fried, or mashed.

Carrot:
- It is a root vegetable.
- It belongs to the Apiaceae family.
- It is known for its orange color and is a good source of vitamins.

Radish:
- It is a root vegetable.
- It belongs to the Brassicaceae family.
- It comes in various colors and has a crisp texture.

From the analysis, we can conclude that all three items - potato, carrot, and radish - belong to the category of root vegetables.

Options:
Now let's analyze the given options: tomato, spinach, sesame, and groundnut.

Tomato:
- It is a fruit, not a vegetable.
- It belongs to the Solanaceae family, just like the potato.
- It is commonly used in cooking and salads.

Spinach:
- It is a leafy green vegetable.
- It belongs to the Amaranthaceae family.
- It is known for its high nutritional value and is often used in salads, soups, and various dishes.

Sesame:
- It is a flowering plant.
- It belongs to the Pedaliaceae family.
- It is cultivated for its edible seeds, which are commonly used in cooking and baking.

Groundnut:
- It is a legume.
- It belongs to the Fabaceae family.
- It is also known as peanut and is commonly consumed as a snack or used in cooking.

From the analysis, we can see that groundnut is the only option that belongs to the same category as the given items - potato, carrot, and radish. Groundnut is also a root vegetable, making it the correct option in this scenario.

Conclusion:
Based on the analysis, the correct option from the given list is Groundnut (option D). It belongs to the same category as the given items - potato, carrot, and radish - as it is also a root vegetable.

Option d is the answer because Groundnut is the correct one out