One of the following crop is not cultivated by sowing its seeds directly into soil. This one is :

Options

A. wheat
B. gram (chana)
C. paddy
D. maize (makka)

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks which crop is not cultivated by sowing its seeds directly into the soil. This means we need to identify a crop that uses a different method for planting.

2. **Identifying Cultivation Methods**: There are two primary methods of planting crops:
- **Direct Sowing**: This involves planting seeds directly into the soil.
- **Transplantation**: This method involves growing seedlings in a nursery and then transferring them to the field.

3. **Analyzing the Crops**: The crops mentioned in the question are wheat, gram, maize, and paddy. We need to determine which of these crops is grown using transplantation.
- **Wheat, Gram, and Maize**: These crops are typically grown by direct sowing of seeds into the soil.
- **Paddy (Rice)**: This crop is generally grown using the transplantation method. Seeds are first sown in nurseries to grow seedlings, which are then transplanted into the fields.

4. **Conclusion**: Since paddy is the only crop among the options that is not cultivated by sowing its seeds directly into the soil but rather through transplantation, the correct answer is paddy.

5. **Final Answer**: The crop that is not cultivated by sowing its seeds directly into the soil is **Paddy**.