The correct answer is D. Patna.
Patna is the capital of Bihar and the most populous city in the state. It is a major center of education, culture, and commerce. The city has a long history and is home to many historical monuments.
However, Patna does not have any poultry breeding farms. This is because the city is located in a densely populated area and there is a lack of space for such farms. Additionally, the climate in Patna is not ideal for poultry farming.
The other options are incorrect because they are all districts of Bihar that have poultry breeding farms.
A. Purnea is a district in the northeastern part of Bihar. It is the largest district in the state in terms of area. The district is home to a number of poultry breeding farms.
B. Kishanganj is a district in the southeastern part of Bihar. It is the second largest district in the state in terms of area. The district is home to a number of poultry breeding farms.
C. Samastipur is a district in the northern part of Bihar. It is the third largest district in the state in terms of area. The district is home to a number of poultry breeding farms.