The correct answer is: B. Lahaul and Spiti
The mountainous soil zone of Himachal Pradesh is located in the northern part of the state. It is a high-altitude region with a cold climate. The soil in this region is mostly composed of sand, gravel, and rocks. The main crops grown in this region are barley, wheat, and peas.
The districts of Lahaul and Spiti are located in the mountainous soil zone of Himachal Pradesh. These districts are characterized by their high altitude, cold climate, and mountainous terrain. The main occupation of the people in these districts is agriculture. The main crops grown in these districts are barley, wheat, and peas.
The other options are incorrect because they do not fall in the mountainous soil zone of Himachal Pradesh.
- Option A: Kangra and Kullu are located in the sub-tropical soil zone of Himachal Pradesh.
- Option C: Una and Bilaspur are located in the sub-tropical soil zone of Himachal Pradesh.
- Option D: Sirmaur and Chamba are located in the sub-tropical soil zone of Himachal Pradesh.