The most common breed of sheep found in Odisha is:

Deccani
Nellore
Kendrapara
Ganjam

The correct answer is: a) Deccani.

The Deccani sheep is a breed of sheep found in the Deccan Plateau of India. It is a medium-sized breed with a long, coarse fleece. The Deccani sheep is a hardy breed that is well-adapted to the hot, dry climate of the Deccan Plateau. It is a good milk producer and its meat is considered to be of good quality.

The Nellore sheep is a breed of sheep found in the state of Andhra Pradesh in India. It is a large breed with a fine fleece. The Nellore sheep is a good milk producer and its meat is considered to be of good quality.

The Kendrapara sheep is a breed of sheep found in the district of Kendrapara in the state of Odisha in India. It is a medium-sized breed with a medium-fine fleece. The Kendrapara sheep is a good milk producer and its meat is considered to be of good quality.

The Ganjam sheep is a breed of sheep found in the district of Ganjam in the state of Odisha in India. It is a small-sized breed with a fine fleece. The Ganjam sheep is a good milk producer and its meat is considered to be of good quality.