The district in Karnataka known for its sheep rearing:

Chitradurga
Mysuru
Kolar
Kodagu

The correct answer is: D) Kodagu

Kodagu is a district in Karnataka, India, known for its sheep rearing. The district is home to a large population of sheep, which are reared for their wool and meat. Sheep rearing is a major source of income for many people in Kodagu.

The other options are incorrect because:

  • Chitradurga is a district in Karnataka, India, known for its historical monuments.
  • Mysuru is a city in Karnataka, India, known for its palaces and temples.
  • Kolar is a district in Karnataka, India, known for its gold mines.