Karnataka is known for exporting this type of silk:

Mulberry silk
Tussar silk
Eri silk
Muga silk

The correct answer is: B) Tussar silk

Tussar silk is a type of natural silk produced by the larvae of the Antheraea assamensis moth. It is known for its golden brown color and its luster. Tussar silk is produced in India, China, and Thailand.

Mulberry silk is a type of natural silk produced by the larvae of the Bombyx mori moth. It is the most common type of silk produced in the world. Mulberry silk is known for its white color and its strength.

Eri silk is a type of natural silk produced by the larvae of the Philosamia ricini moth. It is known for its golden yellow color and its softness. Eri silk is produced in India, China, and Japan.

Muga silk is a type of natural silk produced by the larvae of the Antheraea assamensis moth. It is known for its golden brown color and its luster. Muga silk is produced in India.

Karnataka is known for exporting tussar silk. Tussar silk is produced in the state of Karnataka, India. It is a type of natural silk produced by the larvae of the Antheraea assamensis moth. Tussar silk is known for its golden brown color and its luster. It is a strong and durable silk that is used to make a variety of products, including sarees, scarves, and shawls.