The Monpa tribe of Arunachal Pradesh is known for their:

Woodcarving and mask-making
Bronze sculptures
Pottery
Bamboo weaving

The correct answer is: a) Woodcarving and mask-making.

The Monpa tribe of Arunachal Pradesh is known for their woodcarving and mask-making. They are skilled in making masks out of wood, which are used in their religious ceremonies. The masks are often decorated with intricate designs and patterns. The Monpa people also make a variety of other wooden objects, such as furniture, utensils, and musical instruments.

The other options are incorrect because:

  • The Monpa tribe is not known for their bronze sculptures.
  • The Monpa tribe is not known for their pottery.
  • The Monpa tribe is not known for their bamboo weaving.