The correct answer is: All of the above.
Pottery, ornaments, and beads were all common grave goods in prehistoric Bihar. Pottery was often used to store food and water, and it could also be used as a form of decoration. Ornaments, such as necklaces and bracelets, were made from a variety of materials, including stone, bone, and metal. Beads were also made from a variety of materials, including stone, glass, and shell.
The presence of these objects in graves suggests that they were important to the people who buried their dead. They may have been seen as symbols of wealth or status, or they may have been believed to have magical properties that would help the deceased in the afterlife.
Pottery is a type of ceramic that is made from clay and then fired in a kiln. It is one of the oldest human-made materials, and it has been used for a variety of purposes, including cooking, storage, and decoration. Pottery can be made in a variety of shapes and sizes, and it can be decorated with a variety of techniques.
Ornaments are objects that are worn on the body for decoration or adornment. They can be made from a variety of materials, including metal, stone, bone, and shell. Ornaments can be worn on the head, neck, arms, legs, and other parts of the body.
Beads are small, round objects that are often made from stone, glass, or shell. They can be strung together to form necklaces, bracelets, and other ornaments. Beads can also be used as a form of currency or as a symbol of status.