The correct answer is: Palm leaf.
Palm leaf was the most common material used for writing and painting in Gujarati Jain manuscripts. It is a durable material that can be easily written on with a stylus. The leaves are also relatively thin, which makes them easy to fold and store.
Parchment is another material that was sometimes used for Gujarati Jain manuscripts. It is made from animal skin, which is tanned and stretched to create a smooth surface. Parchment is more durable than palm leaf, but it is also more expensive.
Paper was not commonly used for Gujarati Jain manuscripts until the 16th century. It is a less durable material than palm leaf or parchment, but it is also less expensive.
Cloth was sometimes used for Gujarati Jain manuscripts, but it is not as common as palm leaf, parchment, or paper. It is a less durable material than the other three, and it is also more difficult to write on.
In conclusion, palm leaf was the most common material used for writing and painting in Gujarati Jain manuscripts. It is a durable material that can be easily written on with a stylus. The leaves are also relatively thin, which makes them easy to fold and store.