The correct answer is A) Coir.
Coir is a natural fiber extracted from the outer husk of coconuts. It is a very strong and durable fiber that has been used for centuries in a variety of products, including ropes, mats, carpets, and furniture. Coir is also used in the production of coir pith, which is a lightweight, absorbent material that is used in horticulture and landscaping.
Kerala is one of the leading producers of coir in the world. The state has a long history of coir production, and the industry employs a significant number of people. Coir is an important part of the Kerala economy, and it is a major source of income for many families in the state.
The other options are incorrect.
Textiles are made from a variety of fibers, including cotton, wool, and silk. Bamboo is a type of grass that is used to make a variety of products, including furniture, flooring, and paper. Cashew processing is the process of extracting the cashew nut from the cashew apple.