The correct answer is (b). Kuttu flour is obtained from Fagopyrum esculentum, which is a pseudocereal crop commonly known as buckwheat. It is a gluten-free grain that is often used in Indian cuisine, especially during the Navratri festival.
Tapioca is a starch extracted from the cassava plant. It is a tuberous root vegetable that is native to South America. Tapioca is a popular ingredient in many dishes, including puddings, pies, and desserts.
Plantago is a genus of plants that includes many species of plantain. Plantains are edible herbs that are often used in salads and stir-fries.
Eleusine is a genus of grasses that includes many species of millet. Millet is a cereal grain that is often used in porridges and breads.