The correct answer is a) Cassava (Tapioca).
Cassava is a starchy, tuberous root vegetable that is a staple food in many parts of the world, including Kerala. It is a member of the Euphorbiaceae family, and is native to South America. Cassava is a drought-tolerant crop, and can be grown in poor soils. It is a good source of carbohydrates, dietary fiber, and vitamins B6 and C.
Potatoes are tubers that grow on the roots of the potato plant. They are a member of the nightshade family, and are native to the Andes Mountains of South America. Potatoes are a good source of carbohydrates, dietary fiber, and vitamins B6 and C. They are also a good source of potassium, which is an important mineral for blood pressure control.
Sweet potatoes are tubers that grow on the roots of the sweet potato plant. They are a member of the morning glory family, and are native to Central and South America. Sweet potatoes are a good source of carbohydrates, dietary fiber, and vitamins A and C. They are also a good source of beta-carotene, which is an antioxidant that can be converted to vitamin A in the body.
Elephant foot yam is a starchy, tuberous root vegetable that is native to Africa. It is a member of the Dioscoreaceae family, and is also known as the African yam or the water yam. Elephant foot yam is a good source of carbohydrates, dietary fiber, and vitamins B6 and C. It is also a good source of potassium, which is an important mineral for blood pressure control.
In conclusion, the correct answer to the question “Which root vegetable is a staple food in many parts of Kerala?” is a) Cassava (Tapioca).