The correct answer is C) Rubber.
Rubber is a major cash crop in Kerala. It is grown in the Western Ghats and the Malabar Coast. The state is the largest producer of rubber in India. Rubber is a valuable commodity and is used in a variety of products, including tires, shoes, and gloves.
Wheat is a cereal crop that is grown in temperate climates. It is a major food staple in many parts of the world. Wheat is not grown in Kerala because the climate is not suitable for its cultivation.
Rice is a cereal crop that is grown in tropical and subtropical climates. It is a major food staple in many parts of the world. Rice is grown in Kerala, but it is not as important as rubber.
Sugarcane is a grass that is grown in tropical and subtropical climates. It is a major source of sugar. Sugarcane is not grown in Kerala because the climate is not suitable for its cultivation.