The correct answer is A) Rice.
Rice is the most important agricultural crop in Karnataka, accounting for over 50% of the state’s agricultural land. It is grown in all parts of the state, but the major rice-growing areas are the Cauvery Delta, the Malnad region, and the northern districts.
Rice is a staple food for the people of Karnataka and is also used to make a variety of other products, such as rice flour, rice bran oil, and rice paper.
The other options are incorrect because they are not major agricultural crops in Karnataka.
B) Tea is grown in the Western Ghats region of Karnataka, but it is not a major crop.
C) Rubber is grown in the southern districts of Karnataka, but it is not a major crop.
D) Jute is not grown in Karnataka.