The correct answer is: a) Garo Hills.
Pineapple cultivation is mainly concentrated in the Garo Hills region of Meghalaya. The Garo Hills are a hilly region in the western part of Meghalaya, India. The region is home to a number of different ethnic groups, including the Garo people. The Garo Hills are known for their beautiful scenery, their rich culture, and their agricultural produce. Pineapple is one of the most important crops grown in the Garo Hills. The region has a favorable climate for pineapple cultivation, and the soil is well-suited for the crop. Pineapple is grown on a large scale in the Garo Hills, and the fruit is exported to other parts of India and the world.
The other options are incorrect for the following reasons:
- Option b) Khasi Hills: The Khasi Hills are a hilly region in the central part of Meghalaya. The region is home to the Khasi people, who are one of the major ethnic groups in Meghalaya. The Khasi Hills are known for their beautiful scenery, their rich culture, and their agricultural produce. Pineapple is not one of the most important crops grown in the Khasi Hills.
- Option c) Jaintia Hills: The Jaintia Hills are a hilly region in the eastern part of Meghalaya. The region is home to the Jaintia people, who are one of the major ethnic groups in Meghalaya. The Jaintia Hills are known for their beautiful scenery, their rich culture, and their agricultural produce. Pineapple is not one of the most important crops grown in the Jaintia Hills.
- Option d) Brahmaputra Valley: The Brahmaputra Valley is a lowland region in the eastern part of India. The region is home to the Brahmaputra River, which is one of the largest rivers in India. The Brahmaputra Valley is known for its fertile soil, its agricultural produce, and its dense population. Pineapple is not one of the most important crops grown in the Brahmaputra Valley.