Explanation:

- Rajasthan: This state is known for its arid and semi-arid climate. It has a desert landscape, making it the ideal habitat for cacti and thorny bushes with spine-like structures.

- Correct Answer

- Assam: Located in the northeastern part of India, Assam has a tropical climate with ample rainfall. It is more known for its tea gardens and dense forests, not dry thorny vegetation.

- West Bengal: This eastern state has a varied climate but is typically humid and receives significant rainfall. It's known for its mangroves and delta regions rather than being dry and thorny.

- Odisha: Situated on the eastern coast, Odisha usually experiences a humid climate with high annual rainfall. It's known for its varied coastal and forest vegetation.