Answer: (d) None. None of the statements given above are correct.
Explanation:
Amarkantak Hills: The Amarkantak Hills are not at the confluence of the Vindhya and Sahyadri Ranges. They are located in the Maikal Range, which is a part of the Satpura Range. Amarkantak hills is the meeting point of the three hills, the Vindhya Ranges, the Satpura Ranges and the Maikal Hills which serves as the fulcrum. The Amarkantak region is a unique natural heritage area and is the meeting point of the Vindhya and the Satpura Ranges, with the Maikal Hills being the fulcrum. This is where the Narmada River, the Son River and Johilla River (tributary of Son) originate.
Biligirirangan Hills: The Biligirirangan Hills, also known as B.R. Hills, are not a part of the Satpura Range. They are located in the Eastern Ghats, which run parallel to the eastern coast of India. The Biligirirangan Hills are situated on the border of Karnataka and Tamil Nadu states.
Seshachalam Hills: The Seshachalam Hills do not constitute the southernmost part of the Western Ghats. They are located in the Eastern Ghats. The Seshachalam Hills are situated in the Chittoor district of Andhra Pradesh, India.
Reference source:
NCERT Geography textbook for Class 11, "Fundamentals of Physical Geography," Chapter 2: "The Origin and Evolution of the Earth" (Page 9-12): Link
Amarkantak hills is the meeting point of the three hills, the Vindhya Ranges, the Satpura Ranges and the Maikal Hills which serves as the fulcrum. The Amarkantak region is a unique natural heritage area and is the meeting point of the Vindhya and the Satpura Ranges, with the Maikal Hills being the fulcrum. This is where the Narmada River, the Son River and Johilla River (tributary of Son) originate.
