Consider the following statements regarding the physical geography of Tamil Nadu: 1. The Nilgiri hills form part of the Western Ghats and meet the Eastern Ghats at the Nilgiri knot. 2. The Palghat Gap is a major mountain pass separating the Nilgiri hills from the Anaimalai hills further south. 3. The Cauvery River enters Tamil Nadu at Hogenakkal Falls after traversing Karnataka. Which of the statements given above are correct?

💡 Solution & Explanation

Statement 1 is correct because the Nilgiri range serves as the junction where the Western and Eastern Ghats converge. Statement 2 is incorrect because the Palghat Gap is located further south between the Nilgiris/Anaimalai massifs and the Cardamom hills, separating the Palakkad district in Kerala from Coimbatore in Tamil Nadu. Statement 3 is correct as the Cauvery enters Tamil Nadu at Hogenakkal in Dharmapuri district after flowing through Karnataka. The Nilgiri plateau hosts the highest peaks in the state including Doddabetta.