The correct option is 1 and 3 only
Explanation
The Eastern Ghats are a discontinuous range of mountains along India's eastern coast. Unlike the Western Ghats, which form a continuous barrier, the Eastern Ghats are eroded and broken by several major rivers flowing from the Peninsular Plateau into the Bay of Bengal.
Statement-wise Analysis:
- Statement 1 is Correct: The Eastern Ghats are highly eroded, discontinuous, and irregular. Their elevation is generally lower than that of the Western Ghats, and they do not form a continuous wall.
- Statement 2 is Incorrect: The discontinuity of the Eastern Ghats is primarily due to dissection by major peninsular rivers. Rivers such as the Mahanadi, Godavari, Krishna, and Kaveri cut through the range to drain into the Bay of Bengal, creating wide gaps and deltas.
- Statement 3 is Correct: The Eastern Ghats comprise various local hill ranges distributed across different states. Important ranges include the Nallamala and Palconda hills in Andhra Pradesh, and the Javadi and Shevaroy hills in Tamil Nadu.
Key Takeaway:
The Eastern Ghats are characterized by their discontinuous nature caused by the erosion of major east-flowing rivers (Godavari, Krishna, Kaveri, Mahanadi), distinguishing them from the continuous Western Ghats.