With reference to the Purvachal or Eastern hills, consider the following statements: 1. They are mostly composed of strong sandstones which are sedimentary rocks. 2. They are devoid of any forest cover due to rocky terrain. 3. They comprise the Patkai hills, the Naga hills, the Manipur hills, and the Mizo hills. Which of the statements given above is/are correct?

Correct Option The correct option is (c). Explanation The Purvachal, or Eastern Hills and Mountains, constitute the eastern extension of the Himalayan range. These hills run in a north-south direction along the India-Myanmar border, traversing the states of Arunachal Pradesh, Nagaland, Manipur, and Mizoram. Statement-wise Analysis - Statement 1 is Correct: The Purvachal hills are geologically young fold mountains. They are primarily composed of strong sandstones, which are a type of sedimentary rock. This geological composition is consistent with the tectonic origins of the Himalayan system. - Statement 2 is Incorrect: The region receives heavy precipitation due to the Southwest Monsoon. Consequently, the hills are covered with dense forests ranging from tropical evergreen to temperate vegetation. The assertion that they are devoid of forest cover due to rocky terrain is factually wrong; the biodiversity and forest cover in this region are among the highest in India. - Statement 3 is Correct: The Purvachal range comprises several distinct hill ranges aligned from north to south. These include the Patkai Hills (Arunachal Pradesh), the Naga Hills (Nagaland), the Manipur Hills (Manipur), and the Mizo or Lushai Hills (Mizoram). Key Takeaway: The Purvachal hills are sedimentary in origin (sandstone), characterized by rugged terrain and dense forests, and include major ranges like the Patkai, Naga, Manipur, and Mizo hills.

NCERT Class 9 Geography — Chapter 2: Physical Features of India

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With reference to the Purvachal or Eastern hills, consider the following statements:

They are mostly composed of strong sandstones which are sedimentary rocks.
They are devoid of any forest cover due to rocky terrain.
They comprise the Patkai hills, the Naga hills, the Manipur hills, and the Mizo hills.

Which of the statements given above is/are correct?

Official previous-year question

Verified 1 Aug 2026.

Options

A1 and 2 only
B2 only
C1 and 3 only
D1, 2 and 3

Did you get this right?

Solution

Correct Option

The correct option is (c).

Explanation

The Purvachal, or Eastern Hills and Mountains, constitute the eastern extension of the Himalayan range. These hills run in a north-south direction along the India-Myanmar border, traversing the states of Arunachal Pradesh, Nagaland, Manipur, and Mizoram.

Statement-wise Analysis

Statement 1 is Correct: The Purvachal hills are geologically young fold mountains. They are primarily composed of strong sandstones, which are a type of sedimentary rock. This geological composition is consistent with the tectonic origins of the Himalayan system.
Statement 2 is Incorrect: The region receives heavy precipitation due to the Southwest Monsoon. Consequently, the hills are covered with dense forests ranging from tropical evergreen to temperate vegetation. The assertion that they are devoid of forest cover due to rocky terrain is factually wrong; the biodiversity and forest cover in this region are among the highest in India.
Statement 3 is Correct: The Purvachal range comprises several distinct hill ranges aligned from north to south. These include the Patkai Hills (Arunachal Pradesh), the Naga Hills (Nagaland), the Manipur Hills (Manipur), and the Mizo or Lushai Hills (Mizoram).

Key Takeaway: The Purvachal hills are sedimentary in origin (sandstone), characterized by rugged terrain and dense forests, and include major ranges like the Patkai, Naga, Manipur, and Mizo hills.

Your note

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Correct Option

The correct option is (c).

Explanation

Statement-wise Analysis

Statement 1 is Correct: The Purvachal hills are geologically young fold mountains. They are primarily composed of strong sandstones, which are a type of sedimentary rock. This geological composition is consistent with the tectonic origins of the Himalayan system.
Statement 2 is Incorrect: The region receives heavy precipitation due to the Southwest Monsoon. Consequently, the hills are covered with dense forests ranging from tropical evergreen to temperate vegetation. The assertion that they are devoid of forest cover due to rocky terrain is factually wrong; the biodiversity and forest cover in this region are among the highest in India.
Statement 3 is Correct: The Purvachal range comprises several distinct hill ranges aligned from north to south. These include the Patkai Hills (Arunachal Pradesh), the Naga Hills (Nagaland), the Manipur Hills (Manipur), and the Mizo or Lushai Hills (Mizoram).