SSC Stenographer 2025 PYQ — Question 4

SSC Stenographer - 08 Aug 2025 - Shift 1 • General Awareness • Q4

Consider the following statements regarding the evolution of India's major drainage systems:

1. The ancient Indo-Brahma river is believed to have split into three major drainage systems over time.

2.The Ganga and its Himalayan tributaries represent the central drainage system.

3.The western drainage system consists of the Brahmaputra and its tributaries.

Which of the above statements is/are correct?

Show answer & explanation

Correct answer: D

Explanation

Answer:

Only 1 and 2

Explanation:

The Indo-Brahma river system is believed to be an ancient river that later split into three major drainage systems—Indus, Ganga, and Brahmaputra → Correct

The Ganga River and its Himalayan tributaries form the central drainage system → Correct

The Brahmaputra River belongs to the eastern drainage system, not the western → Incorrect

So, statements 1 and 2 are correct, while 3 is incorrect.

Additional Points:

The three major river systems of northern India are:

Indus River (Western system)

Ganga River (Central system)

Brahmaputra River (Eastern system)

These rivers originate from the Himalayas.

The drainage system evolved due to tectonic movements and geological changes.

Potential Exam Questions & Answers:

Q.Which river is known for forming the largest delta in the world? Answer: Ganga-Brahmaputra system

Q.The Brahmaputra enters India through which state?

Answer: Arunachal Pradesh