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mediumQ. No. 14746

Which river forms the boundary between Bihar and Jharkhand?

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This bilingual Bihar GK question examines a specific geographical, historical, administrative, cultural or economic fact about Bihar. The verified answer is Son. The item keeps the place, period, institution and qualifying condition in the stem clear so that closely related alternatives can be distinguished accurately. Its explanation supplies state-level context, identifies the decisive association and supports direct MCQs, statement questions, chronology and elimination practice for BPSC, Bihar Police, teacher recruitment, SSC, Railway and other competitive examinations. The central revision association is Which river forms the boundary between Bihar and Jharkhand?

AGanga
BSon
CPunpun
DFalgu
Correct Answer: SonYour Answer: B

Explanation

Son is the answer that matches the Bihar-specific fact asked in the question. The Son river (Sone river) forms a significant part of the natural boundary between Bihar and Jharkhand. The Son originates from the Amarkantak plateau in Madhya Pradesh and flows northeast before joining the Ganga near Patna. It flows through Jharkhand and Bihar, and its course marks the boundary in certain stretches between the two states. The Ganga is the principal river of Bihar but flows through the middle of Bihar from west to east and does not form a boundary with Jharkhand. The Punpun is a tributary of the Ganga that flows through central Bihar and is not a boundary river with Jharkhand. The Falgu river flows through Gaya district and is a sacred river in Hindu tradition, but it does not mark the Bihar-Jharkhand boundary. Jharkhand was carved out of Bihar on November 15, 2000. The Son river is also significant for the Indrapuri Barrage and Bansagar Dam project (shared between MP, UP, and Bihar). Understanding the river boundaries is essential for Bihar geography questions in BPSC exams. Bihar GK questions frequently place neighbouring districts, rivers, historical centres, personalities or government institutions together as distractors, so recognition of a familiar name alone is insufficient. The alternatives Ganga, Punpun, Falgu may be valid Bihar-related terms, but they do not satisfy the complete relationship asked here. A sound method is to identify the subject area first—geography, history, polity, economy or culture—and then verify the location, period and function separately.

Important Notes

  • Verified answer: Son; zero-based index
  • Exact Bihar GK fact: Which river forms the boundary between Bihar and Jharkhand?
  • Check the district, period, institution and qualifying condition separately.
  • Do not confuse it with Ganga, Punpun, Falgu.
  • Revision pair: Which river forms the boundary between Bihar and Jharkhand? — Son.

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Common questions and clear answers for this topic.

Which river forms the boundary between Bihar and Jharkhand?

Son. The Son river (Sone river) forms a significant part of the natural boundary between Bihar and Jharkhand. The Son originates from the Amarkantak plateau in Madhya Pradesh and flows northeast before joining the Ganga near Patna. It flows through Jharkhand and Bihar, and its course marks the boundary in certain stretches between the two states. The Ganga is the principal river of Bihar but flows through the middle of Bihar from west to east and does not form a boundary with Jharkhand. The Punpun is a tributary of the Ganga that flows through central Bihar and is not a boundary river with Jharkhand. The Falgu river flows through Gaya district and is a sacred river in Hindu tradition, but it does not mark the Bihar-Jharkhand boundary. Jharkhand was carved out of Bihar on November 15, 2000. The Son river is also significant for the Indrapuri Barrage and Bansagar Dam project (shared between MP, UP, and Bihar). Understanding the river boundaries is essential for Bihar geography questions in BPSC exams.

Which clue determines the answer?

Use the exact Bihar-specific place, period, institution or function stated in the stem.

Why are the alternatives unsuitable?

Ganga, Punpun, Falgu represent different geographical, historical or administrative associations.

How should this Bihar GK fact be revised?

Revise the full pair ‘Which river forms the boundary between Bihar and Jharkhand? — Son’ with its context.

What is Bihar famous for in Indian history?

Bihar is famous for being the center of ancient kingdoms such as Magadha, the Maurya Empire, and the Gupta Empire. It is also known for Nalanda University and its contribution to Buddhism and Jainism.

What is the capital city of Bihar?

Patna is the capital city of Bihar and one of the oldest continuously inhabited cities in the world. It was historically known as Pataliputra.

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