At which location does the River Ganga officially enter the geographical territory of Bihar? गंगा नदी बिहार की भौगोलिक सीमा में किस स्थान पर प्रवेश करती है?

At which location does the River Ganga officially enter the geographical territory of Bihar?

BPSC 5-Option Format

गंगा नदी बिहार की भौगोलिक सीमा में किस स्थान पर प्रवेश करती है?

AChausa (Buxar district) / चौसा (बक्सर जिला)

Correct Answer

BManer (Patna district) / मनेर (पटना जिला)

CDanapur (Patna district) / दानापुर

DMore than one of the above / उपर्युक्त में से एक से अधिक

ENone of the above / उपर्युक्त में से कोई नहीं

Verified Correct Answer: Option (A)

Chausa (Buxar district) / चौसा (बक्सर जिला)

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Detailed Solution & Educational Explanation

Clear, student-friendly explanation of why the answer is correct

The River Ganga enters Bihar near Chausa in Buxar district from Uttar Pradesh and flows eastward, bifurcating the state into North and South plains, before exiting near Manihari in Katihar district into West Bengal.

गंगा नदी उत्तर प्रदेश से बिहार में बक्सर जिले के चौसा के समीप प्रवेश करती है और लगभग 445 किलोमीटर की यात्रा बिहार में तय करती है।

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Option-by-Option In-Depth Analysis

Dissection of why each option is correct or incorrect

Option	Status	Critical Educational Reasoning
(A) Chausa (Buxar district) / चौसा (...	Correct	Correct. River Ganga enters Bihar from Ghazipur/Ballia (UP) near Chausa village in Buxar district.
(B) Maner (Patna district) / मनेर (प...	Incorrect	Incorrect. Maner is situated in Patna district near the confluence of the Son and Ganga rivers, far downstream.
(C) Danapur (Patna district) / दानाप...	Incorrect	Incorrect. Danapur is a military cantonment and railway division near Patna.
(D) More than one of the above / उपर...	Incorrect	Incorrect. The river enters the state only through the western border at Chausa.
(E) None of the above / उपर्युक्त मे...	Incorrect	Incorrect. Option A is geographically verified.

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Underlying Concept & Subject Background

Master the topic deeply rather than simply memorizing the answer

River Ganga is the master drainage axis of Bihar. Entering the state near Chausa in Buxar district, it traverses approximately 445 km through 12 districts (Buxar, Bhojpur, Saran, Patna, Vaishali, Samastipur, Begusarai, Lakhisarai, Munger, Khagaria, Bhagalpur, and Katihar). It bisects Bihar into two physiographic regions: the North Bihar Plain and the South Bihar Plain. It leaves the state near Manihari in Katihar district to enter West Bengal.

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Important Facts to Remember

High-yield revision points frequently tested in BPSC TRE examinations

Total length of River Ganga in Bihar is approximately 445 km.
Passes through 12 districts of Bihar, with Patna having the longest stretch (approx 99 km).
North tributaries joining Ganga: Ghaghra (Saran), Gandak (Pahleza/Sonepur), Burhi Gandak (Khagaria), Bagmati, Kamla-Balan, Koshi (Kursela, Katihar), Mahananda.
South tributaries joining Ganga: Karmanasa (Chausa), Son (near Maner), Punpun (Fatuha), Kiul, Harohar, Badua, Chandan.

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Common Candidate Misconceptions

Avoid common traps and confusing options in this topic

Candidates often confuse Chausa (the entry point of Ganga) with the entry point of the Ghaghra river, which joins Ganga at Revelganj in Saran district.

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Verified Sources & Academic Citations

Authoritative books, official notifications, and standard reference materials

Government of Bihar: Water Resources Department Annual Report
Bihar Economic Survey: Environment, Climate Change and Water Resources Chapter
NCERT Class 11: India - Physical Environment (Drainage System)

Primary Exam Reference: Bihar State Physical Geography Atlas

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