Bihar StudyBPSC Portal
← Home
🌏 Geography of Bihar Chapter 4: Drainage System & Water Resources (अपवाह तंत्र एवं जल संसाधन)

Module 2: Plateau and southern rivers

📖 Chapter 4 of 17 🧩 Module 2 of 4 ⏱️ ~2 min read 💡 6 MCQs
Topic Part 1 of 2

Concept

Subtopic 2.1: Plateau and southern rivers

  • Son (Sonbhadra): starts near Amarkantak (Maikal range, Madhya Pradesh region); total length about 780 km. It forms the western boundary of parts of Rohtas, Aurangabad, Bhojpur and Patna and joins the Ganga near Maner.
  • Punpun: flows through Gaya and Patna and joins near Fatuha. Bathing and pind-daan in the Punpun is believed to give peace to ancestors.
  • Karmanasha: starts in the Vindhyachal hills and forms the border between Bihar and Uttar Pradesh; considered inauspicious. It joins the Ganga near Chausa.
  • Falgu: formed in Gaya by Lilajan and Mohana; during Pitrupaksha pilgrims perform pind-daan in it. Mostly dry in summer.
  • Kiul: starts near Khamardih in Hazaribagh (Jharkhand); Sakri: from northern Chotanagpur, flows through Gaya, Nawada, Nalanda and Patna.
  • Ajay: rises at Chakai in Jamui district, moves to West Bengal and merges in the Ganga system (also called Ajmavati).
⭐ Key Points
  • Amarkantak in the Maikal range.
  • Karmanasha separates Bihar and UP.
  • Falgu at Gaya.
  • Fatuha.
  • At Chakai, Jamui.
  • Near Maner, west of Patna.
📌 One-line Q&A
  • Question: The Son river rises near: Answer: Amarkantak.
  • Question: The Karmanasha forms the boundary between Bihar and: Answer: Uttar Pradesh.
  • Question: Pind-daan during Pitrupaksha is performed on the banks of: Answer: Falgu.
  • Question: Punpun joins the Ganga near: Answer: Fatuha.
  • Question: The Ajay river rises in: Answer: Jamui district.
  • Question: The Son meets the Ganga near: Answer: Maner.
Topic
Questions

MCQs

Answer this question, then use Next.

Question 1: The Son river rises near:

Amarkantak in the Maikal range.

Question 2: The Karmanasha forms the boundary between Bihar and:

Karmanasha separates Bihar and UP.

Question 3: Pind-daan during Pitrupaksha is performed on the banks of:

Falgu at Gaya.

Question 4: Punpun joins the Ganga near:

Fatuha.

Question 5: The Ajay river rises in:

At Chakai, Jamui.

Question 6: The Son meets the Ganga near:

Near Maner, west of Patna.
Question 1 of 6

One-liners

Write your answer, then submit to see the correct answer.

The Son river rises near:

Amarkantak.

The Karmanasha forms the boundary between Bihar and:

Uttar Pradesh.

Pind-daan during Pitrupaksha is performed on the banks of:

Falgu.

Punpun joins the Ganga near:

Fatuha.

The Ajay river rises in:

Jamui district.

The Son meets the Ganga near:

Maner.
Question 1 of 6