Bihar Geography

Explanation:

The Gomti river flows in Uttar Pradesh, not Bihar. The Falgu, Bagmati, and Punpun rivers flow through Bihar. The Gomti originates in Pilibhit district in Uttar Pradesh and merges with the Ganges near Lucknow. [BPSC LDC (Pre) Exam-26.02.2022, 67th BPSC (Pre) 2021]

Explanation:

Brahmayoni Hill is located in the Gaya district of Bihar. Falgu, Bagmati, and Punpun rivers flow in this area. There is a historical mention of Brahmayoni during the Ramayana period. [BPSC LDC (Pre) Exam-26.02.2022, 67th BPSC (Pre) 2021]

Explanation:

Hundru Falls is located in Ranchi district of Jharkhand on the Subarnarekha River. Kakolat Falls is in Nawada district and Manjhar Kund is in Rohtas district of Bihar. Therefore, Hundru Falls is not in Bihar. [BPSC LDC (Pre) Exam-26.02.2022, 67th BPSC (Pre) 2021]

Explanation:

The Kosi River, originating from Tibet (China), is called the 'Sorrow of Bihar' due to its frequent flooding and changing course, causing devastation in northern Bihar. Its tributaries include Arun, Tamur, and Sunkosi. [67th BPSC (Pre) Re-exam 2021]

Explanation:

The confluence of the Son and Ganga rivers takes place in Patna district. The Son originates from the Amarkantak plateau in Madhya Pradesh and flows northward to merge with the Ganga. [67th BPSC (Pre) Re-exam 2021]

Explanation:

Telhar Kund, or Telhar Falls, is located in the Kaimur district of Bihar, on the Durgavati River. The waterfall is accessible via Bhabua-Andhora road and is known for its cold water. [67th BPSC (Pre) Nirast 2021]

Explanation:

Rajgir city, located in Nalanda district, is surrounded by five hills: Vipulgiri, Ratnagiri, Udayagiri, Swarngiri, and Vaibhargiri. It was once the capital of the Magadha Empire and is historically and religiously significant. [66th BPSC (Pre) 2020]

Explanation:

The Digha-Sonepur rail-cum-road bridge, known as Loknayak Jayaprakash Narayan Setu (JP Setu), is located over the Ganga River, connecting Patna and Sonepur. It is 4556 meters long and is the second-longest rail-cum-road bridge in India. [66th BPSC (Pre) Re-exam 2020]

Explanation:

Bhojpur district has the highest canal-irrigated area in Bihar. According to 2017-18 data, Bhojpur has 73.8% of its area under canal irrigation, followed by Aurangabad (71.1%) and West Champaran (62.2%). [66th BPSC (Pre) Re-exam 2020]

Explanation:

The North-West Alluvial Plain of Bihar covers the highest number of districts, totaling 13: West Champaran, East Champaran, Gopalganj, Siwan, Saran, Muzaffarpur, Sitamarhi, Madhubani, Darbhanga, Samastipur, and Begusarai. This region is highly fertile and intensively cultivated. [67th BPSC (Pre) Re-exam 2021]

Explanation:

The Gandak river flows northward in Bihar before joining the Ganga. Other rivers such as Bagmati, Kamala, and Kosi primarily flow southeast. [65th BPSC (Pre) Re-exam 2019, 66th BPSC (Pre) 2020]

Explanation:

West Champaran district has Piedmont soil, characterized by a high presence of pebbles and sand. Piedmont soil is found at the base of hills with moderate fertility and is prone to swampy conditions in some areas. [66th BPSC (Pre) 2020]

Explanation:

Old alluvial soil or Bangar is found in Patna, Rohtas, Aurangabad, Jehanabad, and Bhagalpur districts. It is dark yellow or brown, moderately fertile, and has good water-holding capacity. [65th BPSC (Pre) Re-exam 2019]

Explanation:

The Kosi river meets the Ganga river at Kursela in Katihar district. This river is notorious for flooding, earning the title 'Sorrow of Bihar.' [65th BPSC (Pre) 2019, 65th BPSC (Pre) Re-exam 2019]

Explanation:

There are 12 districts in Bihar situated on the banks of the Ganga: Buxar, Bhojpur, Saran, Vaishali, Patna, Samastipur, Begusarai, Munger, Khagaria, Katihar, Bhagalpur, and Lakhisarai. [65th BPSC (Pre) 2019]

Explanation:

Most of Bihar is covered with lowland alluvial soil, formed by river deposits from the Ganga and its tributaries. This soil is fertile, loamy, and suitable for agriculture. [64th & 65th BPSC (Pre) 2018-19, 2019]

Explanation:

West Champaran has dense humid deciduous forests. Bihar generally has humid and dry deciduous forests, with dense forests in Kaimur, Rohtas, and West Champaran districts. [65th BPSC (Pre) 2019]

Explanation:

The Rohtas Plateau is the oldest geomorphic region of Bihar. It is part of the southern plateau, a remnant of the Kaimur hills, with predominance of quartzite rock and triangular extension from Munger to Jamui. [65th BPSC (Pre) 2019]

Explanation:

Anupam Lake is located in Kaimur (Bhabua) district of Bihar. Sambhar Lake is in Rajasthan, Sukhna Lake is in Chandigarh, and Kama Lake is in Russia. [56th-59th BPSC (Pre) 2015, ASI (P.T.) Exam-26.08.2018]

Explanation:

The Kosi River originates from the Himalayas in Nepal and enters India at Bhim Nagar in Bihar. It is known as the 'Sorrow of Bihar' due to frequent floods and changing course. Major tributaries include Tamur, Arun, and Sunkosi. [Bihar Police CSBC (Constable) Exam-15.12.2013, Patna High Court Exam-10.04.2011]

Explanation:

Purnia district is the largest jute-producing district in Bihar, followed by Katihar. Jute cultivation is supported by fertile alluvial soils in northern Bihar. [63rd BPSC (Pre) 2017-18]

Explanation:

North Bihar is the most flood-prone region in India, with 76% of its population affected by recurring floods. Key flood-causing rivers include Kosi, Mahananda, Bagmati, Gandak, and Budhi Gandak, originating in Nepal. [Bihar Secondary Teacher Evaluation Exam-18.07.2010]

Explanation:

The Kosi River is famously known as 'The Sorrow of Bihar' due to its frequent flooding that causes extensive damage in northern Bihar. While the Gandak River also causes floods in North Bihar, the title 'Mourning North Bihar' is specifically attributed to the Kosi River because of its historical flood impact on the region. [Bihar Secondary Teacher Assessment (Proficiency) Exam 18.07.201]

Explanation:

The northern plains of the Ganges, which are part of the vast plains of northern India formed due to the deposition of sediments by rivers such as the Indus, Ganges, and Brahmaputra, cover an area of 56,680 sq km in Bihar. These fertile plains are crucial for agriculture and settlement in the state. [Bihar SSC Stenographer Exam 27.08.200]

Explanation:

The Kosi Project was a joint project between the Government of Bihar and Nepal. The agreement was made in 1953-54 to construct the project. The Kosi River is a cross-border river flowing through Tibet, Nepal, and India, and it meets the Ganges near Kursela in Katihar district, Bihar. [Bihar SSC Stenographer Exam 27.08.200]

Explanation:

The Karmanasa, Gandak, and Ghaghra rivers form part of the natural boundary between Bihar and Uttar Pradesh. The Karmanasa originates in the Vindhyachal hills, Gandak from the Someshwar hills, and Ghaghra (also known as Saryu) from Nepal. They collectively demarcate the boundary line between the two states. [47th BPSC (Pre) 2004-200]

Explanation:

Bihar shares its northern international border with Nepal. It is also bordered by Jharkhand to the south, West Bengal to the east, and Uttar Pradesh to the west. Bihar has seven districts bordering Nepal. [46th BPSC (Pre) 2003-2004]

Explanation:

Bihar has two major natural divisions: the Gangetic Plain and the Chotanagpur Plateau. The Gangetic Plain is subdivided into the Northern and Southern Gangetic plains. There is no distinct Eastern Gangetic Plain in Bihar. [46th BPSC (Pre) 2003-2004]

Explanation:

The rivers Gandak, Kamala, and Bagmati flow from the north into the Ganges in Bihar. Other rivers like the Son are southern tributaries, and Kosi flows from Nepal to Bihar causing floods. [46th BPSC (Pre) 2003-2004]

Explanation:

The Gandak Project is a major river valley project implemented jointly by the governments of Bihar and Uttar Pradesh. It includes the construction of a barrage and canals for irrigation, providing benefits to both states. [Bihar Product SI (Pre) Exam-02.12.2002]