Bihar's geographical structure consists of rock systems. Match the rock systems with their descriptions :a. Dharwar rock system1. Created by the rapid deposition of alluvium by Himalayan and Peninsular riversb. Vindhyan rock system2. Can be found in the West Champaran districtc. Quaternary rock system3. Part of the oldest Archaean rock systemd. Tertiary rock system4. Sandstone, limestone, dolomite, quartzite and shale are the main constituents of this rock systemSelect the correct answer using the codes given below.

The correct match is a-3, b-4, c-1, d-2.Dharwar: among the oldest, Archaean-era rocks, found in south Bihar (3).Vindhyan: sedimentary rocks of sandstone, limestone, dolomite, quartzite and shale, as in the Kaimur plateau (4).Quaternary: the recent alluvium laid down by Himalayan and Peninsular rivers, forming the Bihar plain (1).Tertiary: the Siwalik rocks of the Someshwar and Dun ranges in West Champaran (2).The other codes misplace these, for instance putting the alluvium with the ancient Dharwar rocks.

Geography of India Questions and Answers

Q: The river Subarnarekha originates near which of the following villages?

The Subarnarekha originates near Nagri.The Subarnarekha rises near Nagri village, about 15 km south-west of Ranchi in Jharkhand, on the Chota Nagpur plateau. It flows east through Jharkhand, forms the Hundru Falls, and passes through West Bengal and Odisha to the Bay of Bengal.Ormanjhi and Hehal are near Ranchi but are not the source, and Mandar is a hill in Banka district of Bihar.

Q: Which of the following National Parks/Wildlife Sanctuaries are in Bihar?1. Valmiki National Park2. Dudhwa National Park3. Gajner Wildlife Sanctuary4. Bhimbandh Wildlife SanctuarySelect the correct answer using the codes given below.

The ones in Bihar are 1 and 4.Valmiki National Park, in West Champaran on the Nepal border, is Bihar's only national park and tiger reserve (1). Bhimbandh Wildlife Sanctuary, known for its hot springs, is in Munger district (4).Dudhwa National Park is in Lakhimpur Kheri, Uttar Pradesh, and Gajner Wildlife Sanctuary is near Bikaner, Rajasthan, so options with 2 or 3 are wrong.

Q: The other name of river Gandak is

The other name of the Gandak is Narayani.In Nepal the Gandak is known as the Narayani (or Sapt Gandaki, from its seven tributaries). It enters India at Valmikinagar in Bihar and joins the Ganga near Patna (at Sonepur-Hajipur).The Burhi Gandak is a separate river that flows parallel to the Gandak, the Mahananda drains north-east Bihar and Bengal, and the Punpun is a south-bank tributary of the Ganga.

Q: Gold is found in which of the following districts of Bihar?

Gold is found in Jamui.The Geological Survey of India has identified gold-bearing areas in the Sono block of Jamui district, including Karmatia, and estimates of these deposits made Bihar the state with the largest share of India's gold ore resources.Munger, Saran and Siwan are not the districts where Bihar's gold occurs.

Q: The Triveni Canal has been constructed on which of the following rivers?

The Triveni Canal is on the Gandak.The Triveni Canal takes off from the Gandak at Triveni, near the India-Nepal border in West Champaran, and irrigates parts of north-western Bihar. The later Gandak project also draws from the river near Valmikinagar.The Kosi has its own canal system, the Sone feeds the Sone canals in south Bihar, and the Mayurakshi project is in Jharkhand and West Bengal.

Q: Which of the following statements is correct?

The correct statement is Mica is found in Kodarma.Kodarma (Koderma) in Jharkhand, once part of Bihar, is known as the mica capital of India, part of the mica belt of the Chota Nagpur plateau that made India the world's leading mica producer.The other statements are wrong. Natural gas occurs in young sedimentary basins, not in the ancient metamorphic Dharwar rocks. The Cuddapah rocks are better known for limestone, barytes and asbestos, while India's diamonds come from the Vindhyan rocks of Panna and the Kurnool area. The Aravallis are ancient folded mountains with no petroleum.

Q: The average height of the Kosi plain from mean sea level is

The key gives 30 m.The Kosi plain of north-east Bihar is a gently sloping, triangular alluvial plain. As the Commission's remarks explain, its apex at Birpur on the Nepal border is about 54 m above sea level, the middle plain around Saharsa, Supaul and Madhepura is below 40 m, and the lower plain, about 60% of the area, is around 25 m, so its average height is taken as about 30 m.300 m and 150 m are far too high for this low plain, which lies close to the Ganga.

Q: On which plateau, the Tropic of Cancer and the Indian Standard Time Line intersect each other?

They intersect on the Baghelkhand plateau.The Tropic of Cancer (23°30' N) and the standard meridian of India (82°30' E) cross each other in the Baghelkhand region, near the borders of Madhya Pradesh and Chhattisgarh.Bundelkhand and Malwa lie farther west, between about 74° and 80° E, so the 82°30' meridian does not pass through them at the Tropic.

Q: Which district of Uttarakhand is not situated along the Tibbet boundary?

The district not along the Tibet border is Almora.Uttarakhand's border with Tibet (China) runs along the districts of Uttarkashi, Chamoli and Pithoragarh. Almora lies south of Pithoragarh and Bageshwar in the Kumaon middle hills and has no international border.Uttarkashi and Chamoli both touch the Tibet border, so they are wrong.

The river Subarnarekha originates near which of the following villages?

A.Ormanjhi
B.Mandar
C.Hehal
D.Nagri

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: D

The Subarnarekha originates near Nagri.

The Subarnarekha rises near Nagri village, about 15 km south-west of Ranchi in Jharkhand, on the Chota Nagpur plateau. It flows east through Jharkhand, forms the Hundru Falls, and passes through West Bengal and Odisha to the Bay of Bengal.

Ormanjhi and Hehal are near Ranchi but are not the source, and Mandar is a hill in Banka district of Bihar.

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Which of the following National Parks/Wildlife Sanctuaries are in Bihar?

1. Valmiki National Park
2. Dudhwa National Park
3. Gajner Wildlife Sanctuary
4. Bhimbandh Wildlife Sanctuary

Select the correct answer using the codes given below.

A.1 and 4
B.2 and 3
C.1 and 3
D.2 and 4

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: A

The ones in Bihar are 1 and 4.

Valmiki National Park, in West Champaran on the Nepal border, is Bihar's only national park and tiger reserve (1). Bhimbandh Wildlife Sanctuary, known for its hot springs, is in Munger district (4).

Dudhwa National Park is in Lakhimpur Kheri, Uttar Pradesh, and Gajner Wildlife Sanctuary is near Bikaner, Rajasthan, so options with 2 or 3 are wrong.

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The other name of river Gandak is

A.Burhi Gandak
B.Mahananda
C.Narayani
D.Punpun

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: C

The other name of the Gandak is Narayani.

In Nepal the Gandak is known as the Narayani (or Sapt Gandaki, from its seven tributaries). It enters India at Valmikinagar in Bihar and joins the Ganga near Patna (at Sonepur-Hajipur).

The Burhi Gandak is a separate river that flows parallel to the Gandak, the Mahananda drains north-east Bihar and Bengal, and the Punpun is a south-bank tributary of the Ganga.

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Gold is found in which of the following districts of Bihar?

A.Munger
B.Saran
C.Siwan
D.Jamui

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: D

Gold is found in Jamui.

The Geological Survey of India has identified gold-bearing areas in the Sono block of Jamui district, including Karmatia, and estimates of these deposits made Bihar the state with the largest share of India's gold ore resources.

Munger, Saran and Siwan are not the districts where Bihar's gold occurs.

Discuss in Forum

The Triveni Canal has been constructed on which of the following rivers?

A.Kosi
B.Sone
C.Gandak
D.Mayurakshi

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: C

The Triveni Canal is on the Gandak.

The Triveni Canal takes off from the Gandak at Triveni, near the India-Nepal border in West Champaran, and irrigates parts of north-western Bihar. The later Gandak project also draws from the river near Valmikinagar.

The Kosi has its own canal system, the Sone feeds the Sone canals in south Bihar, and the Mayurakshi project is in Jharkhand and West Bengal.

Discuss in Forum

Bihar's geographical structure consists of rock systems. Match the rock systems with their descriptions :

a. Dharwar rock system	1. Created by the rapid deposition of alluvium by Himalayan and Peninsular rivers
b. Vindhyan rock system	2. Can be found in the West Champaran district
c. Quaternary rock system	3. Part of the oldest Archaean rock system
d. Tertiary rock system	4. Sandstone, limestone, dolomite, quartzite and shale are the main constituents of this rock system

Select the correct answer using the codes given below.

A.a-3, b-4, c-1, d-2
B.a-1, b-3, c-2, d-4
C.a-2, b-3, c-4, d-1
D.a-4, b-2, c-3, d-1

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: A

The correct match is a-3, b-4, c-1, d-2.

Dharwar: among the oldest, Archaean-era rocks, found in south Bihar (3).
Vindhyan: sedimentary rocks of sandstone, limestone, dolomite, quartzite and shale, as in the Kaimur plateau (4).
Quaternary: the recent alluvium laid down by Himalayan and Peninsular rivers, forming the Bihar plain (1).
Tertiary: the Siwalik rocks of the Someshwar and Dun ranges in West Champaran (2).

The other codes misplace these, for instance putting the alluvium with the ancient Dharwar rocks.

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Which of the following statements is correct?

A.Natural gas is found in Dharwar rock formation.
B.Mica is found in Kodarma.
C.Cuddapah series is famous for diamonds.
D.Petroleum reserves are found in Aravalli hills.

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: B

The correct statement is Mica is found in Kodarma.

Kodarma (Koderma) in Jharkhand, once part of Bihar, is known as the mica capital of India, part of the mica belt of the Chota Nagpur plateau that made India the world's leading mica producer.

The other statements are wrong. Natural gas occurs in young sedimentary basins, not in the ancient metamorphic Dharwar rocks. The Cuddapah rocks are better known for limestone, barytes and asbestos, while India's diamonds come from the Vindhyan rocks of Panna and the Kurnool area. The Aravallis are ancient folded mountains with no petroleum.

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The average height of the Kosi plain from mean sea level is

A.300 m
B.150 m
C.30 m
D.None of the above

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: C

The key gives 30 m.

The Kosi plain of north-east Bihar is a gently sloping, triangular alluvial plain. As the Commission's remarks explain, its apex at Birpur on the Nepal border is about 54 m above sea level, the middle plain around Saharsa, Supaul and Madhepura is below 40 m, and the lower plain, about 60% of the area, is around 25 m, so its average height is taken as about 30 m.

300 m and 150 m are far too high for this low plain, which lies close to the Ganga.

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On which plateau, the Tropic of Cancer and the Indian Standard Time Line intersect each other?

A.Bundelkhand
B.Baghelkhand
C.Malwa
D.None of the above

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: B

They intersect on the Baghelkhand plateau.

The Tropic of Cancer (23°30' N) and the standard meridian of India (82°30' E) cross each other in the Baghelkhand region, near the borders of Madhya Pradesh and Chhattisgarh.

Bundelkhand and Malwa lie farther west, between about 74° and 80° E, so the 82°30' meridian does not pass through them at the Tropic.

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10.

Which district of Uttarakhand is not situated along the Tibbet boundary?

A.Uttarkashi
B.Chamoli
C.Almora
D.None of the above

Exam Year(s)

BPSC Exam - 2023, BPSC CDPO - 2023,

Answer: C

The district not along the Tibet border is Almora.

Uttarakhand's border with Tibet (China) runs along the districts of Uttarkashi, Chamoli and Pithoragarh. Almora lies south of Pithoragarh and Bageshwar in the Kumaon middle hills and has no international border.

Uttarkashi and Chamoli both touch the Tibet border, so they are wrong.

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