हिंदी में पढ़ें
1. Basaltic Lava rocks over the Indian Deccan Plateau were formed in which of the following periods?
(a) Cretaceous period
(b) Pleistocene period
(c) Carboniferous period
(d) Miocene period
[Uttarakhand P.C.S. (Pre) 2012]
Ans. (a) Cretaceous period
- The rocks of Peninsular India are estimated to be around 3600 million years old.
- Before the Carboniferous Period, it was connected to Gondwanaland.
- During the Carboniferous Period, coal was made in four basins –
- Damodar
- Son
- Mahanadi
- Godavari
- In the Cretaceous Period, a lot of volcanic activity created the Deccan Trap, which is a large lava plateau that has layers of lava up to thousands of metres deep.
- This lava plateau formed around 66.25 million years ago.
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2. Meghalaya plateau is part of –
(a) Himalayan Range
(b) Peninsular Plateau
(c) Mountains of Eastern Ghats
(d) Satpura Range
[U.P.U.D.A./L.D.A. (Pre) 2013]
Ans. (b) Peninsular Plateau
- The Meghalaya plateau is part of the large Indian peninsular plateau.
- It is divided from the rest of the plateau by Malda Gap.
- The peninsular plateau is triangular in shape and covers the whole of the peninsula, extending from the plains of Uttar Pradesh and Bihar to the south.
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3. Which one of the following is not a part of the Meghalaya Plateau?
(a) Bhuban Hills
(b) Garo Hills
(c) Khasi Hills
(d) Jaintia Hills
(e) None of the above/More than one of the above
[64th B.P.S.C. (Pre) 2018]
Ans. (a) Bhuban Hills
- The Meghalaya Plateau includes Garo, Khasi, and Jaintia.
- The Bhuban Hills is located in the southeast of Barak Valley bordering Manipur and Mizoram.
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4. Extra peninsular mountains of India were formed during
(a) Eozoic Era
(b) Palaeozoic Era
(c) Mesozoic Era
(d) Cenozoic Era
[41st B.P.S.C. (Pre) 1996]
Ans. (d) Cenozoic Era
- The mountains located outside of the main peninsula in India were created during the Cenozoic Era.
- The Himalayas are an example of these extra peninsular mountains.
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5. Why is Dhanbad the most densely inhabited district of the Chotanagpur plateau?
(a) Fertile soil and irrigational facilities by canals from the Damodar.
(b) Availability of coal, iron ore, mica, copper etc.
(c) Development of mining industries and industrialization.
(d) All of the above.
[U.P.P.C.S. (Mains) 2007]
Ans. (c) Development of mining industries and industrialization.
- Dhanbad is located in the Chotanagpur plateau, which is well-known for its coal mining and has some of India’s biggest mines.
- The soil in the area is mostly red, which makes it unsuitable for farming.
- The presence of coal, iron, and mica does not attract many people to the area.
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6. Chotanagpur Plateau –
(a) Is a front-sloping
(b) Is a pitfall
(c) Is a foothill
(d) Is a plain subland
[40th B.P.S.C. (Pre) 1995]
Ans. (a) Is a front-sloping
- The Chotanagpur Plateau covers a large area of around 87,239 square kilometers, including Jharkhand, parts of Odisha, West Bengal, Bihar, and Chhattisgarh.
- It has plateaus at varying heights, with the highest being the ‘Patland’ in the central western part, which reaches about 1,100 meters.
- This area has a steep slope, making it a front-sloping area.
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7. Alabama Hill located at
(a) the west of Bijapur upland
(b) the east of Bijapur upland
(c) the south of Bijapur upland
(d) the north of Bijapur upland
[Chhattisgarh P.C.S. (Pre) 2018]
Ans. (c) the south of Bijapur upland
- Alabama Hill is situated in the southern part of Bijapur highlands.
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8. Which one of the following districts does not have Dharwar geological formations?
(a) Munger
(b) Rohtas
(c) Jamui
(d) Nawada
(e) None of the above/more than one of the above
[65th B.P.S.C. (Pre) 2019]
Ans. (b) Rohtas
- Munger, Jamui, and Nawada in southeastern Bihar are made of rocks from the Dharwar formation.
- Rohtas is formed of rocks from the Vindhyan formation.
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9. Which plateau lies between the Aravalli and the Vindhya ranges –
(a) Malwa Plateau
(b) Chotanagpur Plateau
(c) Deccan Plateau
(d) Peninsular Plateau
[M.P.P.C.S. (Pre), 2008]
Ans. (a) Malwa Plateau
- The Malwa Plateau is large, covering 150000 square kilometers.
- It is 530 kilometers long and 390 kilometers wide.
- Its northern end is bordered by the Aravalli Mountains, its southern end by the Vindhya Range, and its eastern end by the Bundelkhand Plateau.
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10. Dandakaranya lies in –
(a) Chhattisgarh and Madhya Pradesh
(b) Chhattisgarh and Orissa
(c) Jharkhand and Orissa
(d) Andhra Pradesh and Jharkhand
[U.P.P.C.S. (Spl) (Mains) 2008]
Ans. (b) Chhattisgarh and Orissa
- The Dandakaranya region is a large area of about 89,078 square kilometers, located in the states of Odisha, Chhattisgarh, Telangana, Maharashtra, and Andhra Pradesh.
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