Plateaus

Total Questions: 15

1. Basaltic Lava rocks over Indian Deccan Plateau were formed in which of the following period ? [Uttarakhand P.C.S. (Pre) 2012]

(a) Cretaceous period
(b) Pleistocene period
(c) Carboniferous period
(d) Miocene period

Correct Answer: (a) Cretaceous period

Solution:The origin of rocks of Peninsular India is about 3600 million years old. Before the Carboniferous Period, it was a part of Gondwanaland. It was during the Carboniferous period that coal was formed in the Damodar, Son, Mahanadi, Wardha and Godavari basins. During the Cretaceous Period, large scale volcanicity produced the Deccan Trap (the Lava Plateau of India) comprising Lava sheets of several thousand meter in depth. The Deccan Trap originated about 66.25 million years ago.

2. Meghalaya plateau is the part of- [U.P.U.D.A./L.D.A.(PRE) 2013]

(a) Himalayan Range
(b) Peninsular Plateau
(c) Mountains of Eastern Ghats
(d) Satpura Range

Correct Answer: (b) Peninsular Plateau

Solution:Meghalaya plateau is an extension of the Indian peninsular plateau. It was separated from the peninsular plateau by Malda Gap. Peninsular plateau is triangular in shape. It extends from plains of Uttar Pradesh and Bihar towards south and encompasses whole of the peninsula.

3. Extra peninsular mountains of India were formed during: [41th B.P.S.C.(Pre)1996]

(a) Eozoic Era
(b) Palaeozoic Era
(c) Mesozoic Era
(d) Cenozoic Era

Correct Answer: (d) Cenozoic Era

Solution:Extra peninsular mountains of India were formed in Cenozoic Era. Himalayan Range are example of extra peninsular mountains of India.

4. Why is Dhanbad the most densely inhabited district of Chotanagpur plateau ? [U.P.P.C.S. (Mains) 2007]

(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 industriali- zation.
(d) All of the above.

Correct Answer: (c) Development of mining industries and industriali- zation.

Solution:Dhanbad comes under Chotanagpur plateau which is famous for coal mining and has some of the largest mines in India. Red soil is found in most of its region which is not useful for agriculture. Availability of coal, iron ore, mica etc. is not a good reason for population density.

5. Chota Nagpur Plateau-

(a) Is a front sloping
(b) Is a pitfall
(c) Is a foothill
(d) Is a plain sub land

Correct Answer: (a) Is a front sloping

Solution:Chota Nagpur plateau covers much of Jharkhand as well as adjacent parts of Odisha, West Bengal, Bihar and Chhattisgarh.
The Chotanagpur Plateau extends over an area of approximately 87239 sq.km. Chotanagpur consists of a series of plateaus at different levels of elevation. On Central Western portion the 'Patland' is extended whose height is about 1100 m. In this the sharp break in slope is marked by steep scarps. Hence it is a front sloping.

6. Consider the map given below: [U.P.S.C.(Pre) 1997]

The place marked A, B, C and D in the map are respectively:

(a) Rift valley region, Chhattisgarh plain, Rain shadow region and Chota Nagpur
(b) Chhattisgarh Plain, Chota Nagpur plateau, Rift Valley
(c) Rift Valley region, Chhattisgarh plain, Chota Nagpur plateau and Rain shadow regioniero
(d) Chhattisgarh plain, Rain shadow region, Chota Nagpur plateau and Rift valley region

Correct Answer: (c) Rift Valley region, Chhattisgarh plain, Chota Nagpur plateau and Rain shadow regioniero

Solution:The place marked 'A' in the map is Narmada and Tapti river's rift valley region. The place marked 'B' is Chhattisgarh plain which is drained mostly by Mahanadi river. The place marked 'C' is Chota Nagpur plateau. The place marked 'D' is a rainshadow area which is part of Western Ghat.

7. Which plateau lies between the Aravalli and the Vindhya ranges? [M.P.P.C.S.(PRE) 2008, Uttarakhand P.C.S.(Pre) 2021]

(a) Malwar Plateau
(b) Chotanagpur Plateau
(c) Deccan Plateau
(d) Peninsular Plateau

Correct Answer: (a) Malwar Plateau

Solution:Malwa plateau spreads over an area of 150000 sq.km with a length of 530km and a width of 390 km. It's northern end is determined by Aravalli, southern end by the Vindhya range and eastern border by Bundelkhand plateau.

8. Dandakaranya lies in- [U.P.P.C.S.(Spl) (Mains) 2008]

(a) Chhattisgarh and Orissa
(b) Chhattisgarh and Madhya Pradesh
(c) Jharkhand and Orissa
(d) Andhra Pradesh and Jharkhand

Correct Answer: (b) Chhattisgarh and Madhya Pradesh

Solution:Dandakaranya region occupies an area of about 89078 sq. km in the State of Orissa (now Odisha), Chhattisgarh, Telangana, Maharashtra and Andhra Pradesh. The region extends for about 480km from east to west and 320km from north to south.

9. Dandakaranya region lies in the state of: [66th B.P.S.C.(Re-Exam)(Pre)2020]

(a) Odisha
(b) Chhattisgarh
(c) Andhra Pradesh
(d) None of the above/more than of the above

Correct Answer: (d) None of the above/more than of the above

10. In which part of India, Dandakaranya is situated? [Jharkhand P.C.S.(Pre) 2013]

(a) Northern
(b) Eastern
(c) Central
(d) Western

Correct Answer: (c) Central

Solution:Dandakaranya is a part of South India's peninsular plateau. It extends over an area of approximately 89078 sq. km in Odisha, Chhattisgarh, Telangana, Maharashtra and Andhra Pradesh.

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