Geological Structure
Geological Structure
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quiz Questions
Q11
The Mesozoic Gondwana rock formations in India are primarily found in which of the following geographic features?
Rift Valleys and River Basins
High Himalayan Peaks
Coastal Sand Dunes
Desert Playas
Explanation
Gondwana rock formations are structurally preserved within synclinal troughs and rift valleys, most notably along the Damodar, Mahanadi, and Godavari river basins.
Q12
What is the structural term for the deep structural trough that filled with alluvium to form the Great Northern Plains of India?
Rift Valley
Himalayan Foredeep
Horst Structure
Graben
Explanation
Geologically, the Northern Plains developed in a foredeep basin (foredeep) formed in front of the rising Himalayan mountain belt.
Q13
The 'Tertiary Rock System' in India is most significant for hosting rich deposits of which energy resource?
Uranium
Petroleum and Natural Gas
High-grade Anthracite Coal
Geothermal energy
Explanation
Tertiary rocks in India, located in areas like Assam, Gujarat, and offshore Bombay High, are the primary repository of petroleum and natural gas reserves.
Q14
Which structural boundary zone forms the tectonic interface where the Indian subcontinent collides with Eurasia under the Himalayas?
Main Central Thrust
Indus-Tsangpo Suture Zone (ITSZ)
Main Boundary Fault
Himalayan Frontal Thrust
Explanation
The Indus-Tsangpo Suture Zone (ITSZ) marks the collision zone or suture line between the Indian Plate and the Eurasian Plate to the north.
Q15
The Karakoram Range is a part of which geographical division?
Himadri
Trans-Himalayas
Purvanchal Hills
Shiwaliks
Explanation
The Karakoram Range belongs to the Trans-Himalayas range, located north of the Great Himalayan range.
Q16
Through which of the following states does the Tropic of Cancer NOT pass?
Rajasthan
Odisha
Tripura
Chhattisgarh
Explanation
The Tropic of Cancer passes through 8 Indian states: Gujarat, Rajasthan, MP, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram. It does not pass through Odisha.
Q17
What is the standard meridian of India used to calculate Indian Standard Time (IST)?
82°30' E
84°30' E
81°30' E
85°00' E
Explanation
The 82°30' E longitude passing through Mirzapur (UP) is taken as the standard meridian for India.
Q18
Which state shares the longest international border with Bangladesh?
Assam
Tripura
West Bengal
Meghalaya
Explanation
West Bengal shares the longest international boundary line with Bangladesh, measuring around 2,217 km.
Q19
Which of the following passes connects Srinagar to Leh?
Nathu La
Zoji La
Shipki La
Rohtang Pass
Explanation
Zoji La pass is a high mountain pass that connects Srinagar with Leh in the Ladakh region.
Q20
Which of the following passes connects India (Sikkim) with China (Tibet)?
Nathu La
Zoji La
Lipulekh Pass
Banihal Pass
Explanation
Nathu La is a mountain pass in the Himalayas in East Sikkim district that connects Sikkim with China's Tibet Autonomous Region.