Wed. Jan 8th, 2025

Denudation Chronology and Erosional Surfaces

  1. What interrupted the Permian-Triassic cycle of erosion in the region?

    Options:
    1. Glaciation
    2. Volcanic eruptions
    3. Faulting
    4. Monsoon climate

    Option: B

  2. What is the name of the surface produced by the Gondwana cycle of erosion?

    Options:
    1. Permian-Triassic erosion surface
    2. Carboniferous erosion surface
    3. Gondwana surface
    4. Pre-Cambrian erosion surface

    Option: C

  3. What is the Tertiary cycle of erosion?

    Options:
    1. A cycle of upliftment of the western Chotanagpur plateau and Palamau upland during late Tertiary epoch.
    2. A cycle of incision of valleys due to rejuvenation in the major streams of the Chotanagpur highlands.
    3. A cycle of erosion that began with the upliftment of the western Chotanagpur and was interrupted due to mid-Tertiary upliftment, resulting in the initiation of the mid-Tertiary cycle.
    4. A cycle of erosion in the Southeast Chotanagpur that was interrupted due to the moderate nature of upliftment.

    Option: C

  4. What is the landscape of the Chotanagpur region characterized by?

    Options:
    1. Relict mountains and hills.
    2. Polycyclic reliefs.
    3. Ravinous regions.
    4. Escarpments of rift valleys.

    Option: B

  5. What are the Vindhyan ranges?

    Options:
    1. Old and highly dissected relict mountains and hills.
    2. Escarpments of rift valleys.
    3. Escarpments almost parallel to the Son valley.
    4. Running from Indore to Bhopal, through Baghelkhand, extending up to Sasaram in Bihar.

    Option: C

  6. What is the most outstanding characteristic feature of the peaks of the hill ranges of Peninsular India?

    Options:
    1. They have flat tops rather than sharp edges.
    2. They are affected by faulting activity to the largest extent.
    3. They flow through deep and narrow gorges.
    4. They are buried under Deccan lav

    Option: A

  7. Which of the following is not a part of the Indian landscape mosaic?

    Options:
    1. Deccan Plateau
    2. Chotanagpur plateau
    3. Himalayas
    4. MyTore

    Option: C

  8. Which river’s tributaries are the Subamarekha and the N-u Damodar?

    Options:
    1. Ganges
    2. Brahmaputra
    3. Godavari
    4. Mahanadi

    Option: A

  9. Which geological era does the Archaean group of rocks belong to?

    Options:
    1. Paleozoic
    2. Mesozoic
    3. Cenozoic
    4. Precambrian

    Option: D

  10. Which of the following is not a result of the landscape evolution in Peninsular India?

    Options:
    1. Eustatism
    2. Sedimentation
    3. Tectonic uplift
    4. Plate tectonics

    Option: D

  11. What is the name of the group of rocks that terminates the geological history of Peninsular India?

    Options:
    1. Dharwarian
    2. Archaean
    3. Aryan
    4. Recent

    Option: D

  12. What is the composition of the Gondwana formation?

    Options:
    1. Sedimentary rocks
    2. Igneous rocks
    3. Metamorphic rocks
    4. None of the above

    Option: A

  13. Which of the following river valleys do not have the presence of the Gondwana formation?

    Options:
    1. Godavari valley
    2. Mahanadi valley
    3. Venganga valley
    4. Tapti valley

    Option: D

  14. Which of the following sub-series is not a part of the middle Gondwana system?

    Options:
    1. Maleri sub-series
    2. Mahadeo sub-series
    3. Panchet sub-series
    4. Damodar series

    Option: D

  15. Which period saw an extensive lava flow in Peninsular India?

    Options:
    1. Jurassic period
    2. Triassic period
    3. Cretaceous period
    4. Permian period

    Option: C

  16. Which region in India has the presence of Deccan lava traps?

    Options:
    1. Eastern Himalayas
    2. Western Himalayas
    3. Eastern Ghats
    4. Western Ghats

    Option: B

  17. Which of the following periods is not a part of the Tertiary system of rocks?

    Options:
    1. Eocene period
    2. Oligocene period
    3. Pliocene period
    4. Pleistocene period

    Option: D

  18. Which of the following is not a part of the Pliocene deposits?

    Options:
    1. Sand dunes of Rajputana
    2. Raised beaches on sea coasts
    3. Older alluvia of Narmada valley
    4. Fossiliferous deposits on the Coromandel coast

    Option: D

  19. Which of the following is responsible for the formation of the north-northwest oriented anticlinorium?

    Options:
    1. Initial orogenesis
    2. Intense folding
    3. Delhi-Arawalli ranges
    4. None of the above

    Option: B

  20. What is the supposed state of the Archaean mountains before the Dalmia and Dhanjori lava flows?

    Options:
    1. They were highly eroded
    2. They were buried under sediments
    3. They were peneplained
    4. None of the above

    Option: C