Fri. Jan 10th, 2025

Denudation Chronology and Erosional Surfaces

  1. What is the landscape development sequence of the Peninsular India according to R.P. Singh?

    Options:
    1. Formation of Delhi-Arawalli ranges, formation of westward tilted folds, intense folding
    2. Formation of westward tilted folds, intense folding, formation of north-northwest oriented anticlinorium
    3. Formation of north-northwest oriented anticlinorium, formation of Delhi-Arawalli ranges, intense folding
    4. None of the above

    Option: C

  2. What was the reason for the initiation of the Cambrian Landscape Cycle?

    Options:
    1. The formation of the Vindhyan ranges.
    2. The reduction in reliefs of Peninsular Indi
    3. The ablation and obliteration of ice sheets from Vindhyan ranges.
    4. The erosion, sedimentation, and magmatic intrusions.

    Option: C

  3. How did the limnological stage of the Talchir basin come to an end?

    Options:
    1. Due to the initial moraines that enabled the deposition of boulders.
    2. Due to the onset of warm conditions that facilitated the deposition of rocks rich in iron content.
    3. Due to the deglaciation of ice sheets.
    4. Due to the formation of lakes.

    Option: B

  4. What is the Gondwana Landscape Cycle?

    Options:
    1. The process of sedimentation in the basins of the Mahanadi, the Damodar, and the Godavari rivers.
    2. The formation of tectonic troughs in the basins of the Mahanadi, the Damodar, and the Godavari rivers.
    3. The formation of the Rajmahal basalt during the phase of Gondwana sedimentation.
    4. The peneplanation of the peninsula by the end of the Mesozoic era

    Option: D

  5. Which cycle caused erosion in the early Cretaceous period?

    Options:
    1. Devonian cycle
    2. Permian cycle
    3. Carboniferous cycle
    4. Gondwana cycle

    Option: D

  6. What are the evidences of the completion of the erosion cycle during the post-Gondwana cycle?

    Options:
    1. Raised beaches
    2. Mysore plateau
    3. Relics in Maharashtra
    4. All of the above

    Option: D

  7. What is the name of the lava formation that covered an area of 5,18,000 km 2 during the Eocene period?

    Options:
    1. Himalayan trap
    2. Vindhyan trap
    3. Deccan trap
    4. Satpura trap

    Option: C

  8. What type of weathering led to the formation of laterites?

    Options:
    1. Chemical weathering
    2. Biological weathering
    3. Physical weathering
    4. Mechanical weathering

    Option: A

  9. Which of the following is not a landscape component of Peninsular India?

    Options:
    1. Hills
    2. Ridges
    3. Valleys
    4. Mesas

    Option: D

  10. What was the state of topographic reliefs of Peninsular India before the Tertiary epoch?

    Options:
    1. Folded
    2. Uplifted
    3. Peneplained
    4. Subsided

    Option: C

  11. What caused the formation of the Western Margins of Western Ghats?

    Options:
    1. Subsidence of an extensive area between Africa and Indian peninsula
    2. Uplift of the Western Ghats
    3. Folding and faulting of the Indian Peninsula
    4. Erosion by rivers

    Option: A

  12. Which rivers of Peninsular India are not conformal to the drainage axis of the present drainage system?

    Options:
    1. Ganga and Yamuna
    2. Krishna and Godavari
    3. Narmada and Tapi
    4. Brahmaputra and Meghna

    Option: C

  13. What caused the breaks in the long profiles of the Narmada, Tapi, and Godavari rivers?

    Options:
    1. Volcanic eruptions
    2. Tertiary uplifts, tilting, and warping
    3. Folding and faulting of the Indian Peninsula
    4. Seismic activity

    Option: B

  14. Which topographic feature is considered to be the result of the Cenozoic erosion cycle?

    Options:
    1. Mesas
    2. Peneplains
    3. Deltas
    4. Arches

    Option: B

  15. Which of the following seas is believed to have extended up to the Nilgiri hills?

    Options:
    1. Vindhyan sea
    2. Cuddapah sea
    3. Bizawar sea
    4. Arabian sea

    Option: B

  16. Which areas are devoid of marine fossils between Vindhyan and Cuddapah seas?

    Options:
    1. Nilgiri hills
    2. Madhya Pradesh
    3. Both A and B
    4. None of the above

    Option: C

  17. Which drainage axes existed during the Archaean drainage system?

    Options:
    1. Western Ghat drainage axis
    2. Satpura drainage axis
    3. Aravalli drainage axis
    4. All of the above

    Option: D

  18. What does the existence of tillites of the Ken Valley and boulder bed of the Son valley validate?

    Options:
    1. The corollary of glaciation of the Cuddapah range
    2. The corollary of glaciation of the Vindhyan range
    3. The corollary of glaciation of the Aravalli range
    4. None of the above

    Option: B

  19. What are the present coastal tracts characterized by?

    Options:
    1. Raised beaches
    2. Sand dunes
    3. Lagoons
    4. All of the above

    Option: D

  20. Which plateau is bordered by the Belan basin in the southeast?

    Options:
    1. Vindhyan plateau
    2. Satpura plateau
    3. Chotanagpur plateau
    4. Malwa plateau

    Option: C