NextMockதேர்வுகளைத் தேடுங்கள், எ.கா. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2023

BPSC – Combined Competitive Examination · வினா 92

Bihar's geological structure consists of several rock systems. Match the rock systems with their descriptions: a. Dharwar rock system b. Vindhyan rock system c. Quaternary rock system d. Tertiary rock system 1. Created by rapid deposition of alluvium by Himalayan and Peninsular rivers 2. Found in West Champaran district 3. Part of the oldest Archaean rock system 4. Sandstone, limestone, dolomite, quartzite and shale are the main constituents

  1. a-3, b-4, c-1, d-2
  2. a-1, b-3, c-2, d-4
  3. a-2, b-3, c-4, d-1
  4. a-4, b-2, c-3, d-1
விடையைக் காட்டு & விளக்கம்

விடை: (A) a-3, b-4, c-1, d-2

விளக்கம்

In Bihar, Tertiary (Shivalik) rocks occur in the north of West Champaran; Quaternary alluvium covers the Ganga plain.

  • (A) சரி

    Correct: Dharwar–Archaean, Vindhyan–sandstone/limestone, Quaternary–alluvium, Tertiary–West Champaran (Shivalik).

  • (B) தவறு

    Wrong: Dharwar is not alluvial.

  • (C) தவறு

    Wrong: most pairs are wrong.

  • (D) தவறு

    Wrong: most pairs are wrong.