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State PCS PYQPrelims 2023

BPSC – Combined Competitive Examination · Question 91

Assertion (A): Rich placer deposits of gold are found on the Ghana coast and gold-bearing veins are found in Brazil. Reason (R): At some point in time, these continents were joined together along the Atlantic coast.

  1. Both A and R are true and R is the correct explanation of A
  2. Both A and R are true but R is not the correct explanation of A
  3. A is false but R is true
  4. A is true but R is false
Show answer & explanation

Answer: (A) Both A and R are true and R is the correct explanation of A

Explanation

Matching gold deposits across the Atlantic is classic evidence for continental drift (Wegener).

  • (A) Correct

    Correct: the gold source rocks were continuous when Africa and South America were joined.

  • (B) Incorrect

    Wrong: R does explain A (continental drift evidence).

  • (C) Incorrect

    Wrong: A is true.

  • (D) Incorrect

    Wrong: R is true.