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  9. Q4

OPSC OCS 2024 · Question 4 of 99

Consider the following statements marked as Assertion (a) and Reason (R), and select the correct option using the codes given below: Assertion (a): In central and southern Odisha, the Proterozoic era is represented by the Eastern Ghats Granulite Belt, which consists of khondalite, charnockite, migmatite, anorthosite and alkaline rocks. Reason (R): These rock formations are linked to the mineralisation of bauxite, manganese, graphite, and gemstones.

Odisha Geography

  1. ABoth A and R are true, and R correctly explains A
  2. BBoth A and R are true, but R does not correctly explain ACorrect
  3. CA is true, but R is false.
  4. DA is false, but R is true.

Answer: B. Both A and R are true, but R does not correctly explain A

Explanation

Both Assertion (A) and Reason (R) are true, but R does not correctly explain A . The Eastern Ghats Granulite Belt (EGGB) in central and southern Odisha is of Proterozoic age and contains khondalite, charnockite, migmatite, anorthosite, and alkaline rocks , confirming geological…

Source: OPSC OCS Prelims 2024 GS Paper-I; answers per StudyIQ unofficial key

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