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ExamsSSC CGL (Prelims)General

In the passage, the phrase 'Mercator's epochal 1569 projection ... enabled navigators to plot straight-line courses across the globe' uses the word 'epochal' to mean which of the following?

  1. Trivial and easy to ignore
  2. Technically faulty and unreliable
  3. Greatly important and historic
  4. Heavily disputed and discredited

Correct answer: Greatly important and historic

Solution

'Epochal' derives from 'epoch', a significant historical period, so it means landmark, era-defining, and historically important. The passage praises Mercator's 1569 projection as a breakthrough that transformed navigation, supporting the meaning 'greatly important and historic'.

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