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JAMB Use of English 2004 Question 62

Question 62

Antonyms

Choose the option opposite in meaning to the word or phrase in italics: The potency of the drug has been acknowledged

  1. A.action
  2. B.loss
  3. C.inefficacy
  4. D.power
Show the answer and explanation

Answer: C (inefficacy)

Explanation

'Potency' means strength or effectiveness; 'inefficacy' means not working.