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JAMB Use of English 1991 Question 51

Question 51

Vocabulary in Context

Choose the word(s) or phrase(s) which best fill(s) the gap(s): Insects can become ________ to insecticides

  1. A.immunized
  2. B.resistant
  3. C.reticent
  4. D.immobilized
Show the answer and explanation

Answer: B (resistant)

Explanation

Insects that are no longer killed by a chemical become 'resistant to' it.