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WAEC Biology 2020 Objective — Question 36

Question 36 of 50 from the West African Examinations Council (WAEC) Biology 2020 Objective paper, with the correct answer and a full explanation.

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The insects whose activities are both beneficial and harmful to humans are (using the list: I-cotton stainer, II-honeybee, III-termite, IV-weevil)

  • A. I and II
  • B. II and IIICorrect
  • C. II and IV
  • D. III and IV

Explanation

Honeybee and termite are both beneficial and harmful to humans. For instance, honeybees sting but also provide honey; termites are decomposers but also eat/destroy wood.

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