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Biology 2025 WAEC Past Questions

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36

Which of the following activities does not control pathogens? 

  • A. exposure to ultraviolet radiation
  • B. use of disinfectants
  • C. eating balanced diets
  • D. destroying the habitats of pathogens
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37

Which of the following diseases could be prevented by a BCG vaccination?

  • A. Malaria
  • B. Cholera
  • C. Tuberculosis
  • D. Diphtheria
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38

The main effect of a deforestation is 

  • A. creation of new habitats
  • B. loss of soil particles
  • C. survival of more species
  • D. reduction of carbon(IV) oxide in the atmosphere
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39

Which of the following resources cannot be conserved?

  • A. mineral resources
  • B. soil and water
  • C. forest and wildlife
  • D. domestic wastes
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40

Which of the following activities is not suitable for forest conservation?

  • A. felling of trees
  • B. planting seedlings
  • C. preventing bush fires
  • D. preventing tree crops
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