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Biology Past Questions and Answers

Waec Biology Questions

Question 1991:
Which of the following substances is not a conservable natural resource ?
  • A Mineral
  • B Air
  • C Soil
  • D Water
View Answer & Explanation
Question 1992:
The diagram above illustrates an ecological instrument. Study it and answer the question below;

A disadvantage of the abiotic factor measured by the instrument is that it
  • A Is an agent of pollination
  • B Is necessary for germination
  • C Leads to flooding when in excess
  • D Is used for irrigation
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Question 1993:
The diagram below is an illustration of an ecological instrument. Study it an answer the question below;

When the instrument is in use, it is usually
  • A Placed slightly above soil level
  • B Placed on a table
  • C Suspended in air
  • D Suspended to moving water
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Question 1994:
Soil with the finest texture is
  • A Silt
  • B Clay
  • C Sand
  • D Gravel
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Question 1995:
The position occupied by an organism in food chain is the
  • A Energy level
  • B Niche
  • C Trophic level
  • D Biomass
View Answer & Explanation