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Biology WAEC Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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281
Changes in energy flow between organisms in a habitat can be represented by a
  • A. pyramid of biomass
  • B. pyramid of numbers
  • C. pyramid of energy
  • D. food chain
  • E. food web
View Answer & Discuss (2) WAEC 1990
282
Which of the following processes is not involved in the carbon cycle?
  • A. Burning
  • B. Decay
  • C. Transpiration
  • D. Respiration
  • E. Photosynthesis
View Answer & Discuss (3) WAEC 1990
283
Which of the following processes are involved in a water cycle?
  • A. Evaporation, condensation and precipitation
  • B. Evaporation, percolation and transpiration
  • C. Evaporation and precipitation
  • D. Evaporation and transpiration
  • E. Precipitation and condensation.
View Answer & Discuss WAEC 1990
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284
Water in the human body is derived from the following sources except through
  • A. drinking water
  • B. food substances
  • C. cytoplasm of worn-out cells
  • D. respiratory activity
  • E. absorption by the skin
View Answer & Discuss (2) WAEC 1990
285
The conservation of natural resources can be achieved by the following except
  • A. creation of national parks
  • B. formation of conservation societies and agencies
  • C. establishment of game reserves
  • D. deregulated harvesting
  • E. making laws on conservation
View Answer & Discuss (1) WAEC 1990
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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