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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
91
The vector of the malarial parasite is the
  • A. male Anopheles
  • B. female Culex
  • C. male Culex
  • D. female Anopheles
  • E. female Aedes
View Answer & Discuss WAEC 1988
92

A constituent of the exhaust gases of motor vehicles which causes serious air pollution is

  • A. water vapour
  • B. carbondioxide
  • C. carbon monoxide
  • D. oxygen
  • E. ozone
View Answer & Discuss (2) WAEC 1988
93
Which of the following steps would not be taken to protect or conserve fishing grounds from over-exploitation?
  • A. . Use of nets with all sizes of mesh
  • B. Use of nets with a particular mesh size
  • C. Ban on harvesting of some species
  • D. Regulating the size of ships allowed into fishing grounds
  • E. Limiting the period of fishing in the waters
View Answer & Discuss WAEC 1988
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94
Which of the following .is not part of the objectives of conservation of natural resources?
  • A. To eliminate wild animals in order to enable other plants and animals survive
  • B. To use our resources on sustained yield basis
  • C. To guard against indiscriminate killing of plants and animals
  • D. To guard against the extinction and exhaustion o natural resources
  • E. To protect the environment
View Answer & Discuss WAEC 1988
95

During blood transfusion, agglutination may occur as a result of the reaction between

  • A. similar antigens and antibodies
  • B. contrasting antigens and antibodies
  • C. two different antigens
  • D. two different antibodies
  • E. white blood cells from the two individuals.
View Answer & Discuss (8) WAEC 1988
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