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Biology 1992 WAEC Past Questions

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16
Which of the following is not a courtship behaviour exhibited by animals
  • A. Pairing
  • B. Display
  • C. Seasonal migration
  • D. Hibernation
  • E. Territorialism
View Answer & Discuss WAEC 1992
17
Which of the following mineral salts is a trace element?
  • A. Zinc
  • B. Carbon
  • C. Hydrogen
  • D. Potassium
  • E. Calcium
View Answer & Discuss WAEC 1992
18
Which of the following organisms reduces nitrates in the soil to gaseous nitrogen?
  • A. Euglena
  • B. Protozoan
  • C. Denitrifying bacterium
  • D. Parasitic mould
  • E. Nitrifying bacterium
View Answer & Discuss WAEC 1992
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19
What type of relation exists between a tapeworm and an infected mammal?
  • A. Symbiosis
  • B. Commensalism
  • C. Predation
  • D. Parasitism
  • E. Saprophytism
View Answer & Discuss (3) WAEC 1992
20
Which of the following best describes a marine habitat?
  • A. large body of water
  • B. which has no distinctive color or taste
  • C. with high concentration of salt
  • D. with little suspended materials
  • E. with no water weed
View Answer & Discuss (2) WAEC 1992
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