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Biology 1999 WAEC Past Questions

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36
Which of the following organisms can be found in fresh water habitat?
  • A. Sargassum and dog fish
  • B. Red mangrove and pond skater
  • C. Sargassum and red mangrove
  • D. Spirogyra and pond skater
View Answer & Discuss (1) WAEC 1999
37
Which of the following is not a biotic factor?
  • A. Parasites
  • B. Predators
  • C. Grazers
  • D. Pressure
View Answer & Discuss (4) WAEC 1999
38
Desert plants are usually called
  • A. hydrophytes
  • B. mesophytes
  • C. xerophytes
  • D. sporophytes
View Answer & Discuss (1) WAEC 1999
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39
The secchi disc is used to measure
  • A. speed of flow of water
  • B. specific gravity of water
  • C. turbidity of water
  • D. depth of water
View Answer & Discuss WAEC 1999
40
Soil factors in an ecosystem are referred to as
  • A. topographic
  • B. climatic
  • C. biotic
  • D. edaphic
View Answer & Discuss (1) WAEC 1999
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