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3206
The following organisms are pests of plants except
  • A. birds
  • B. nematodes
  • C. bacteria
  • D. rodents
View Answer & Discuss (1) WAEC 2013
3207
The absence of alimentary canal in the parasitic flatworm can be attributed to the fact that
  • A. its body does not feed
  • B. it has no enzymes
  • C. its body absorbs digested food
  • D. it has suckers on the scolex
View Answer & Discuss WAEC 2013
3208
Which of the following human activities would help prevent endangered species from extinction?
  • A. Uncontrolled killing of species
  • B. Regular clearing of the forest vegetation
  • C. Temporary maintenance of species in zoological gardens
  • D. Regular irrigation of their natural habitats
View Answer & Discuss (2) WAEC 2013
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3209
Which of the following statements is not a reason for conserving wildlife?
  • A. Attraction of tourists into the country
  • B. Serving as a source of food
  • C. Serving as a source of income
  • D. increasing the amount of rainfall
View Answer & Discuss WAEC 2013
3210
In genetics, linkages refer to the linking of genes of the
  • A. same chromosomes
  • B. different chromosomes
  • C. same nucleus
  • D. different nuclei
View Answer & Discuss (2) WAEC 2013
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