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Biology 1988 WAEC Past Questions

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46
Increasing specialization of structure and function among animals of the same class and order for survival in new and different environments is called
  • A. adaptive radiation
  • B. phylogeny
  • C. homology
  • D. analogy
  • E. ontogeny
View Answer & Discuss (2) WAEC 1988
47
When large numbers of organisms share limited space and resources the result is
  • A. immigration
  • B. commensalism
  • C. symbiosis
  • D. extinction
  • E. competition
View Answer & Discuss (1) WAEC 1988
48
The change in colour of the chameleon serves as a means of
  • A. attraction to the opposite sex
  • B. repulsion of the enemy
  • C. a camouflage from a predator
  • D. regulation of body temperature
  • E. . production of a variety of skin pigments
View Answer & Discuss WAEC 1988
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49
Species can be defined as the group of organisms that
  • A. resemble each other and live in the same habitat
  • B. are of common origin and are always found together
  • C. resemble each other and can interbreed freely
  • D. resemble each other and occupy the same niche
  • E. are of common origin but cannot interbreed freely
View Answer & Discuss (1) WAEC 1988
50
Which of the following is not true about gene mutation? It
  • A. introduces new traits into a population
  • B. causes changes in the DNA
  • C. may have unnoticeable effect on the phenotype
  • D. always affects the chromosome number
  • E. is a source of new genes
View Answer & Discuss (5) WAEC 1988
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