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Biology 2019 JAMB Past Questions

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66

One of the following is not the theory of natural selection stated by Charles Dawin

  • A. Characteristics acquired through use or disuse are transmitted offspring
  • B. Variations appear by themselves in a population
  • C. Heredity variations are transmitted to offspring
  • D. Species that are the fittest for the environment contribute more offsprings to the next needs of the generation
View Answer & Discuss (2) JAMB 2019
67

Ecology is best defined as the study of

  • A. The characteristics of an environment
  • B. The inter-relationship between living organisms and the environment
  • C. Living organisms in a particular area
  • D. The habitats and wild life
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68

The following processes are involved during expiration in man except

  • A. The inter costal muscles relax
  • B. The thoracic cavity first increases in volume
  • C. The sternum moves inward
  • D. The ribs are moved downwards and inwards
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69

Which of the following is an example of continous variation?

  • A. Human blood groups
  • B. Sex difference in human
  • C. Haemoglobin types
  • D. Height in humans
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70

One of the following is an effect of clay soil on vegetation

  • A. Supports luxuriant vegetation such as forest
  • B. Supports scanty vegetation
  • C. Does not support light vegetation
  • D. Support arid vegetation
View Answer & Discuss (8) JAMB 2019
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