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Biology 1999 JAMB Past Questions

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31

Th chitin in the exoskeleton of many arthropods is strengthened by

  • A. calcium compounds
  • B. organic salts
  • C. lipids
  • D. proteins
View Answer & Discuss (29) JAMB 1999
32

The structure labelled II articulates with III to form

  • A. sliding joint
  • B. hinge joint
  • C. pivot joint
  • D. ball-and-socket joint
View Answer & Discuss (6) JAMB 1999
33

Which of the bones is the radius?

  • A. I
  • B. II
  • C. III
  • D. IV
View Answer & Discuss (3) JAMB 1999
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34
The construction of dams may lead to an increase in the prevalence of
  • A. typhoid fever, measles and yellow fever
  • B. tuberculosis, leprosy and trypanosomiasis
  • C. guinea worm, malaria and tuberculosis
  • D. malaria, bilharziasis and onchocerciasis
View Answer & Discuss (6) JAMB 1999
35
Floating microscopic heterotrophs are mostly grouped as
  • A. phytoplankton
  • B. zooplankton
  • C. microbes
  • D. nekton
View Answer & Discuss (7) JAMB 1999
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