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2431

Which of the following statements is true about movement of the forearm? In

  • A. bending the arm, the biceps relax and the triceps contract
  • B. bending the arm, the biceps contract and the triceps relax
  • C. straightening the arm the biceps contract and the triceps relax
  • D. straightening the arm, both biceps and triceps contract
View Answer & Discuss (9) WAEC 2005
2432
Only specially adapted micro-organisms are found in
  • A. salty water
  • B. humid air
  • C. moist soil
  • D. mouth cavities
View Answer & Discuss (4) WAEC 2005
2433
Which of the following organisms causes syphilis?
  • A. Mycobacterium tuberculosis
  • B. Bordetella pertusis
  • C. Treponema pallidlum
  • D. Clostridium tetani
View Answer & Discuss WAEC 2005
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2434

In plant respiration occurs in

  • A. mesophyll cells only
  • B. the root only
  • C. the stomata and lenticel only
  • D. all living cells
View Answer & Discuss (6) WAEC 2005
2435
A faster colour change of a dry cobalt chloride paper affixed to the lower surface of a leaf than the upper one, indicates that
  • A. sunlight slows down water loss from the upper surface
  • B. the lower surface of the leaf has more stomata
  • C. Sunlight causes the stomata on the upper surface to close
  • D. stomata are not present on the upper surface of a leaf
View Answer & Discuss (1) WAEC 2005
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