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Biology 2011 WAEC Past Questions

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11
Secondary growth is brought about by the activities of the
  • A. phellogen and phelloderm
  • B. phellogen and procambium.
  • C. vascular cambium and phelloderm
  • D. vascular cambium and phellogen
View Answer & Discuss (1) WAEC 2011
12
A monocot root IS different from a dicot root by having
  • A. endodermis
  • B. cambium
  • C. wide pith
  • D. root hair.
View Answer & Discuss (3) WAEC 2011
13
Which of the following statements best describes haemoglobin? It is
  • A. yellowish in colour
  • B. a red blood cell
  • C. an oxygen carrying pigment
  • D. needed for blood clotting
View Answer & Discuss (1) WAEC 2011
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14
Inhaled air is made warm and moist in the
  • A. epiglottis
  • B. nasal cavity
  • C. trachea
  • D. mouth
View Answer & Discuss WAEC 2011
15
Which of the following structures is not involve in respiration?
  • A. Lung books
  • B. Mouth
  • C. Stomach
  • D. Trachea
View Answer & Discuss (1) WAEC 2011
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