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Biology Past Questions and Answers

Waec Biology Questions

Question 1581:
Water and salts are both lost from the human body in
  • A Breath and sweat
  • B Breath and Urine
  • C Breath, urine and sweat
  • D Sweat and urine
View Answer & Explanation
Question 1582:
Which of the following features could be used to determine the growth of a seedling?
  • A Number of flowers
  • B Number of leaves
  • C Length of flowers
  • D Length of radicle
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Question 1583:
A plant that commonly undergoes vegetative propagation by means of leaves is
  • A Hibiscus
  • B Bryophylum
  • C Crotalaria
  • D Spirogyra
View Answer & Explanation
Question 1584:
Blood pressure is higher in the arteries as a result of
  • A Stree
  • B Contraction and relaxation
  • C Blockage in the arteries
  • D Presence of valves
View Answer & Explanation
Question 1585:
A farmer who wants to keep seeds for three years before planting and wants to prevent them from sprouting uses
  • A Auxin
  • B Gibberellins
  • C Abscisin
  • D Cytokinins
View Answer & Explanation