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Saturday, 14 November 2026
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Biology Past Questions and Answers

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Waec Biology Questions

Question 1641:
WAEC 2016
The best time to pluck the leaf for the experiment is
SchoolNGR Classroom
  • A After being exposed to sunlight
  • B Three hours after sunset
  • C Before sunrise
  • D Six hours after sunset
View Answer & Explanation
Question 1642:
WAEC 2016
In which of the plant tissues are guard cells located?
SchoolNGR Classroom
  • A Epidemis
  • B MesophyII
  • C Vascular bundles
  • D Meristems
View Answer & Explanation
Question 1643:
WAEC 2016
The association between two organisms in which one of the organisms gains and the other loses is referred to as
SchoolNGR Classroom
  • A Saprophytism
  • B Commensalism
  • C Mutualism
  • D Parasitism
View Answer & Explanation
Question 1644:
WAEC 2016
The function of the villi in the alimentary canal is to
SchoolNGR Classroom
  • A Secrete gastric juice
  • B Curdle milk
  • C Emulsify fat
  • D Increase the surface area for absorption
View Answer & Explanation
Question 1645:
WAEC 2016
The function of the villi in the alimentary canal is to
SchoolNGR Classroom
  • A Secrete gastric juice
  • B Curdle milk
  • C Emulsify fat
  • D Increase the surface area for absorption
View Answer & Explanation

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