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Saturday, 04 April 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 166:
In testing for a reducing sugar, the food substance is usually warmed with
  • A Sulphuric acid
  • B Million's reagent
  • C Sudan III
  • D Benedicts's solution
View Answer & Explanation
Question 167:
Which of the following adapts the aorta to the high pressure of the blood from the heart?
  • A Thin walls
  • B Fragile membrane
  • C Thick elastic walls
  • D Stiff walls
  • E Narrow lumen
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Question 168:
The part of the alimentary system of a bird where grinding of maize occurs is the
  • A Crop
  • B Stomach
  • C Gizzard
  • D Cloaca
  • E Rectum
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Question 169:
Natality is a factor affecting population density because it involves
  • A Increase in population due to immigration
  • B Increase in population due to emigration
  • C The number of mature females in the population
  • D The number of females in the population
  • E The number of all young ones produced in the population
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Question 170:
The female part of a flower consist of the
  • A Stigma, style and ovary
  • B Petals, sepals and anthers
  • C Stigma, sepals and anthers
  • D Filaments, style and pollen grain
  • E Sepals, stigma and pollen grain
View Answer & Explanation