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Friday, 03 April 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 121:
Water in the human body is derived from the following sources except through
  • A Drinking water
  • B Food substances
  • C Cytoplasm of worn-out cells
  • D Respiratory activity
  • E Absorption by the skin
View Answer & Explanation
Question 122:
The conservation of natural resources can be achieved by the following except
  • A Creation of national parks
  • B Formation of conservation societies and agencies
  • C Establishment of game reserves
  • D Deregulated harvesting
  • E Making laws on conservation
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Question 123:
Water rises most rapidly in
  • A Sandy soil
  • B Clayey soil
  • C Sandy-loam soil
  • D Loamy soil
  • E Humus soil
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Question 124:
Thrombocytes are blood cells responsible for initiating
  • A Phagocytosis of bacteria
  • B Synthesis of ribosomes
  • C Clotting of the blood
  • D Immunity to certain infectious diseases
  • E Removal of carbondioxide from tissues.
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Question 125:
When gametes from pure breeding parents with contrasting features such as tallness and shortness are
involved in monohybrid cross, the offspring in the first filial generation are usually
  • A Pure breed
  • B Heterozygous dominant
  • C Homozygous recessive
  • D Mutants
  • E Co-dominant
View Answer & Explanation