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Friday, 03 April 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 151:
The following are the activities of the liver except
  • A Production of heat
  • B Manufacture of bile
  • C Detoxication of alcohol and drugs
  • D Maintenance of osmotic balance
  • E Deamination of excess nitrogenous substance
View Answer & Explanation
Question 152:
Infective hepatitis is a disease of the
  • A Heart
  • B Kidney
  • C Liver
  • D Stomach
  • E Pancreas
View Answer & Explanation
Question 153:
The pituitary is regarded as the master gland because
  • A It is locatd in the brain
  • B Its secretion are the most numerous
  • C Its secretion control other endocrine glands
  • D It is the biggest endocrine gland
  • E It controls the activities of the brain
View Answer & Explanation
Question 154:
Growing radicles of seddlings are
  • A Negatively phototropic
  • B Positively phototropic
  • C Negatively geotropic
  • D Negatively hydrotropic
  • E Positively phototactic
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Question 155:
Over-secretion of thyroxin is likely to lead to
  • A Thinness in body
  • B Sluggishness
  • C Cretinism in infant
  • D Reduced metabolism
  • E Dwarfism
View Answer & Explanation