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Tuesday, 07 July 2026
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Biology Past Questions and Answers

Jamb 2000 Biology Questions

Question 21:
The production of violet colouration, when dilute NaOH solution is added to a solution of food substance, followed by drops of 1% CuSO4 solution while shaking, indicates the presence of
  • A Protein
  • B Carbohydrates
  • C Fats
  • D Reducing
View Answer & Explanation
Question 22:
The greatest amount of energy will be obtained by the oxidation of 100kg of
  • A Meat
  • B Butter
  • C Sugar
  • D Biscuits
View Answer & Explanation
Question 23:
The chamber of the mammalian heart with the thickest wall is the
  • A Right ventricles
  • B Left auricle
  • C Right auricle
  • D Left ventricle
View Answer & Explanation
Question 24:
Serum differs from blood plasma because
  • A Contains blood cells and fibrinogen
  • B Contains soluble food and mineral salt
  • C Lacks the blood protein and fibrinogen
  • D Lacks blood cells and albumin
View Answer & Explanation
Question 25:
The fruit represented is mainly dispersed by
  • A Animals
  • B Water
  • C Wind
  • D Birds
View Answer & Explanation