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Tuesday, 18 August 2026
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Biology Past Questions and Answers

Topic: Variation In Population

Jamb Biology Questions - Variation In Population

Question 41:
A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller?
  • A 100%
  • B 75%
  • C 50%
  • D 25%
View Answer & Explanation
Question 42:
Use the diagram above to answer this question.In which plantation are all the trees between the height of 2-4m?
  • A Lll
  • B Ll
  • C L
  • D LV
View Answer & Explanation
Question 43:
The number of alleles controlling blood groups in humans
  • A 3
  • B 4
  • C 5
  • D 2
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Question 44:
During blood transfusion, agglutination may occur as a result of the reaction between
  • A Contrasting antigens and antibodies
  • B Two different antigens
  • C Two different antibodies
  • D Similar antigens and antibodies
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Question 45:
Which of the following is true in blood transfusion?
  • A Person of blood group AB can donate blood only to another person of blood group AB
  • B Persons of blood groups A and B can donate or receive blood from each other
  • C A person of blood group AB acn receive blood only from persons of blood group A or B
  • D A person of blood group O can donate only to a person of blood group O
View Answer & Explanation