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Thursday, 02 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 41:
An organism that has been extensively used to test the chromosomes theory of heredity is
  • A Drosophila melanogaster
  • B Muscar domestica
  • C Zea mays
  • D Homo sapiens
View Answer & Explanation
Question 42:
A feature associated with the Y-chromosome in human is
  • A Long eyelashes
  • B Prominent fingernails
  • C Facial hairs
  • D Enlarged breast
View Answer & Explanation
Question 43:
The type of reproduction that leads to variation animal and plant population is
  • A Budding
  • B Sexual
  • C Vegetative
  • D Asexual
View Answer & Explanation
Question 44:
An insect with a mandibulate mouth part will obtain its food by
  • A Biting and chewing
  • B Chewing and sucking
  • C Chewing
  • D Sucking
View Answer & Explanation
Question 45:
An argument against Lamarck's theory of evolution is that
  • A Disuse of body part cannot weaken the part
  • B Disused part is dropped off in the offspring
  • C Acquired traits cannot be passed on to the offspring
  • D Trait cannot be acquired through constant use of body parts
View Answer & Explanation