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Tuesday, 23 June 2026
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Biology Past Questions and Answers

Topic: Animalia

Jamb Biology Questions - Animalia

Question 16:
Which of the following organs produces bile?
  • A Gall bladder
  • B Pancreas
  • C Spleen
  • D Liver
  • E Stomach
View Answer & Explanation
Question 17:
The organ through which food and oxygen are supplied to the human embryo and which also prevents harmful materials from reaching the embryo is the
  • A Amnion
  • B Uterus
  • C Placenta
  • D Umbilical cord
  • E Fallopian tube
View Answer & Explanation
Question 18:
A mosquito which produces eggs which float, and whose larvae lie horizontal to the water surface, also rests at the angle on a vertical surface. This type of mosquito is
  • A Aedes
  • B Anopheles
  • C Culex
  • D Tiger mosquito
  • E None of the above
View Answer & Explanation
Question 19:
Which of the following insects has an incomplete metamorphosis during its life circle?
  • A Butterfly
  • B Bee
  • C Mosquito
  • D House-fly
  • E Grasshopper
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Question 20:
The two types of human tapeworm can be distinguished by the presence or absence of
  • A Scolex
  • B Hook
  • C Head
  • D Sucker
  • E Proglottis
View Answer & Explanation