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Tuesday, 23 June 2026
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Biology Past Questions and Answers

Topic: Animalia

Jamb Biology Questions - Animalia

Question 21:
Accommodation of the human eye is best described as the
  • A Ability to see distant objects
  • B Movement of upper and lower eyelids
  • C Focusing of near and distant objects
  • D Changing of lens shape due to varying light intensities
  • E Constant adjustment of the iris
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Question 22:
The correct route for a piece of bread eaten by a mammal is
  • A Oral cavity - oesophagus - stomach - ileum - rectum
  • B Oral - cavity - stomach - oesophagus - duodenum - ileum - rectum
  • C Oral cavity - oesophagus - duodenum - rectum
  • D Oral cavity - oesophagus - ileum - stomach - duodenum - rectum
  • E Oral cavity - oesophagus - stomach - ileum - duodenum - rectum
View Answer & Explanation
Question 23:
The thoracic vertebrae of a mammal is characterized by the
  • A Vertebraterial canal
  • B Prominent neural arch
  • C Prominent transverse
  • D Prominent neural spine
  • E Prominent centrum
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Question 24:
A tapeworm has no alimentary canal because
  • A It is autotrophic
  • B It does not feed
  • C It has no enzymes
  • D Its body absorbs digested food
  • E The suckers on the scolex suck blood
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Question 25:
Which of these statements is NOT true of insects?
  • A They are anthropods
  • B Their body is divide into three distinct regions of head, thorax and abdomen
  • C Their thorax comprises three segments, only two of which bear a pair of appendages each
  • D Respiration is by means of trachea
  • E They undergo metamorphosis
View Answer & Explanation