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Friday, 14 August 2026
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Biology Past Questions and Answers

Topic: Invertebrates

Jamb Biology Questions - Invertebrates

Question 6:
Insect show consideration powers of water conservation. This is due to the fact that
  • A The chitinous cuticle is impregnated with tanned protein
  • B Nitrogenous waste is eliminated as urea
  • C Chitin is impermeable to water
  • D The malpighian tubules are impermeable to water
  • E The curticle is covered with wax
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Question 7:
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 8:
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
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Question 9:
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 10:
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
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