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Tuesday, 23 June 2026
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Biology Past Questions and Answers

Biology Questions

Question 676:
JAMB 1990
The salinity of a brackish enviroment
SchoolNGR Classroom
  • A Increases immediately after rain
  • B Increase at the end of rainy season
  • C Decrease with increase in micro-organisms
  • D Increase during dry season
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Question 677:
JAMB 1990
Physiological adaptation to very dry condition in animals is called
SchoolNGR Classroom
  • A Hibernation
  • B Aestivation
  • C Rejuvenation
  • D Xeromorphism
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Question 678:
JAMB 1990
Which set of disease is spread mainly by insect vectors?
SchoolNGR Classroom
  • A Cholera, tenia and gonorrhoea
  • B Poliomyelitis, tuberculosis and syphilis
  • C Cholera, malaria and tuberculosis
  • D Malaria, cholera and river blindness
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Question 679:
JAMB 1990
Which of the following constitute pollution?
SchoolNGR Classroom
  • A Droppings from birds
  • B Loud disco sound
  • C A pack of cigarettes
  • D Refuse in an incinerator
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Question 680:
JAMB 1990
An acidic soil can be improved upon by
SchoolNGR Classroom
  • A Sedimentation
  • B Leaching
  • C Flocculation
  • D Watering
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