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Thursday, 15 October 2026
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Biology Past Questions and Answers

Jamb 1986 Biology Questions

Question 11:
The male cockroach differs from the female by having
  • A Mandibles
  • B A pair of style
  • C Spiracles
  • D A pair of cerci
View Answer & Explanation
Question 12:
The fins making up the limbs of the bony fish are
  • A Caudal and ventral
  • B Ventra and pelvic
  • C Pelvic and pectoral
  • D Pectoral and dorsal
View Answer & Explanation
Question 13:
The stem differs from the root in having the xylem and phloem strands
  • A On the same radii
  • B Scattered
  • C On alternate radii
  • D Towards the pith
View Answer & Explanation
Question 14:
Oxygen liberated during photosynthesis has been demonstrated to come from
  • A Carbondioxide
  • B Air
  • C Water
  • D Chlorophyll
View Answer & Explanation
Question 15:
Which of these is a trace element?
  • A Iron
  • B Copper
  • C Calcium
  • D Sulphur
View Answer & Explanation