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Biology 1986 JAMB Past Questions

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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 & Discuss (9) JAMB 1986
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 & Discuss (1) JAMB 1986
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 & Discuss (7) JAMB 1986
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14
Oxygen liberated during photosynthesis has been demonstrated to come from
  • A. carbondioxide
  • B. air
  • C. water
  • D. chlorophyll
View Answer & Discuss (1) JAMB 1986
15
Which of these is a trace element?
  • A. Iron
  • B. Copper
  • C. Calcium
  • D. Sulphur
View Answer & Discuss (5) JAMB 1986
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