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Biology 1989 WAEC Past Questions

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16
The pilaferous layers is labelled
  • A. I
  • B. II
  • C. III
  • D. IV
  • E. V
View Answer & Discuss WAEC 1989
17
The xylem is labelled
  • A. II
  • B. IV
  • C. V
  • D. VI
  • E. VII
View Answer & Discuss (5) WAEC 1989
18

The part through which manufactured sugar is transported is labeled

  • A. I
  • B. III
  • C. IV
  • D. VII
  • E. VI
View Answer & Discuss (10) WAEC 1989
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19
The loss of water vapour through the aerial parts of the plant to the atmosphere is called
  • A. respiration
  • B. guttation
  • C. osmoregulation
  • D. transpiration
  • E. diffusion.
View Answer & Discuss WAEC 1989
20

The upward movement of the sap in the xylem vessel is brought about by

  • A. transpiration stream
  • B. guttation
  • C. capillarity
  • D. osmosis
  • E. cohesion.
View Answer & Discuss (4) WAEC 1989
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