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3861
The structure of the cell membrane is a
  • A. double layer and a double protein layer
  • B. middle bi-layer of protein with a lipid layer on either surface
  • C. middle bi-layer of lipid with a protein layer on either surface
  • D. protein layer with two inner lipid layers
View Answer & Discuss (2) WAEC 2015
3862
Which of the following cells is a specialized cell?
  • A. Amoeba
  • B. Plasmodium
  • C. Guard cell
  • D. Meristematic cell
View Answer & Discuss (4) WAEC 2015
3863
When a Spirogyra filament is placed in a concentrated salt solution for 30 minutes, the cell would become
  • A. plasmolysed
  • B. turgid
  • C. shortened
  • D. elongated
View Answer & Discuss (2) WAEC 2015
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3864
Water and salts are both lost from the human body in
  • A. breath and sweat
  • B. breath and Urine
  • C. breath, urine and sweat
  • D. sweat and urine
View Answer & Discuss (5) WAEC 2015
3865
Which of the following features could be used to determine the growth of a seedling?
  • A. Number of flowers
  • B. Number of leaves
  • C. Length of flowers
  • D. Length of radicle
View Answer & Discuss WAEC 2015
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