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Biology 2009 WAEC Past Questions

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NECO offline past questions - All questions, answers & explanations in one app 25712
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6
The experiment above is used to demonstrate the process of
  • A. transpiration
  • B. water culture
  • C. diffusion
  • D. osmosis
View Answer & Discuss (4) WAEC 2009
7
In plant cells the role of the membrane is played by the
  • A. nucleolus
  • B. cell wall
  • C. cytoplasm
  • D. mitochondrion
View Answer & Discuss (1) WAEC 2009
8
Red blood cells were found to have burst open after being placed in distilled water for an hour. This phenomenon is known as
  • A. plasmolysis
  • B. diffusion
  • C. haemolysis
  • D. wilting
View Answer & Discuss WAEC 2009
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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9
The curvature movement of plants in response to the stimulus of water is called
  • A. hydrotropism
  • B. geotropism
  • C. phototropism
  • D. thigmotropism
View Answer & Discuss WAEC 2009
10
Two organelles directly involved in mitotic cell division are
  • A. nucleus and mitochondrion
  • B. ribosome and nucleus.
  • C. centriole and Golgi apparatus
  • D. nucleus and centriole
View Answer & Discuss WAEC 2009
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