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Biology 2020 WAEC Past Questions

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6

The diagram above is an illustration of the longitudinal section of a plant organ. Study to answer the question below.

 

Food is stored in the part labeled 

 

 

  • A. I
  • B. II
  • C. III
  • D. IV
  • View Answer & Discuss (4) WAEC 2020
    7

    The diagram above is an illustration of the longitudinal section of a plant organ. Study it and answer the question below;

    The plant is a? 

    • A. stem tuber
    • B. bulb
    • C. stolon
    • D. runner
    View Answer & Discuss (6) WAEC 2020
    8

    The diagram below is an illustration of the longitudinal section of a plant organ. Study it and answer the question below;

     

    The part labeled i is the 

    • A. apical bud
    • B. scale leaf
    • C. adventitious root
    • D. fleshy leaf
    View Answer & Discuss (2) WAEC 2020
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    9

    Which of the following materials is not a living semi-permeable membrane?

    • A. pig's bladder
    • B. Unripe pawpaw fruit
    • C. Yam tuber
    • D. Sheet of cellophane
    View Answer & Discuss (6) WAEC 2020
    10

    In an experiment, mould and yeast cells were transferred into an environment with low oxygen concentration. After a few days, the mould dies while the yeast cells did not. Which of the following statements best explains the following observation.

    • A. The yeast cells carried out photosynthesis while the mould did not
    • B. Photosynthesis does not take place in the absence of oxygen
    • C. Respiration can take place in yeast cells in the absence of oxygen
    • D. Respiration does not occur in the mould
    View Answer & Discuss WAEC 2020
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