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    Question

    Each of the following questions consists of two words

    which have a relationship to each other. This is followed by four pairs of related words. Choose the pair which has the same relationship. Oxygen : Respiration
    A Ink : Pen Correct Answer Incorrect Answer
    B Fuel : Combustion Correct Answer Incorrect Answer
    C Food : Cooking Correct Answer Incorrect Answer
    D Battery : Charge Correct Answer Incorrect Answer

    Solution

    Oxygen is essential for respiration, just as fuel is essential for combustion (the process of burning).

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