Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    In an experiment demonstrating the evolution of oxygen in Hydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable?

    A)  Amount of oxygen evolved decreases as carbon dioxide in water is absorbed by sodium bicarbonate

    B)  Amount of oxygen evolved increases as the availability of carbon dioxide increases

    C)  Amount of oxygen evolved decreases as the availability of carbon dioxide increases.

    D)  Amount of oxygen evolved increases as carbon dioxide in water is absorbed by sodium bicarbonate

    Correct Answer: B

    Solution :

     The addition of\[NaHC{{O}_{3}}\]to water in the given experimental set-up causes the availability of more\[C{{O}_{2}}\]for phtosynthesis. Thus, amount of oxygen evolved increases.


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