Manipal Medical Manipal Medical Solved Paper-2008

  • question_answer
    Oxygen which is liberated during photosynthesis, comesfrom

    A)  \[C{{O}_{2}}\]

    B)  \[{{H}_{2}}O\]

    C)  chlorophyll

    D)  phosphoglyceric acid

    Correct Answer: B

    Solution :

     Oxygen,   which   is   liberated   during photosynthesis comes from\[{{H}_{2}}O.C{{O}_{2}}\]is reduced to form carbohydrate during photosynthesis. Chlorophyll is Mg containing green pigment which helps in photosynthesis. Phosphoglyceric acid is the first stable product of photosynthesis in\[{{C}_{3}}\]plants. \[4{{H}_{2}}O4{{H}^{+}}+4O{{H}^{-}}\] \[4O{{H}^{-}}\xrightarrow[{}]{M{{n}^{+}},C{{l}^{-}}}2{{H}_{2}}O+{{O}_{2}}\uparrow +4{{e}^{-}}\]


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