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NEET Biology NEET PYQ-Photosynthesis and Translocation of Organic Solute

  • question_answer
    In \[{{C}_{3}}\] plants, the first stable product of photosynthesis during the dark reaction is: [AIPMT (S) 2004]

    A) malic acid

    B) oxaloacetic acid

    C) 3-phoshoglyceric acid

    D) phosphoglyceraldehyde

    Correct Answer: C

    Solution :

    [C] In \[{{C}_{3}}\] plants the first stable product formed during dark reaction is 3-phosphoglyceric acid. Since it is a 3- carbon compound hence, the pathway is referred as C3 pathway. Oxaloacetic acid (OAA) is the first stable compound in C4 plants. It is a 4C compound.


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