BHU PMT BHU PMT Solved Paper-2003

  • question_answer
    The form of pigment which inhibits germination is

    A) \[{{\text{P}}_{\text{76}0}}\]                                      

    B) \[{{\text{P}}_{\text{73}0}}\]

    C)  \[{{P}_{650}}\]                                

    D)  All of these

    Correct Answer: C

    Solution :

                     The seed germination is promoted by red wavelength (650 nm) and inhibited by far red (730 nm). This is due to the pigment phytochrome. Phytochrome is a proteinaceous pigment present in green flowering plants. It exist in two form. \[{{P}_{730}}{{P}_{650}}\]


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