NEET Sample Paper NEET Sample Test Paper-40

  • question_answer
    The wavelength of light absorbed by Pr form of phytochrome is:

    A)  620 nm                       

    B)  640 nm

    C)  680 nm                       

    D)  720 nm

    Correct Answer: D

    Solution :

     The Pr form absorbs light between 660 and 680 nm and absorbs at a peak of 666 nm. This form is synthesized in dark-grown seedlings. When Pr absorbs red light, it is converted to the Pfr form.


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