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EAMCET Medical EAMCET Medical Solved Paper-2000

  • question_answer
    The purple colour formed in the petioles and veins of tomato plants during nitrogen deficiency is due to :

    A)  xanthophylls                                    

    B)  carotenes

    C)  anthocyanins                                   

    D)  leghaemoglobin

    Correct Answer: C

    Solution :

                     Many pigment bearing fruits or vegetables sometimes show their appearance because of deficiency of any element. .e.g., \[{{N}_{3}}\]deficiency causes anthocyanin appearance in petiole and veins of tomato so they show purple colour.


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