NEET Biology NEET PYQ-Mineral Nutrition In Plants

  • question_answer
    Roots of which plant contains a red pigment which have affinity for oxygen?   [AIPMT 2001]

    A) Carrot

    B) Soyabean

    C)   Mustard

    D) Radish

    Correct Answer: B

    Solution :

    [B] Leghaemoglobin is present in roots of soyabean plants. It is an oxygen-binding haeme protein. Which is present in the cytoplasm of infected nodule cells at high concentrations and gives the nodules a pink colour. It's main function is to help in the transport of \[{{O}_{2}}\] to the respiring symbiotic bacterial cells in a manner analogous to haemoglobin, which transports \[{{O}_{2}}\] to respiring tissues in animals.


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