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CMC Medical CMC-Medical VELLORE Solved Paper-2009

  • question_answer
    One of the most resistant known biological material is

    A)  lignin                                   

    B)  hemicellulose

    C)  sporopollenin                  

    D)  lignocelluloses

    Correct Answer: C

    Solution :

                    Spornpollenin is the most resistant known biological material, found in the exine of pollen grains- It is resistant to chemical and microbial decomposition. Due to it, the pollen grains are well preserved during fossilization.


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