CMC Medical CMC-Medical Ludhiana Solved Paper-2014

  • question_answer
    Pollens are preserved for long time in fossils due to presence of

    A)  pectocellulose                 

    B)  cuticle

    C)  sporopollenin                  

    D)  germ pores

    Correct Answer: C

    Solution :

                    Pollen is composed of an outer thick tough exine composed of sporopollenin. It is highly resistant to biological and physical decomposition due to which pollens are preserved for a long time in fossils. Inner layer inline is made of pecto cellulose.


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