BHU PMT BHU PMT (Mains) Solved Paper-2010

  • question_answer

    Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:

    Which of these are secretory structures?   (1) Hydathodes                    (2) Salt glands                       (3) Nectaries                         (4) Lenticles

    A)  1, 2 and 3 are correct    

    B)  1 and 2 are correct

    C)  2 and 4 are correct         

    D)  1 and 3 are correct

    Correct Answer: A

    Solution :

                     Hydathodes, salt glands, nectaries are secretory structures while lenticles perform the function of exchange of gases during night or when the stomata are closed. Some other secretory structures are lactifers (latex cells and latex vessels), glands (digestive glands, oil glands) resin ducts and the glands secreting gums, mucilage, tannin, etc.


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