AMU Medical AMU Solved Paper-1998

  • question_answer
    The membrane surrounding the vacuole is known as

    A)  cell membrane    

    B)  plasmalemma

    C)  tonoplast        

    D)  chromoplast.

    Correct Answer: C

    Solution :

    : Vacuoles are surrounded by vacuolar membrane or tonoplast. Like plasma membrane this is also made up of unit membrane which is selectively permeable and encloses a solution termed as vacuolar sap. In a young plant cell there present small vacuoles and with the growth of the cell they fuse to form a large central vacuole.


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