7th Class Science Nutrition in Animals Question Bank Nutrition in Animals

  • question_answer
    Which of the following describes of plaque?

    A)  It is hard, protective covering on the tooth.

    B)  It is soft covering of the tooth which is present below the visible part.

    C)  It is the cavity which contains nerves and blood vessels in a tooth.

    D)  It is sticky film of food and bacteria near the gums.

    Correct Answer: D

    Solution :

    Plaque is sticky film of food and bacteria near the gums.


You need to login to perform this action.
You will be redirected in 3 sec spinner