2. Sample Papers
  3. 10th Class
  4. Science

10th Class Science Sample Paper Science Olympiad Model Test Paper-4

  • question_answer
    Which one of the following helps to protect the stomach wall from its own secretions of hydrochloric acids?

    A) Pepsin enzyme

    B)        Mucus

    C) Partially digested food

    D) Roughage

    E) None of these

    Correct Answer: B

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