Podcast
Questions and Answers
What is the primary function of HCl in the stomach?
What is the primary function of HCl in the stomach?
- To kill bacteria in the food (correct)
- To protect vital cells from acidic pH
- To increase the pH of the mouth
- To secrete highly acidic substance for self defense
Which of the following statements is true about Litmus solution?
Which of the following statements is true about Litmus solution?
- It is a solution of different dyes obtained from lichen plants (correct)
- It is a solution of different acids obtained from lichen plants
- It is a solution of different bases obtained from lichen plants
- It is a solution of different salts obtained from lichen plants
What happens to the pH of the mouth when sour or sweet food is consumed?
What happens to the pH of the mouth when sour or sweet food is consumed?
- The pH of the mouth decreases (correct)
- The pH of the mouth remains constant
- The pH of the mouth increases
- The pH of the mouth becomes neutral
What is the normal pH range of the human body?
What is the normal pH range of the human body?
What is the function of a buffer solution?
What is the function of a buffer solution?
Which of the following indicators turns red in acidic medium?
Which of the following indicators turns red in acidic medium?
Which of the following animals secretes highly acidic substance for self defense?
Which of the following animals secretes highly acidic substance for self defense?
What happens to the color of red litmus when it comes into contact with a base?
What happens to the color of red litmus when it comes into contact with a base?
What is the purpose of the inner lining of the stomach?
What is the purpose of the inner lining of the stomach?
What is the significance of pH in the human body?
What is the significance of pH in the human body?