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CTET 1 Mar 2026 Paper 1, Question 71

Topic: Our body and health

Q71

Consider the following statements :
(i) Dr. Beaumont is the person who on the basis of his experiments found many secrets about digestion of food.
(ii) He found that a stomach churns the food to digest it with the help of digestive juices secreted by it.
(iii) He also found that the juice in our stomach is basic.
(iv) Dr. Beaumont did experiments on the stomach of the same person for nineteen years.
The correct statements are :

  1. (1) (ii) and (iv)
  2. (2) (i) and (iii)
  3. (3) (i) and (iv)
  4. (4) (i) and (ii)Correct answer

Solution.

CBSE answer: (4)

Answer: (4) (i) and (ii)

  1. (i) is true: Dr Beaumont learnt much about digestion through his experiments on a patient with a hole in his stomach.
  2. (ii) is true: he saw that the stomach churns food while its juices digest it.
  3. (iii) is false: he found the stomach juice to be acidic, not basic.
  4. (iv) is false: his work on that patient ran for about ten years, not nineteen.