Which of the following is/are incorrectly matched?

Hydrochloric acid - kills germs in food

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Pepsin - regulates pH for digestion

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Mucus - protects the stomach wall

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Pepsin - converts peptones to proteins

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Solution

The correct options are
B
Pepsin - regulates pH for digestion

D
Pepsin - converts peptones to proteins

Pepsin is involved in digestion where it helps in the conversion of proteins to peptones. Hydrochloric acid helps in killing germs present in food and regulates the pH required for digestion and mucus protects the wall of the stomach.

Suggest Corrections

Similar questions

Choose the correct statements regarding the gastric juices.

I. Pepsin converts proteins into peptones partially.

II. Hydrochloric acid kills the germs present in food and regulates pH for digestion in the stomach.

III. Mucus protects the stomach wall from the action of digestive juices.

Q. Assertion :If HCl is not secreted, digestion of proteins in the stomach will be impaired. Reason: Acidic pH is required for function of pepsin and renin.

Pepsin digests the whole protein in food.

Question 6
The inner lining of the stomach is protected by one of the following from hydrochloric acid. Choose the correct one.

(a) Pepsin
(b) Mucus
(c) Salivary amylase
(d) Bile

Q. Identify the missing options regarding the physiology of digestion in the stomach:

\begin{matrix} Secretion & Action & Product Salivary amylase & i) & Decrease of pH by HCl HCl & ii) & Chyme Pepsinogen, Prorennin & iii) & Pepsin, rennin Proteins & iv) & Proteoses and Peptones \end{matrix}

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