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Choose the Correct Answer Among the Following: Gastric Juice Contains - Biology

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प्रश्न

Choose the correct answer among the following:

Gastric juice contains

 (i) pepsin, lipase and rennin

 (ii) trypsin lipase and rennin

 (iii) trypsin, pepsin and lipase

 (iv) trypsin, pepsin and renin

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उत्तर

(i) Pepsin, lipase, and rennin

Gastric juice contains pepsin, lipase, and rennin. Pepsin is secreted in an inactive form as pepsinogen, which is activated by HCl. Pepsin digests proteins into peptones. Lipase breaks down fats into fatty acids. Rennin is a photolytic enzyme present in the gastric juice. It helps in the coagulation of milk

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 16: Digestion and Absorption - Exercises [पृष्ठ २६७]

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एनसीईआरटी Biology [English] Class 11
अध्याय 16 Digestion and Absorption
Exercises | Q 1.1 | पृष्ठ २६७

संबंधित प्रश्न

Match column I with column II

  Column I   Column II
a Bilirubin and biliverdin 1 Parotid
b Hydrolysis of starch 2 Bile
c Digestion of fat 3 Lipases
d Salivary gland 4 Amylases

Describe the process of digestion of protein in stomach.


What would happen if HCl were not secreted in the stomach?


How does butter in your food gets digested and absorbed in the body?


Name different types of teeth and their number in an adult human.


Which of the following sphincter controls the passage of food into the stomach?


Emulsification of fats is brought about by ______.


The food mixes thoroughly with the acidic gastric juice of the stomach by the churning movements of its muscular wall. What do we call the food then?


Trypsinogen is an inactive enzyme of pancreatic juice. An enzyme, enterokinase, activates it. Which tissue/ cells secrete this enzyme?/ How is it activated?


Correct the following statement by deleting one of entries (given in bold).

Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus.


Correct the following statement by deleting one of entries (given in bold).

Fats are broken down into di- and monoglycerides with the help of amylase/ lipases.


Name the part of the alimentary canal where major absorption of digested food takes place. What are the absorbed forms of different kinds of food materials?


Correct the statement given below by the right option shown in the bracket against them.

Pancreatic juice and bile are released through. (intestine- pancreatic/hepato-pancreatic duct)


How is the intestinal mucosa protected from the acidic food entering from stomach?


How are the activities of gastro-intestinal tract regulated?


A person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal.


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