मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान इयत्ता ११

Mark the right statement among the following

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प्रश्न

Mark the right statement among the following

पर्याय

  • Trypsinogen is an inactive enzyme

  • Trypsinogen is secreted by intestinal mucosa

  • Enterokinase is secreted by pancreas

  • Bile contains trypsin

MCQ
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उत्तर

Trypsinogen is an inactive enzyme

Explanation:

Enzyme trypsinogen is secreted by the pancreas in inactive form. It is activated by enterokinase in the small intestine.

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पाठ 16: Digestion and Absorption - Exercises [पृष्ठ ९३]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 11
पाठ 16 Digestion and Absorption
Exercises | Q 10. | पृष्ठ ९३

संबंधित 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


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

How does pepsinogen change into its active form?


Answer briefly:

How does bile help in the digestion of fats?


Describe the process of digestion of protein in stomach.


Bile juice contains no digestive enzymes, yet it is important for digestion. Why?


Describe the digestive role of chymotrypsin. What two other digestive enzymes of the same category are secreted by its source gland?


How are polysaccharides and disaccharides digested?


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?


Define digestion in one sentence.


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

Saliva contains enzymes that digest starch/protein.


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 are the activities of gastro-intestinal tract regulated?


Describe the enzymatic action on fats in the duodenum.


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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