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Biology - Exemplar

16. Digestion and Absorption

1. The Living World
2. Biological Classification
3. Plant Kingdom
4. Animal Kingdom
5. Morphology of Flowering Plants
6. Anatomy of Flowering Plants
7. Structural Organisation in Animals
8. Cell : The Unit of Life
9. Biomolecules
10. Cell Cycle and Cell Division
11. Transport in Plants
12. Mineral Nutrition
13. Photosynthesis in Higher Plants
14. Respiration in Plants
15. Plant Growth and Development
16. Digestion and Absorption
17. Breathing and Exchange of Gases
18. Body Fluids and Circulation
19. Excretory Products and Their Elimination
20. Locomotion and Movement
21. Neural Control and Coordination
22. Chemical Coordination and integration
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Q. 14.3( 3 Votes )

What is pancreas? Mention the major secretions of pancreas that are helpful in digestion.

Class 11th Biology - Exemplar 16. Digestion and Absorption

Answer :

Pancreas is a compound elongated organ situated between the limbs of the ‘U’ shaped duodenum.

The exocrine portion secretes an alkaline pancreatic juice containing enzymes and the endocrine portion secretes hormones, insulin and glucagon.

These secretions are major and are helpful in digestion.

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PREVIOUSCorrect the following statements by deleting one of entries (given in bold).a. Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin / mucus.b. Fats are broken down into di- and monoglycerides with the help of amylase/ lipases.c. Gastric glands of stomach mucosa have oxyntic cell / chief cells which secrete HCl.d. Saliva contains enzymes that digest starch /protein.NEXTName 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?

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