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Chapters
Chapter 2: Biological Classification
Chapter 3: Plant Kingdom
Chapter 4: Animal Kingdom
Chapter 5: Morphology of Flowering Plants
Chapter 6: Anatomy of Flowering Plants
Chapter 7: Structural Organisation in Animals
Chapter 8: Cell : the Unit of Life
Chapter 9: Biomolecules
Chapter 10: Cell Cycle and Cell Division
Chapter 11: Transport in Plants
Chapter 12: Mineral Nutrition
Chapter 13: Photosynthesis in Higher Plants
Chapter 14: Respiration in Plants
Chapter 15: Plant Growth and Development
Chapter 16: Digestion and Absorption
Chapter 17: Breathing and Exchange of Gases
Chapter 18: Body Fluids and Circulation
Chapter 19: Excretory Products and Their Elimination
Chapter 20: Locomotion and Movement
Chapter 21: Neural Control and Coordination
Chapter 22: Chemical Coordination and Integration
Chapter 16: Digestion and Absorption
NCERT solutions for Biology Exemplar class 11 Chapter 16 Digestion and Absorption Exercises [Pages 91 - 95]
MULTIPLE CHOICE QUESTIONS
Which of the following is not true of intestinal villi?
They possess microvilli
They increase the surface area
They are supplied with capillaries and the lacteal vessels
They only participate in digestion of fats
Hepato-pancreatic duct opens into the duodenum and carries ______.
Bile
Pancreatic juice
Both bile and pancreatic juice
Saliva
Which of the following is not a common disorder associated with digestive system?
Tetanus
Diarrhoea
Jaundice
Dysentery
A gland not associated with the alimentary canal is ______.
Pancreas
Adrenal
Liver
Salivary glands
Match the two columns and select the correct among options given
| Column I | Column II |
| A. Biomacromolecules of food | i. Alimentary canal and associated gland |
| B. Human digestive system | ii. Embedded in jawbones |
| C. Stomach | iii. Outer wall of visceral organs |
| D. Thecodont | iv. Converted into simple substances |
| E. Serosa | v. J-shaped bag like structure |
A - ii, B - i, C - v, D - iii, E - iv
A - iv, B - i, C - v, D - ii, E - iii
A - i, B - ii, C - iii, D - iv, E - v
A - i, B - iii, C - ii, D - iv, E - v
Match the two columns and select the right one among options given
| Column I | Column II |
| A. Duodenum | i. A cartilaginous flap |
| B. Epiglottis | ii. Small blind sac |
| C. Glottis | iii. ‘U’ shaped structure emerging from the stomach |
| D. Caecum | iv. Opening of wind pipe |
A - i, B - ii, C - iii, D - iv
A - iv, B - iii, C - ii, D - i
A - iii, B - i, C - iv, D - ii
A - ii, B - iv, C - i, D - iii
Match the enzyme with their respective substrate and choose the right one among options given
| Column I | Column II |
| A. Lipase | i. Carbohydrates |
| B. Nuclease | ii. Fats |
| C. Carboxypeptidase | iii. Nucleic acids |
| D. Glycoridases | iv. Proteins, peptones and proteoses |
A - ii, B - iii, C - i, D - iv
A - iii, B - iv, C - ii, D - i
A - iii, B - i, C - iv, D - ii
A - ii, B - iii, C - iv, D - i
Dental formula in human beings is ______.
3 2 2 3
3 2 2 32 1 2 3
2 1 2 31 2 3 2
1 2 3 22 2 3 3
2 2 3 3
Liver is the largest gland and is associated with various functions. Choose which is not correct from the following.
Metabolism of carbohydrate
Digestion of fat
Formation of bile
Secretion of hormone called gasotrin
Mark the right statement among the following
Trypsinogen is an inactive enzyme
Trypsinogen is secreted by intestinal mucosa
Enterokinase is secreted by pancreas
Bile contains trypsin
VERY SHORT ANSWER TYPE QUESTIONS
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?
In which part of alimentary canal does absorption of water, simple sugars and alcohol takes place?
Name the enzymes involved in the breakdown of nucleotides into sugars and bases?
Define digestion in one sentence.
What do we call the type of teeth attachment to jaw bones in which each tooth is embedded in a socket of jaws bones?
Stomach is located in upper left portion of the abdominal cavity and has three major parts. Name these three parts.
Does gall bladder make bile?
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.
Correct the following statement by deleting one of entries (given in bold).
Gastric glands of stomach mucosa have oxyntic cell/chief cells which secrete HCl.
Correct the following statement by deleting one of entries (given in bold).
Saliva contains enzymes that digest starch/protein.
SHORT ANSWER TYPE QUESTIONS
What is pancreas? Mention the major secretions of pancreas that are helpful in digestion.
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?
List the organs of human alimentary canal and name the major digestive glands with their location.
What is the role of gall bladder? What may happen if it stops functioning or is removed?
Correct the statement given below by the right option shown in the bracket against them.
Absorption of amino acids and glycerol takes place in the. (small intestine/ large intestine)
Correct the statement given below by the right option shown in the bracket against them.
The faeces in the rectum initiate a reflex causing an urge for its removal. (neural/hormonal)
Correct the statement given below by the right option shown in the bracket against them.
Skin and eyes turn yellow in infection. (liver /stomach)
Correct the statement given below by the right option shown in the bracket against them.
Rennin is a proteolytic enzyme found in gastric juice in (infants/adults).
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)
Correct the statement given below by the right option shown in the bracket against them.
Dipeptides, disaccharides and glycerides are broken down into simple substances in region of small intestine. (jejunum/duodenum)
What are three major types of cells found in the gastric glands? Name their secretions.
How is the intestinal mucosa protected from the acidic food entering from stomach?
How are the activities of gastro-intestinal tract regulated?
Distinguish between constipation and indigestion. Mention their major causes.
Describe the enzymatic action on fats in the duodenum.
LONG ANSWER TYPE QUESTIONS
A person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal.
What are the various enzymatic types of glandular secretions in our gut helping digestion of food? What is the nature of end products obtained after complete digestion of food?
Discuss mechanisms of absorption.
Discuss the role of hepatic – pancreatic complex in digestion of carbohydrate, protein and fat components of food.
Explain the process of digestion in the buccal cavity with a note on the arrangement of teeth.
Chapter 16: Digestion and Absorption
NCERT solutions for Biology Exemplar class 11 chapter 16 - Digestion and Absorption
NCERT solutions for Biology Exemplar class 11 chapter 16 (Digestion and Absorption) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Biology Exemplar class 11 solutions in a manner that help students grasp basic concepts better and faster.
Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.
Concepts covered in Biology Exemplar class 11 chapter 16 Digestion and Absorption are Alimentary Canal, Role of Digestive Enzymes and Gastrointestinal Hormones, Peristalsis, Digestion, Absorption and Assimilation of Proteins, Carbohydrates and Fats, Calorific Values of Proteins, Calorific Values of Carbohydrates, Calorific Values of Fats, Egestion of Food, Nutritional and Digestive Tract Disorders, Digestive Glands, Digestion of Food, Absorption of Digested Products, Introduction of Digestion and Absorption, Digestion and Absorption Questions.
Using NCERT Class 11 solutions Digestion and Absorption exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 11 prefer NCERT Textbook Solutions to score more in exam.
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