Students should refer to Worksheets Class 11 Biology Digestion and Absorption Chapter 16 provided below with important questions and answers. These important questions with solutions for Chapter 16 Digestion and Absorption have been prepared by expert teachers for Class 11 Biology based on the expected pattern of questions in the Class 11 exams. We have provided Worksheets for Class 11 Biology for all chapters on our website. You should carefully learn all the important examinations questions provided below as they will help you to get better marks in your class tests and exams.
Digestion and Absorption Class 11 Biology Worksheet
Question. Which of the following is not the function of large intestine?
(a) Absorption of some water, minerals and certain drugs.
(b) Nutrient absorption
(c) Secretion of mucus to lubricate faeces
(d) Temporary storage of faeces in rectum
Answer
B
Question. Which of the following processes is aided by the bile salts ?
Nuclease Nucleositidase Nucleotidase
(a) Nucleic acid → Nucleotides → Nucleosides → Sugar + bases
Sucrase
(b) Sucrose → Glucose + Fructose
Lipase Lipase
(c) Fat s → Diglycerides → Monoglycerides
Proteins Trypsin/Chymotrypsin
(d) Peptones } → Dipeptides
Proteoses Carboxypeptidase
Answer
C
Question. In addition to neural control, hormones also influence the :-
(a) gastric secretions
(b) intestinal secretions
(c) muscular activities of different parts of alimentary canal
(d) All of these
Answer
D
Question.
Anatomical regions of human stomach are :-
(a) A-Fundus; B-Pyloric; C-Cardia; D-Body
(b) A-Cardia; B-Fundus; C-Pyloric; D-Body
(c) A-Fundus; B-Cardia; C-Pyloric; D-Body
(d) A-Pyloric; B-Fundus; C-Cardia; D-Body
Answer
C
Question. Which of the following statement is false ?
(a) The break down of most of biomacromolecules occurs in duodenum.
(b) Simple substances (digested foods) are absorbed in the jejunum and ileum.
(c) Very significant digestive acitivity occurs in large intestine.
(d) Undigested and unabsorbed substances are passed into the large intestine.
Answer
C
Question. Which of the following statement is incorrect?
I. Absorption of simple sugar, alcohol, some water and medicines takes place in stomach.
II. Maximum water absorption occurs in small intestine.
III. Small intestine is the major site of digestion and absorption of food.
IV. Fatty acid and glycerol are absorbed by lacteals.
V. Nothing is absorbed in mouth and large intestine.
(a) I, IV and V
(b) V
(c) IV
(d) II and III
Answer
B
Question. Which of the following statement is incorrect?
(a) Faecal accumulation in the rectum initiates a neural reflex causing an urge for its removal.
(b) Reflex action for vomiting is controlled by medulla.
(c) Irregular bowel movements causes constipation
(d) In diarrhoea the absorption of food get enhanced
Answer
D
Question. Match the columns and choose the correct option :-
| Column-I | Column-II |
| A Salivary amylase | I Proteins |
| B Bile Salts | II Milk protein |
| C Rennin | III Starch |
| D Pepsin | IV Lipids |
(a) A-III, B-IV, C-II, D-I
(b) A-III, B-IV, C-I, D-II
(c) A-IV, B-III, C-II, D-I
(d) A-I, B-II, C-III, D-IV
Answer
A
