Class 11 Biology NCERT Solutions For Chapter 16 Digestion and Absorption

Download NCERT Solutions for Class 11 Biology

Chapter 16 Digestion and Absorption

(Link of Pdf File is given below at the end of the Questions list)

In this pdf file you can see answers of following Questions

Question 1:
Choose the correct answer among the following:
(a) Gastric juice contains
(i) pepsin, lipase and rennin
(ii) trypsin lipase and rennin
(iii) trypsin, pepsin and lipase
(iv) trypsin, pepsin and renin
(b) Succus entericus is the name given to
(i) a junction between ileum and large intestine
(ii) intestinal juice
(iii) swelling in the gut
(iv) appendix
Question 2:
Match column I with column II

Question 3:
Answer briefly:
(a) Why are villi present in the intestine and not in the stomach?
(b) How does pepsinogen change into its active form?
(c) What are the basic layers of the wall of alimentary canal?
(d) How does bile help in the digestion of fats?
Question 4:
State the role of pancreatic juice in digestion of proteins.
Question 5:
Describe the process of digestion of protein in stomach.
Question 6:
Given the dental formula of human beings
Question 7:
Bile juice contains no digestive enzymes, yet it is important for digestion. Why?
Question 8:
Describe the digestive role of chymotrypsin. What two other digestive enzymes of
the same category are secreted by its source gland?
Question 9:
How are polysaccharides and disaccharides digested?
Question 10:
What would happen if HCl were not secreted in the stomach?
Question 11:
How does butter in your food gets digested and absorbed in the body?
Question 12:
Discuss the main steps in the digestion of proteins as the food passes through
different parts of the alimentary canal.

Question 13:
Explain the term thecodont and diphyodont.

Question 14:
Name different types of teeth and their number in an adult human.
Question 15:
What are the functions of liver?

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