Categorized as: class-11-biology-unit-16

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? | NCERT solution | Class 11 Biology | Unit-16 Digestion and Absorption

Q.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…

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