Match the following structures with their respective location in organs: Column – I Column – II ( a ) Crypts of Lieberkuhn ( i ) Pancreas ( b ) Glisson’s capsule ( i i ) Duodenum ( c ) Islets of Langerhans ( i i i ) Small intestine ( d ) Brunner’s Glands ( i v ) Liver Select the correct option.

a - i i i ; b - i v ; c - i ; d - i i

a - i i i ; b - i ; c - i i ; d - i v

a - i i ; b - i v ; c - i ; d - i i i

a - i i i ; b - i i ; c - i ; d - i v

MEDIUM

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Intestinal villi are more numerous and larger in the posterior part of small intestine than in the anterior part because

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Important Questions on Digestion and Absorption

MEDIUM

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

In a T. S. of the human small intestine, serosa is the outermost layer and is made up of a thin __A__. Muscularis is formed by the smooth muscles arranged outer __B__ and inner __C__. Sub-mucosa is formed by the __D__. Mucosa is the innermost layer made of __E__.

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Match the following structures with their respective location in organs:

	Column – I		Column – II
$(a)$	Crypts of Lieberkuhn	$(i)$	Pancreas
$(b)$	Glisson’s capsule	$(i i)$	Duodenum
$(c)$	Islets of Langerhans	$(i i i)$	Small intestine
$(d)$	Brunner’s Glands	$(i v)$	Liver

Select the correct option.

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Intrinsic factor that helps in the absorption of vitamin

B_{12}

is secreted by:

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Which of the following guards the opening of the hepatopancreatic duct into the duodenum?

MEDIUM

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Which of the following statements is not correct?

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

The crypts of Lieberkuhn are found in which one of the following parts of the human digestive tract?

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

The proteolytic enzyme rennin is found in:

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

The enzyme enterokinase helps in conversion of

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

In the digestive system, the pH of the stomach and the intestine, respectively are:

MEDIUM

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

A baby boy aged two years is admitted to playing school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

The enzyme that is not present in succus entericus is:

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Which ONE of the following is NOT a function of the small intestine?

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Which of the following options best represents the enzyme composition of pancreatic juice?

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Following are different layers in the wall of the alimentary canal of man
I) Longitudinal muscles
II) Mucosa
III) Serosa
IV) Circular muscles
V) Submucosa

Arrange them in the correct sequence from the outer to the inner side

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.

EASY

Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Removal of the pancreas impairs the breakdown of

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Biology>Human Physiology>Digestion and Absorption>Alimentary Canal and Digestive Glands

Study the following diagram of human tongue and identify the part I, II, and III

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