Match the digestive glands given in Column - I with their respective enzymes given in Column — II and choose the correct combination from the given options, Column I Column II (1) Pancreas (p) Pepsin (2) Gastric glands (q) Enterokinase (3) Small intestine (r) Ptyalin (4) Salivary glands (s) Trypsin Choose the correct option:-

( 1 ) - ( s ) , ( 2 ) - ( p ) , ( 3 ) - ( q ) , ( 4 ) - ( r )

( 1 ) - ( p ) , ( 2 ) - ( q ) , ( 3 ) - ( r ) , ( 4 ) - ( s )

( 1 ) - ( r ) , ( 2 ) - ( q ) , ( 3 ) - ( p ) , ( 4 ) - ( s )

( 1 ) - ( q ) , ( 2 ) - ( s ) , ( 3 ) - ( r ) , ( 4 ) - ( p )

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

EASY

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The given flowchart shows the fate of carbohydrates during digestion in the human alimentary canal. Identify the enzymes acting at stages indicated as A, B, C and D and select the correct option.

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Important Questions on Digestion and Absorption

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Which one of the following statements is true about trypsinogen?

MEDIUM

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Which of the following statements is not correct?

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

The initial step in the digestion of milk in human is carried out by?

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Gastric juice of infants contains:

MEDIUM

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Give an example of a proteolytic enzyme.

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Identify the CORRECT match of the site of action on food substrate, enzyme acting on it and its end products in the following reactions.

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

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

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

An enzyme with optimal activity at

pH 2.0

and

37 ° C

is most likely to be:

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Which of the following anions neutralize the acidic pH of the chyme that enters into the duodenum from the stomach?

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

In the stomach, gastric acid is secreted by the

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

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

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Removal of the pancreas impairs the breakdown of

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Which hormones do stimulate the production of pancreatic juice and bicarbonate?

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Which ONE of the following statements about rennin is CORRECT?

MEDIUM

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Match the following

	List - I		List - II
(a)	Villikinin	(i)	Stimulates the secretion of $HCl$ and pepsinogen
(b)	Secretin	(ii)	Stimulates the secretions of $H_{2} O$ and ${HCO}_{3}^{-}$
(c)	Gastrin	(iii)	Stimulates intestinal epithelial movement to increase nutrient absorption
(d)	Cholecystokinin	(iv)	Stimulates the secretion of pancreatic enzymes and bile juice

The correct answer is

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Digestion of both starch and proteins is carried out by enzymes of

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Match the digestive glands given in Column - I with their respective enzymes given in Column — II and choose the correct combination from the given options,

	Column I		Column II
(1)	Pancreas	(p)	Pepsin
(2)	Gastric glands	(q)	Enterokinase
(3)	Small intestine	(r)	Ptyalin
(4)	Salivary glands	(s)	Trypsin

Choose the correct option:-

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

The enzyme that is not present in succus entericus is:

HARD

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

An octapeptide (

{NH}_{2}

-Asn-Glu-Tyr-Lys-Trp-Met-Glu-Gly) is subjected to complete protease and chemical digestion. Based on the results obtained, choose the incorrect option from below.

EASY

Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

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.

The given flowchart shows the fate of carbohydrates during digestion in the human alimentary canal. Identify the enzymes acting at stages indicated as A, B, C and D and select the correct option.

Important Questions on Digestion and Absorption

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