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Humans cannot digest the protein keratin.

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Important Questions on Digestion and Absorption

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Biology>Human Physiology>Digestion and Absorption>Digestion of Food
The enzyme that is not present in succus entericus is:
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food

 Identify the ODD term in each set and name the CATEGORY to which the remaining three belong:

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Biology>Human Physiology>Digestion and Absorption>Digestion of Food
The initial step in the digestion of milk in human is carried out by?
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Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Which ONE of the following statements about rennin is CORRECT?
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Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Removal of the pancreas impairs the breakdown of
MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Enterohepatic circulation of bile salts refers to
a) Circulation of bile juice between gall bladder and the liver through the cystic duct.
b) Combining of bile acids with sodium to form bile salts.
c) Bile salts after emulsification are absorbed back into the blood and are used in the liver for bile juice.
d) Bile salts of chylomicrons are released into the blood and are carried to the liver where they are not used in the formation of bile juice.
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Which of the following options best represents the enzyme composition of pancreatic juice?
MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Read the following (A-D) statements:

(A) In the stomach, the food is called the chyme.
(B) Bile helps in emulsification of protein.
(C) Absorption of water, simple sugars and alcohol takes place in the stomach.
(D) The physiologic value of protein is 5.65 Kcal/g.

How many of the above statements are wrong?
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Which of the following is not the end product of digestion?
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
If the pH of the stomach is 1.8, then which enzyme will digest protein?
MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Dipeptides →A Amino acid

Maltose →B Glucose + Glucose

Protein →C Peptides

Choose the correct pair?

i. A-dipeptidases-stomach

ii. B-maltase-small intestine

iii. C-pepsin-stomach
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Succus entericus is the name given to
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Biology>Human Physiology>Digestion and Absorption>Digestion of Food
In the mouth, starch is converted into _____ .
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Biology>Human Physiology>Digestion and Absorption>Digestion of Food
The enzyme lipase converts
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Biology>Human Physiology>Digestion and Absorption>Digestion of Food

Fill in the blank with the correct option provided in the bracket.

Pepsin breaks down _____(proteins/carbohydrates/fats).

EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
The liver converts excess glucose to _____ for storage.
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food

Fill in the blank with the correct option provided in the bracket.

Nucleic acids are converted to nucleotides and nucleosides by the action of _____ (nuclease/peptidase/amylase) enzyme.

MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Choose the false statement from the following.
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Biology>Human Physiology>Digestion and Absorption>Digestion of Food
The food is pushed through the mouth into the oesophagus by the process of  _____ .(deglutition/micturition)
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food
Which of the following represent bile salts?