How is the digestion of fats different from that of proteins and carbohydrates?

(1) Fat digestion occurs in the small intestine, and the digestion of proteins and carbohydrates occurs in the stomach

(2) Fats are absorbed into the cells as fatty acids and monoglycerides but are then modified for absorption into the blood; amino acids and glucose are not modified further

(3) Fats enter the hepatic portal circulation, but digested proteins and carbohydrates enter the lymphatic system

(4) Digested fats are absorbed in the large intestine, and digested proteins and carbohydrates are absorbed in the small intestine

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

(1) Lipase

(2) Trypsin

(3) Rennin

(4) Pepsin

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Dental formula of adult person is:

(1) 21222122

(2) 21142114

(3) 21232123

(4) 21232124

 

 

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Assertion      :       Hepatopancreas of prawn is equivalent to the liver and pancreas of higher animals.

Reason         :       Hepatopancreas stores the absorbed nutrients from stomach and midgut.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion      :       Rumen of alimentary canal of ruminant animals harbour numerous bacteria and protozoa.

Reason         :       Bacteria and protozoa help in the secretion of gastric juice in the rumen.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion      :       Many tube like glands are present in the wall of small intestine.

Reason         :       These glands secrete enzymes DNAse and RNAse into the intestinal juice.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion      :       Lipases of bile help in the emulsification of fats.

Reason         :       Lipases can break large fat droplets into smaller ones.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion      :       Presence of HCl in stomach is necessary for the process of digestion.

Reason         :       HCl kills and inhibits the growth of bacteria in the stomach.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion      :       Facilitated diffusion is more rapid than simple diffusion.

Reason         :       Facilitated diffusion involves expenditure of energy unlike simple diffusion.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion      :       Carbohydrates are more suitable for the production of energy in the body than proteins and fats.

Reason         :       Carbohydrates can be stored in the tissues as glycogen for use in the production of energy, whenever necessary.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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