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Digestive System

Description: Digestive System
Number of Questions: 25
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Tags: 5051ss Digestive System of Human Digestion and Absorption Water Hydrogen Peroxides Hydrogen Peroxide Preperation of Hydrogen Peroxide Hydrides
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The coat beneath the lining of the small intestine is called __________.

  1. mucosa

  2. submucosa

  3. epidermis

  4. epithelium

  5. none of these


Correct Option: A
Explanation:

The coat beneath the lining of the small intestine is called mucosa.

Which juice is secreted by the gland of Lieberkuhn?

  1. Succus entericus

  2. Chyme

  3. Liquor folliculi

  4. Mucus

  5. None of these


Correct Option: A
Explanation:

The gland of Lieberkuhn secretes a juice called Succus entericus.

Which of the following are the end-products in the digestion of carbohydrates?

  1. Monosaccharides

  2. Disaccharides

  3. Polysaccharides

  4. Oligosaccharides

  5. All of the above


Correct Option: A
Explanation:

The end-products in the digestion of carbohydrates are Monosaccharides.

The metabolism rate taken at complete physical and mental rest is called __________.

  1. catabolic rate

  2. anabolic rate

  3. basal metabolic rate

  4. metabolic rate

  5. none of these


Correct Option: C
Explanation:

The metabolism rate taken at complete physical and mental rest is called Basal metabolic rate.

Oxyntic cells of fundic glands secrete __________.

  1. mucus

  2. HCl

  3. pepsin

  4. rennin

  5. none of these


Correct Option: B
Explanation:

Oxyntic cells of fundic glands secrete HCL.

What is the function of trypsin?

  1. It is to convert fats into fatty acids.

  2. It is to convert polysaccharides into monosaccharides.

  3. It is to convert protein into peptones.

  4. It is to convert peptones into aminoacids.

  5. None of these


Correct Option: C
Explanation:

The function of trypsin is to convert protein into peptones.

The rate at which heat energy is released from the body is an indication of _______.

  1. digestion

  2. absorption

  3. metabolism

  4. hormone action

  5. catabolism


Correct Option: C
Explanation:

The rate at which heat energy is released from the body is an indication of Metabolism.

Chymo-trypsin is an enzyme found in _____________.

  1. succus entericus

  2. pancreatic juice

  3. bile

  4. gastric juice

  5. none of these


Correct Option: B
Explanation:

Chymo-trypsin is an enzyme found in pancreatic juice.

In infants, the enzyme Rennin contained in the gastric juice acts on which of the following?

  1. Casein

  2. Sucrose

  3. Mannose

  4. Galactose

  5. None of these


Correct Option: A
Explanation:

In infants, the enzyme Rennin contained in the gastric juice acts on Casein.

Vomiting is a protective reflex that makes it possible to eject harmful or irritating substance from ____________.

  1. small Intestine

  2. liver

  3. Stomach

  4. pancreas

  5. large Intestine


Correct Option: C
Explanation:

Vomiting is a protective reflex that makes it possible to eject harmful or irritating substance from stomach.

In mammals, excess carbohydrates are stored in which of the following form?

  1. Glycogen in liver and muscles

  2. Glucose in blood

  3. Lactic acid in muscles

  4. Glycogen in muscles and spleen

  5. None of these


Correct Option: A
Explanation:

In mammals, excess carbohydrates are stored in the form of Glycogen in liver and muscles.

The lymph capillaries present in the intestinal villi are called ___________.

  1. venules

  2. arterioles

  3. lacteals

  4. lymph nodes

  5. none of these


Correct Option: C
Explanation:

The lymph capillaries present in the intestinal villi are called Lacteals.

The final digestion of peptides into aminoacids is achieved by the action of which of the following?

  1. Trypsin

  2. Chymotrypsin

  3. Erepsin

  4. Lactase

  5. None of these


Correct Option: C
Explanation:

The final digestion of peptides into aminoacids is achieved by the action of erepsin.

The protein contained in the milk and on which the enzyme rennin acts is called _________.

  1. lactogen

  2. casein

  3. myosin

  4. actin

  5. none of these


Correct Option: B
Explanation:

The protein contained in the milk and on which the enzyme rennin acts is called Casein.

A very high protein diet results in absorption of an excess amount of _________.

  1. monosaccharides

  2. fatty acid and glycerol

  3. amino acids

  4. oligosaccharides

  5. none of these


Correct Option: C
Explanation:

Amino acids are biologically important organic compounds made from amine (-NH2) and carboxylic acid (-COOH).

Simple sugars which are the products of digestion of carbohydrates are absorbed through ___________.

  1. lacteals

  2. blood capillaries

  3. intervillous space

  4. intestinal epithelium

  5. none of these


Correct Option: B
Explanation:

Simple sugars which are the products of digestion of carbohydrates are absorbed through blood capillaries.

Frequent defecation, with faeces usually containing high fluid material is known as ________.

  1. diptheria

  2. malaria

  3. diarrhoea

  4. pyorrhea

  5. none of these


Correct Option: C
Explanation:

Frequent defecation, with feces usually containing high fluid material is known as Diarrhoea.

The process by which liver renders harmless, the harmfull substances are produced by which of the following metabolism?

  1. Detoxification

  2. Ultra filtration

  3. Denitrifiltration

  4. Defecation

  5. None of these


Correct Option: A
Explanation:

The process by which liver renders harmless, the harmfull substances produced by metabolism is known as detoxification.

The Mammalian liver secretes __________.

  1. succus entericus

  2. lipase

  3. trypsin

  4. bile

  5. none of these


Correct Option: D
Explanation:

The Mammalian liver secretes bile.

Most digestive enzymes belong to the category of enzymes called __________.

  1. oxido reductases

  2. transferases

  3. hydrolases

  4. lyases

  5. none of these


Correct Option: C
Explanation:

Most digestive enzymes belong to the category of enzymes are called Hydrolases.

The wave-like contractions of the stomach are called ___________,

  1. simple contraction

  2. regurgitation

  3. deglutition

  4. peristalsis

  5. none of these


Correct Option: D
Explanation:

Peristalsis is a radially symmetrical contraction and relaxation of muscles which propagates in a wave down a muscular tube, in an anterograde fashion.

Haemoglobin formation requires sufficient intake of which element?

  1. Potassium

  2. Amino acid

  3. Iron

  4. Iodine

  5. Calcium


Correct Option: C
Explanation:

It is a metal in the first transition series.

Ptyalin of saliva acts best in __________.

  1. alkaline medium

  2. water

  3. neutral medium

  4. pH 6.7

  5. none of these


Correct Option: D
Explanation:

Ptyalin of saliva acts best in pH 6.7

Proteins are macromolecules formed by the linkage of ___________.

  1. monosaccharides

  2. fatty acids

  3. nucleotides

  4. amino acids

  5. none of these


Correct Option: D
Explanation:

Proteins are macromolecules formed by the linkage of Amino acids.

Starch is digested by which of the following enzymes?

  1. Invertase

  2. Sucrase

  3. Amylase

  4. Peptidase

  5. None of these


Correct Option: C
Explanation:

Amylase is an enzyme that catalyses the hydrolysis of starch into sugars.

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