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Free download in PDF Digestive System Questions(MCQs) & Answers. These short quiz questions on digestive systems are very helpful for interviews.
(21)
Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability ?
[A]
Thiamine ---- Beri-Beri
[B]
Protein ---- Kwashiorkor
[C]
Nicotinamide ---- Pellagra
[D]
Iodine ---- Goitre
Answer: Nicotinamide ---- Pellagra
(22)
Fructose is absorbed into the blood through mucosa cells of intestine by the process called
[A]
Active transport
[B]
Facilitated transport
[C]
Simple diffusion
[D]
Co-transport mechanism
Answer: Facilitated transport
(23)
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
[A]
Gastric juice will be deficient in chymosin
[B]
Gastric juice will be deficient in pepsinogen
[C]
In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin
[D]
Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
Answer: In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin
(24)
The haemorrhagic disease of new born is caused due to the deficiency of
[A]
vitamin-K
[B]
vitamin-B12
[C]
vitamin-B1
[D]
vitamin-A
(25)
In a person of advanced age, the hair become thinner gradually. It happens because of decrease in
[A]
Synthesis of glucose
[B]
Synthesis of proteins
[C]
Energy availability
[D]
Blood supply
Answer: Synthesis of proteins
(26)
When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from
[A]
Marasmus
[B]
Rickets
[C]
kwashiorkor
[D]
Pellagrar
(27)
If pancreas is removed, the compound which remains undigested is
[A]
Carbohydrates
[B]
Fats
[C]
Proteins
[D]
All of these
(28)
If for some reason our goblet cells are non-functional, this will adversly affect [2010]
[A]
Production of somatostatin
[B]
Secretion of sebum from the sebaceous glands
[C]
Maturation of sperms
[D]
Smooth movement of food down the intestine
Answer: Smooth movement of food down the intestine
(29)
Which one of the following statement is true regarding digestion and absorption of food in humans?
[A]
Oxyntic cells in our stomach secrete the proenzyme pepsinogen
[B]
Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+
[C]
About 60% of starch is hydrolysed by salivary amylase in our mouth
[D]
Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries
Answer: Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries
(30)
Where is protein digestion accomplished?
[A]
Stomach
[B]
Rectum
[C]
Duodenum
[D]
lleum
31
Duct leading from parotid gland and opening into vestibule is
[A]
Stenson's duct
[B]
Haversian duct
[C]
Wolffian duct
[D]
Infra-orbital duct
32
Calcium deficiency occurs in the absence of vitamin
33
Which part of body secretes the hormone secretin ?
[A]
Oesophagus
[B]
Duodenum
[C]
Stomach
[D]
lleum
34
The layer of cells that secret enamel of tooth is
[A]
Dentoblast
[B]
Ameloblast
[C]
Osteoblast
[D]
Odontoblast
35
The contraction of gall bladder is due to
[A]
Gastrin
[B]
Secretin
[C]
Cholecystokinin
[D]
Enterogasterone
36
Brunner's glands occur in
[A]
Sub-mucosa of stomach
[B]
Mucosa of oesophagus
[C]
Mucosa of ileum
[D]
Sub-mucosa of duodenum
Answer: Sub-mucosa of duodenum
37
During prolonged fasting, in what sequence are the following organic compounds used up by the body?
[A]
First carbohydrates, next proteins and lastly lipids
[B]
First proteins, next lipids and lastly carbohydrates
[C]
First carbohydrates, next fats and lastly proteins
[D]
First fats, next carbohydrates and lastly proteins
Answer: First carbohydrates, next fats and lastly proteins
38
Pancreas produces
[A]
Three digestive enzymes and one hormone
[B]
Three digestive enzymes and two hormones
[C]
Two digestive enzymes and one hormone
[D]
Three digestive enzymes and no hormone
Answer: Three digestive enzymes and two hormones
39
Carrier proteins faciliate the absorption of substance like
[A]
Glucose and fatty acids
[B]
Fatty acids and glycerol
[C]
Fructose and some amino acids
[D]
Amino acids and glucose
Answer: Amino acids and glucose
40
The vitamin-C or ascorbic acid prevents
[A]
Rickets
[B]
Pellagra
[C]
Antibody synthesis
[D]
Scurvy
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