Digestion and Absorption

73 Questions
2009 NEET MCQ
AIPMT 2009
A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowish. what is this yellow colour due to?
A.
Bile pigments passed through bile juice
B.
Undigested milk protein casein
C.
Pancreatic juice poured into duodenum
D.
Intestimal juice
2009 NEET MCQ
AIPMT 2009
Which one of the following statements is true regarding digestion and absorption of food in humans?
A.
Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+.
B.
Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
C.
About 60% of starch is hydrolysed by salivary amylase in our mouth.
D.
Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
2008 NEET MCQ
AIPMT 2008
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
A.
In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
B.
Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin.
C.
Gastric juice will be deficient in chymosin.
D.
Gastric juice will be deficient in pepsinogen.
2008 NEET MCQ
AIPMT 2008
Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product?
A.
Small intestine : Proteins $\buildrel {Pep\sin } \over \longrightarrow $ amino acids
B.
Stomach : Fats $\buildrel {Lipase} \over \longrightarrow $ micelles
C.
Duodenum : Triglycerides $\buildrel {Tryp\sin } \over \longrightarrow $ monoglycerides
D.
Small intestine : Starch $\buildrel {\alpha - Amylase} \over \longrightarrow $ disaccharide (maltose)
2007 NEET MCQ
AIPMT 2007
Which one of the following is a fat-soluble vitamin and its related deficiency diseade?
A.
Retinol     -     Xerophthalmia
B.
Cobalamine     -     Beri-beri
C.
Calciferol     -     Pellagra
D.
Ascorbic acid     -     Scurvy
2006 NEET MCQ
AIPMT 2006
Examination of blood of a person suspected of having anaemia shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms?
A.
Iron compounds
B.
Thiamine
C.
Folic acid and cobalamine
D.
Riboflavin
2005 NEET MCQ
AIPMT 2005
Which group of three of the following five statements (1 - 5) contain all three correct statements regarding beri-beri?
1.  A crippling disease prevalent among the native population of sub-Saharan Africa
2.  A deficiency disease caused by lack of thiamine (vitamin B1)
3.  A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein
4.  Occurs in those countries where the staple diet is polished rice
5.  The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure.
A.
2, 4 and 5
B.
1, 2 and 4
C.
1, 3 and 5
D.
2, 3 and 5
2005 NEET MCQ
AIPMT 2005
A patient is generally advised to specially consume more meat, lentils, milk and eggs in diet only when he suffers from
A.
scurvy
B.
kwashiorkar
C.
rickets
D.
anaemia.
2005 NEET MCQ
AIPMT 2005
Epithelial cells of the intestine involved in food absorption have on their surface
A.
pinocytic vesicles
B.
microvilli
C.
zymogen granules
D.
phagocytic vesicles.
2005 NEET MCQ
AIPMT 2005
Secretin and cholecystokinin are digestive hormones. They are secreted in
A.
pyloric stomach
B.
duodenum
C.
ileum
D.
oesophagus.
2004 NEET MCQ
AIPMT 2004
Which one of the following pairs is not correctly matched?
A.
Vitamin B12   -   Pernicious anaemia
B.
Vitamin B6   -   Convulsions
C.
Vitamin B1   -   Beri-beri
D.
Vitamin B2   -   Pellagra
2004 NEET MCQ
AIPMT 2004
The richest sources of vitamin B12 are
A.
goat's liver and Spirulina
B.
chocolate and green gram
C.
rice and hen's egg
D.
carrot and chicken's breast.
2004 NEET MCQ
AIPMT 2004
Duodenum has characteristics Brunner's gland which secrete two hormones called
A.
kinase, estrogen
B.
secretin, cholecystokinin
C.
prolactin, parathormone
D.
estradiol, progesterone.
2003 NEET MCQ
AIPMT 2003
During prolonged fastings, in what sequence are the following organic compounds used up by the body?
A.
First carbohydrates, next fats and lastly proteins
B.
First fats, next carbohydrates and lastly proteins
C.
First carbohydrates, next proteins and lastly lipids
D.
First proteins, next lipids and lastly carbohydrates.
2003 NEET MSQ
AIPMT 2003
Which one of the following pairs is not correctly matched?
A.
Vitamin C   -   Scurvy
B.
Vitamin B2   -   Pellagra
C.
Vitamin B12   -   Pernicious anaemia
D.
Vitamin B6   -   Beri-beri
2002 NEET MCQ
AIPMT 2002
Continuous bleeding from an injured part of body is due to deficiency of
A.
vitamin A
B.
vitamin B
C.
vitamin K
D.
vitamin E.
2002 NEET MCQ
AIPMT 2002
Stool of a person is which grey coloured due to malfunction of which of the following organ?
A.
Pancreas
B.
Spleen
C.
Kidney
D.
Liver
2002 NEET MCQ
AIPMT 2002
Hydrolytic enzymes which act on low pH called as
A.
proteases
B.
$\alpha $-amylases
C.
hydrolases
D.
peroxidases.
2001 NEET MCQ
AIPMT 2001
Which one of the followinf is correctly matched?
A.
Vitamin E   -   Tocopherol
B.
Vitamin D   -    Riboflavin
C.
Vitamin B   -   Calciferol
D.
Vitamin A   -   Thiamine
2000 NEET MCQ
AIPMT 2000
Essential amino acid is
A.
phenylalanine
B.
glycine
C.
aspartic acid
D.
serine.
2000 NEET MCQ
AIPMT 2000
A person who is eating boiled potato, his food contains the component
A.
cellulose which is digested by cellulase
B.
starch which is not digested
C.
lactose which is not digested
D.
DNA which can be digested by pancreatic DNase.
2000 NEET MCQ
AIPMT 2000
Which food should be eaten during deficiency of rhodopsin in eyes?
A.
Carrot and ripe papayas
B.
Guava, banana
C.
Mango and potato
D.
None of the above
2000 NEET MCQ
AIPMT 2000
In mammals milk is digested by the action of
A.
rennin
B.
amylase
C.
intestinal bacteria
D.
invertase.