Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. 

            Column I                                   Column II

  • Glycine and glucose            Small intestine and active absorption

  • Fructose and Na+               Small intestine passive absorption

  • Glycerol and fatty acids       Duodenum and move as chilomicrons

  • Cholesterol and maltose      Large intestine and active absorption

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 ? 

  • Intestinal juice

  • Bile pigments passed through bile juice

  • Undigested milk protein casein

  • Pancreatic juice poured into duodenum

A dental disease characterised by moltting of teeth is due to the presence of a certain chemical element in drinking water. Which of the following is that element? 

  • Mercury

  • Chlorine

  • Fluorine

  • Boron

Anxiety and eating spicy food together in an otherwise normal human, may lead to  

  • indigestion

  • jaundice

  • diarrhoea

  • vomiting

Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of 

  • diaphragm

  • neck

  • tongue

  • epiglottis

Which one of the following is a protein deficiency disease?

  • Eczema

  • Cirrhosis

  • Kwashiorkor

  • Night blindness

Rennin acts on

  • milk changing casein into calcium paracaseinate at 7.2 - 8.2 pH

  • protein in stomach

  • fat in intestine

  • milk changing casein into calcium paracaseinate at 1-3 pH

In vertebrates lacteals are found in

  • ileum

  • ischium

  • oesophagous

  • ear

Release of pancreatic juice is stimulated by 

  • enterokinase

  • cholecystokinin

  • secretin

  • Both 2 and ;3

The hormone that stimulates the stomach to secrete gastric juice is 

  • gastrin

  • renin 

  • enterokinase

  • enterogasterone

The enzyme enterokinase helps in the conversion of 

  • pepsinogen into pepsin

  • trypsinogen into trypsin

  • caseinogen into casein

  • proteins into polypeptides

Cholecystokinin and duocrinin are secreted by

  • adrenal cortex

  • thyroid gland

  • pancreas

  • intestine

Inhibition of gastric and stimulation of gastric, pancreatic and bile secretions are controlled by hormones 

  • gastrin, secretin, enterokinin and cholecystokinin

  • enterogasterone, gastrin, pancreozymin and cholecystokinin

  • gastrin, enterogasterone, cholecystokinin and pancreozymin

  • secretin, enterogasterone, gastrin and enterokinin

Stool of a person contains whitish grey colour due to malfunction of which type of organ ?

  • Pancreas

  • Spleen

  • Kidney

  • Liver

A patient is generally advised to especially, consume more meat, lentils, milk and eggs in diet only when he suffers from 

  • kwashiorkor

  • rickets

  • anaemia

  • scurvy

What is common among amylase, rennin and trypsin ? 

 

  • These all are proteins

  • These all are proteolytic enzymes

  • These are produced in stomach

  • These act as a pH lower than 7

Which one of the following is a matching pair of a substrate and its particular digestive enzyme? 

  • Maltose     - Maltase

  • Lactose     - Renin     

  • Starch       - Steapsin

  • Casein       - Chymotrypsin

Most of the digestion occurs in 

  • rectum

  • stomach

  • duodenum

  • small intestine

Which one of the following vitamin can be synthesised by bacteria inside the gut? 

  • B

  • D

  • C

  • Both b and c

The richest sources of vitamin-B12 are 

  • goat's liver and Spirulina

  • chocolate and green gram

  • rice and hen's egg

  • carrot and chicken's breast

Which one of the following pairs of food components in humans reaches the stomach totally undigested? 

  • Protein and starch

  • Starch and fat

  • Fat and cellulose

  • Starch and cellulose

Lactose is composed of

  • glucose + fructose

  • glucose + glucose

  • glucose + galactose

  • fructose + galactose

Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability ?

  • Thiamine      ---- Beri-Beri

  • Protein         ---- Kwashiorkor

  • Nicotinamide ---- Pellagra

  • Iodine          ---- Goitre

Fructose is absorbed into the blood through mucosa cells of intestine by the process called 

  • active transport

  • facilitated transport

  • simple diffusion

  • co-transport mechanism

The haemorrhagic disease of new born is caused due to the deficiency of 

  • vitamin-A

  • vitamin-B1

  • vitamin-B12

  • vitamin-K

In a person of advanced age, the hair become thinner gradually. It happens because of decrease in

  • synthesis of glucose

  • synthesis of proteins

  • energy availability

  • blood supply

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 

  • marasmus

  • rickets

  • kwashiorkor

  • pellagra

If pancreas is removed, the compound which remains undigested is 

  • carbohydrates

  • fats

  • proteins

  • All of these

If for some reason our goblet cells are non-functional, this will adversly affect [2010]

  • production of somatostatin

  • secretion of sebum from the sebaceous glands

  • maturation of sperms

  • smooth movement of food down the intestine

Where is protein digestion accomplished?

  • Stomach

  • lleum

  • Rectum

  • Duodenum

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