Epithelial cells of the intestine involved in food absorption have on their surface
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 ?
Answer: Bile pigments passed through bile juice
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?
Anxiety and eating spicy food together in an otherwise normal human, may lead to
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
Which one of the following is a protein deficiency disease?
In frog, the surface of attachment of tongue is
Rennin acts on
Answer: Milk changing casein into calcium paracaseinate at 1-3 pH
Release of pancreatic juice is stimulated by
The hormone that stimulates the stomach to secrete gastric juice is
The enzyme enterokinase helps in the conversion of
Answer: Trypsinogen into trypsin
Cholecystokinin and duocrinin are secreted by
Inhibition of gastric and stimulation of gastric, pancreatic and bile secretions are controlled by hormones
Answer: Enterogasterone, gastrin, pancreozymin and cholecystokinin
Stool of a person contains whitish grey colour due to malfunction of which type of organ ?
What is common among amylase, rennin and trypsin ?
Answer: These all are proteins
Most of the digestion occurs in
To which of the following family do folic acid and pantothenic acid belong?
Answer: Vitamin-B complex
Which one of the following pairs of food components in humans reaches the stomach totally undigested?
Answer: Fat and cellulose
Lactose is composed of
Answer: glucose + galactose
Which one of the following amino acids is an essential part of human diet ?