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) Intestinal juice

(b) Bile pigments passed through bile juice

(c) Undigested milk protein casein

(d) Pancreatic juice poured into duodenum

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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? 

(a) Mercury

(b) Chlorine

(c) Fluorine

(d) Boron

Concept Questions :-

Alimentary Canal: Oral Cavity & Teeth
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Anxiety and eating spicy food together in an otherwise normal human, may lead to  
(a) indigestion
(b) jaundice
(c) diarrhoea
(d) vomiting

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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 

(a) diaphragm

(b) neck

(c) tongue

(d) epiglottis

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Which one of the following is a protein deficiency disease?

(a) Eczema

(b) Cirrhosis

(c) Kwashiorkor

(d) Night blindness

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Rennin acts on

(a) milk changing casein into calcium paracaseinate at 7.2 - 8.2 pH

(b) protein in stomach

(c) fat in intestine

(d) milk changing casein into calcium paracaseinate at 1-3 pH

Concept Questions :-

Gastric Secretions
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In vertebrates lacteals are found in

(a) ileum

(b) ischium

(c) oesophagous

(d) ear

Concept Questions :-

Absorption: Part 1
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Release of pancreatic juice is stimulated by 

(a) enterokinase

(b) cholecystokinin

(c) secretin

(d) Both b and c

Concept Questions :-

Pancreatic Secretions
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The hormone that stimulates the stomach to secrete gastric juice is 

(a) gastrin

(b) renin 

(c) enterokinase

(d) enterogasterone

Concept Questions :-

Gastric Secretions
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The enzyme enterokinase helps in the conversion of 

(a) pepsinogen into pepsin

(b) trypsinogen into trypsin

(c) caseinogen into casein

(d) proteins into polypeptides

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