During digestion, before the action of lipase, fat is emulsified by:-

1. ergosterols

2. phospholipids

3. lipoproteins

4. digitonin

Which of the folowing teeth are lophodont ?

1. Incisor and canine

2. Canine and premolar

3. Premolar and molar

4. Premolar and incisor

Which of the following digestive juices has the minimum pH value ?

1. Bile

2. Gastric juice

3. Saliva

4. Pancreatic juice

In adults, curdling of the milk in small intestine occurs due to the action of

1. rennin

2. erypsine

3. trypsin

4. chymotrypsin

Excessive stimulation of vagus nerve in humans may lead to:

1. hoarse voice

2. peptic ulcers

3. efficient digestion of proteins

4. irregular contractions of diaphragm.

Which one of the following pairs of the kind of cells and their secretion is correctly matched ?

(1) Oxyntic cells --- a secretion with pH between 2.0 and 3.0

(2) Alpha cells of islets of Langerhans ---- secretion that decreases blood sugar level

(3) Kupffer cells --- a digestive enzyme that hydrolyses nucleic acids

(4) Sebaceous glands --- a secretion that evaporates for cooling

Which match is true?

A child took sugar cane and sucked its juice. Regarding this which of the following match is correct ?

Which of the following is correct ?

(1) Paneth cells secrete pepsinogen

(2) Parietal cells secret hydrochloric acid

(3) Argentaffin cells secret mucus

(4) Chief cells secret gastrin

Which of the following gastric secretions is correctly matched with its source?
(1) Pepsin-Chief cells

(2) Chymotrypsin-Parietal cells

(3) HCl-Goblet cells

(4) Mucus-Oxyntic cells