The vitamin nicotinamide can be synthesized in our body from.

1. tyrosine

2. tryptophan

3. valinc

4. phenylalanine

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.

Cattle fed with spoilt hay of sweet clover which contains dicumarol

1. are healthier due to a good diet

2. catch infections easily

3. may suffer vitamin K deficiency and prolonged bleeding

4. may suffer from beri beri due to deficiency of B vitamins

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 ?

Vitamin B₆ is also called:-
(1) thiamine

(2) pantothenic acid

(3) pyridoxine 

(4) retinol

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

Wharton's duct is the duct of

(1) submandibular salivary gland

(2) paritid gland

(3) sublingual gland

(4) all of these.