Rennin acts on
1. milk changing casein into calcium paracaseinate at 7.2 - 8.2 pH
2. protein in stomach
3. fat in intestine
4. milk changing casein into calcium paracaseinate at 1-3 pH
The hormone that stimulates the stomach to secrete gastric juice is
1. gastrin
2. renin
3. enterokinase
4. enterogasterone
What is common among amylase, rennin and trypsin ?
1. These all are proteins
2. These all are proteolytic enzymes
3. These are produced in stomach
4. These act as a pH lower than 7
The richest sources of vitamin-B12 are
1. goat's liver and Spirulina
2. chocolate and green gram
3. rice and hen's egg
4. carrot and chicken's breast
In man the zymogen or chief cells are mainly found in
1. cardiac part of stomach
2. pyloric part of stomach
3. duodenum
4. fundic part of stomach
Which part of body secretes the hormone secretin ?
1. Oesophagus
2. Duodenum
3. Stomach
4. lleum
The contraction of gall bladder is due to
1. gastrin
2. secretin
3. cholecystokinin
4. enterogasterone
Duodenum has characteristic Brunner's glands which secret two hormones called
1. kinase, estrogen
2. secretin, cholecystokinin
3. prolactin, parathromone
4. estradion, progesterone
Secretion of gastric juice is stopped by
1. gastrin
2. pancreozymin
3. cholecystokinin
4. enterogasterone
Gastric secretion is stimulated by all except
(1) Secretin
(2) Gastric distension
(3) Gastrin
(4) Vagal stimulus