281. Vitamin necessary for blood clotting

A A
B E
C C
D K
Answer :   K
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282. Presence of water amount in enamel cell is

A 90-92%
B 75-80%
C 4-50%
D 3%
Answer :   3%
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283. Pancreatic lipase acts upon

A Glycogen
B Triglycerides
C Disaccharides
D Polypeptides
Answer :   Triglycerides
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284. What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?

A Gastric juice will be deficient in chymosin
B Gastric juice will be deficient in pepsinogen
C In the absence of $$HCI$$  secretion, inactive pepsinogen is not converted into the active enzyme pepsin
D Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
Answer :   In the absence of $$HCI$$  secretion, inactive pepsinogen is not converted into the active enzyme pepsin
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285. Water absorption is mainly occur in

A Colon
B Intestine
C Gastrium
D Appendix
Answer :   Intestine
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286. Lacteals take part

A Digestion of milk
B Absorption of fat
C Digestion of lactic acid
D None of the above
Answer :   Absorption of fat
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287. During prolonged fasting, in what sequence are the following organic compounds used up by the body ?

A First proteins, next lipids and lastly carbohydrates
B First carbohydrates, next fats and lastly proteins
C First fats, next carbohydrates and lastly proteins
D First carbohydrates, next proteins and lastly lipids
Answer :   First carbohydrates, next fats and lastly proteins
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288. Renin acts on

A milk changing casein into calcium paracaseinate at 7.2 - 8.2 pH
B proteins in stomach
C fat in intestine
D milk changing casein into calcium paracaseinate at 1 - 3 pH
Answer :   milk changing casein into calcium paracaseinate at 1 - 3 pH
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289. Kupffer's cells occur in

A spleen
B kidney
C brain
D liver
Answer :   liver
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290. Jacobson's organs are related with

A With touch
B With pressure
C With smell
D With hearing
Answer :   With smell
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