Vitamin A was discovered by
Mc. Collum and Devis
Richert and Dam
Funk
Ejikmann Christian
Correct Answer :
A. Mc. Collum and Devis
Related Questions
Fat soluble vitamins are
A, D and E
B, C and D
E, D and B
A, B and C
The protein deficiency disease is known as
eczeme
mycoses
scurvy
kwashiorkor
A vitamin which is excreted in urine usually is
C
K
Bi
E
Trypsin is secreted by
stomach
pancreas
liver
duodenum
Wound healing is enhanced by vitamin
A
C
D
E
Water-soluble vitamins are
A, B and C
C and D
B and C
None of these
Vitamin C is
ascorbic acid
aspartic acid
Jipoicacid
nicotinic acid
Ascorbic acid is
vitamin A
vitamin C
vitamin B
biotin
Bile helps in
producing enzymes
esterification
both (a) and (b)
emulsification of fats
Deficiency of vitamin K may lead to
failure of clotting of blood
non-maturation of ova
blastocyst formation in uterus
neuritis
The deficiency of vitamin 'C' causes
anaemia
scurvy
rickets
xerophthalmia
Chitin is a
protein
carbohydrate
mineral
fat
Which is the best source of vitamin B^1?
Cod liver oil
Egg
Whole wheat bread
Curd
Vitamin A was discovered by
Mc. Collum and Devis
Richert and Dam
Funk
Ejikmann Christian
The enzyme which acts neither in acidic nor in alkaline medium is
steapsin
ptyalin
pepsin
trypsin
Specific function of liver is
excretion
histolysis
digestion
glycogenolysis
Deficiency of thiamine causes
scurvy
pellagra
osteomalacia
beri beri
The substrate for gastric enzymes, renin is
pepsin
casein of milk
starch
lipids of milk
The enzymes found in the stomach of rabbit are
renin, pepsin, lipase
lipase, amylase, renin
erepsin, lipase, renin
pepsin, amylase, lipase
Amylase digests starch
in duodenum in alkaline medium
in duodenum in acidic medium
in stomach in alkaline medium
in stomach in acidic medium
Deficiency of Vitamin D in children causes
beri-beri
pelagra
rickets
osteomalacia
Which of the following is not an attribute of an enzyme?
It is a protein whose synthesis is controlled and directed by a specific gene
It catalyses a specific chemical reaction
It becomes denatured by high temperature
It is consumed in a chemical reaction
Rickets in children and osteomalacia in adults is caused by the deficiency of
vitamin A
vitamin B
vitamin C
vitamin D
Trypsin acts in a medium which is
neutral
highly alkaline
acidic
slightly alkaline
Substance required to overcome xerophthalmia derived from carrots is
vitamin A
vitamin D
proteins
xanthophyll
Xerophthalmia in children and Nyctalopia (night blindness) in adults is caused by deficiency of vitamin
A
D
E
K
Synthesis of vitamin D with the help of sunlight takes place by
skin
liver
adipose tissue
gallbladder
Vitamins are
inorganic substances that cannot be synthesised by animal
inorganic substances that can be synthesised by animal
organic substances that cannot be synthesised by animal
organic substances that can be synthesised by animal
The antihaemorrhagic vitamin is essential for coagulation of blood. It is
B
D
E
K
Hie enzyme invertase converts
starch into glucose
glucose into sucrose
cellulose into starch
sucrose into glucose and fructose