Chitin is a
protein
carbohydrate
mineral
fat
Correct Answer :
B. carbohydrate
Related Questions
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
The enzyme which acts neither in acidic nor in alkaline medium is
steapsin
ptyalin
pepsin
trypsin
The best source of vitamin A is
apples
carrots
honey
pea nuts
Calciferol is
vitamin A
vitamin B
vitamin C
vitamin D
The enzymes found in the stomach of rabbit are
renin, pepsin, lipase
lipase, amylase, renin
erepsin, lipase, renin
pepsin, amylase, lipase
Fat soluble vitamins are
A, D and E
B, C and D
E, D and B
A, B and C
Deficiency of thiamine causes
scurvy
pellagra
osteomalacia
beri beri
In liver the stationary cells lining the blood capillaries act as phagocytes to ingest foreign germs and worn out RBC. These cells are called
goblet cells
oxyntic cells
lymphocytes
kupffer cells
Hie enzyme invertase converts
starch into glucose
glucose into sucrose
cellulose into starch
sucrose into glucose and fructose
Deficiency of Vitamin D in children causes
beri-beri
pelagra
rickets
osteomalacia
Deficiency of vitamin A causes
scurvy
rickets
xerophthalmia
xerophthalmia and nyctalopia
Vitamin C is
ascorbic acid
aspartic acid
Jipoicacid
nicotinic acid
Which is the best source of vitamin B^1?
Cod liver oil
Egg
Whole wheat bread
Curd
The deficiency of vitamin 'C' causes
anaemia
scurvy
rickets
xerophthalmia
Xerophthalmia in children and Nyctalopia (night blindness) in adults is caused by deficiency of vitamin
A
D
E
K
Wound healing is enhanced by vitamin
A
C
D
E
Deficiency of vitamin K may lead to
failure of clotting of blood
non-maturation of ova
blastocyst formation in uterus
neuritis
Synthesis of vitamin A takes place in
blood
spleen
pancreas
liver
Specific function of liver is
excretion
histolysis
digestion
glycogenolysis
Certain B vitamins act as
enzymes
coenzymes
hormones
digestive substance
A vitamin which is excreted in urine usually is
C
K
Bi
E
Vitamin A was discovered by
Mc. Collum and Devis
Richert and Dam
Funk
Ejikmann Christian
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
Which is vital for protein synthesis?
Thiamine
Riboflavin
Nicotinic add
Cyanocobalamin
Amylase digests starch
in duodenum in alkaline medium
in duodenum in acidic medium
in stomach in alkaline medium
in stomach in acidic medium
Bile helps in
producing enzymes
esterification
both (a) and (b)
emulsification of fats
The protein deficiency disease is known as
eczeme
mycoses
scurvy
kwashiorkor
Pellagra is caused by the deficiency of
thiamine
ascorbic acid
nicotinic acid (Niacin)
calciferol
Synthesis of vitamin D with the help of sunlight takes place by
skin
liver
adipose tissue
gallbladder
Chronic alcoholics are always short of
A
B
C
D