Dairy Tech

Question 1

major const and minor const of milk

Answer 1

water, fat, protein, lactose, ash and minerals
vitamins, phospholipids, enzymes, pigments sterols 5/5

Question 2

water, fat, protein, lactose, ash percentage in
cow
buffalo
goat
human

Answer 2

86.6-4.6-3.4-4.9-0.7
84.2-6.6-3.9-5.2-0.8
85.5-4.5-3.5-4.7-0.8
87.7-3.6-1.8-6.8-0.1

Question 3

daily variability of milk constituents in decreasing order

Answer 3

F-PAL

Question 4

milk abundant in
vit
minerals
deficient in
vit
min

Answer 4

A, D
Ca> P

C
Cu, I, Fe (ICCI)

Question 5

fat and specific gravity

Answer 5

inverse relation

Question 6

relation with interval of milking and fat

Answer 6

interval~ yield/ fat

Question 7

milking portion and fat
fore milk
strippings

Answer 7

<1 percentage
~10 percentage

Question 8

….. can result in slight but defined variation in fat percentage

Answer 8

seasonal impact

Question 9

feeding has …. effect on fat

Answer 9

direct effect

Question 10

milk has high vit A irrespective of feed
“ D irrespective

Answer 10

no, green fodder
no, sun eposure

Question 11

posilac is …. which can …fat & ….yield was approved in ….. by ….

Answer 11

bovine somatotropin
increase
increase
1993
FDA

Question 12

effect of adrenaline/ ecitement on milk yield

Answer 12

decreases - ocytocin

Question 13

milk protein is considered - complete/ incomplete?
why

Answer 13

complete
contains all essential aa in large quantity

Question 14

casien and whey protein proportion and their types

Answer 14

80 : 20
casien
alpha
beta
kappa
whey
lactalbumin, lactoglobulin, serum albumin, immunoglobulins

Question 15

vit A content is high in milk ireespective of its feed
vit D content is high irrespective

Answer 15

no- feed
no- Sun eposure

Question 16

fat affects flavour only and has no role in nutritive value and energy

Answer 16

no

Question 17

major or significantly present essential fatty acids in milk are

Answer 17

Linoleic acid & Arachidonic acid`

Question 18

glucose is one of the major sugar present in milk after lactose

Answer 18

No- contains only mg/kg milk

Question 19

lactose intolerance is due to

Answer 19

reduced lactase activity after weaning
undigested lactose to large intestine where it produces methane retc and cause bloating

Question 20

calorific value of
protein
sugar
fat in ……. unit
cows milk
buffallo milk in …units

Answer 20

4.1
4.1
9.3 C/g
75
100C /100g

Question 21

Vit A, D, B12, carotene contents are affected by pasteurization or sterilization

Answer 21

No- unaffected

Question 22

vitamins that are affected by past: / Sterillization are …. and to an etent of loss of … percentge

Answer 22

thiamine
ascorbic acid
thiamin: 10/ 30-50
ascorbic acid: 20/ 50 percentage