Engineering Questions with Answers - Multiple Choice Questions
Primary Production of Milk Engineering MCQs
1 - Question
The gestation period for cow is __________
a) 9 months
b) 1 year
c) 2 year
d) 3 months
View Answer
Explanation: Fetal development period from the time of conception until birth i.e. gestation period for cow is nine months.
2 - Question
After calving the cow gives milk for how many months __________
a) 2 months
b) 6 months
c) 10 months
d) 1 year
View Answer
Explanation: After giving birth the cow lactates for about 10 months.
3 - Question
Amount of blood through udder needed for formation of 1 litre of milk __________
a) 100 litres
b) 200- 300 litres
c) 800- 900 litres
d) 500-600 litres
View Answer
Explanation: 800 – 900 l of blood required for formation of one litre of milk. Usually, 850 litres of blood is used up.
4 - Question
The first milk the cow produces after calving is called __________
a) Lactate
b) Colostrum
c) Cream
d) Butter
View Answer
Explanation: First milk produced by the cow after giving birth is called colostrum. This special milk is yellow to orange in color and thick and sticky.
5 - Question
_____ Hormone that needs to be released in order to start milking.
a) Oxytocin
b) Gastrin
c) Leptin
d) Tryoxin
View Answer
Explanation: to start the milking process it is very important that oxytoxin is released from the cow’s body.
6 - Question
Milking is done by which of the following methods?
a) Hand Milking
b) Machine Milking
c) Hand Milking and machine milking
d) Shaking
View Answer
Explanation: Milking can be done both by hand and by machine. But automated milking is preferred over manual milking as it reduces the risk to contamination.
7 - Question
Milk should be kept at ____ temperature as soon as it leaves the cow udder.
a) 15℃
b) 8℃
c) 6℃
d) 4℃
View Answer
Explanation: Milk should be kept at 4℃. It has been found that at 4℃ the growth of pathogenic microorganisms stops.
8 - Question
Which is not a consequence of season milk production is ________
a) Seasonal swings in price
b) Excess manufacturing capacity
c) Excess milk production in the spring
d) Season
View Answer
Explanation: Seasonal swings in price, excess manufacturing capacity and excess milk production in the spring all are consequences to seasonal milk production.
9 - Question
The leading cause of high bacteria counts in raw milk is _________
a) Younger cows
b) Poor sanitation
c) Older cows
d) BST
View Answer
Explanation: Poor sanitation attributes to the high bacteria count in the milk. It leads to downgrade of quality.
10 - Question
After milking a cow, the cows teats should be dipped ___________
a) after 2 minutes
b) after 1 minute
c) after 30 seconds
d) immediately
View Answer
Explanation: It is advisable that the cow’s teats should be dipped immediately after milking.
11 - Question
Generally, which breed produces the largest volume of milk?
a) Aryshire
b) Jersey
c) Holstein
d) Brown Swiss
View Answer
Explanation: Holstein breed produces the largest volume of milk as compared to Aryshire, jersey and brown Swiss.
12 - Question
Milk from a cow with mastitis will have__________
a) abnormal freezing point
b) a high somatic cell count
c) both abnormal freezing point and a high somatic cell count
d) abnormal boiling point
View Answer
Explanation: Milk from a cow with mastitis will have an abnormal freezing point and a high somatic cell count. This milk should not be consumed.
13 - Question
Name (General) for a class of bacteria that causes mastitis in dairy cattle.
a) lactococcus
b) staphylococcus
c) lactobacillus
d) E.Coli
View Answer
Explanation: Mastitis in dairy cattle is caused by Staphylococcus. Mastitis is a bacterial disease which leads to inflammation in mammary glands of a cow.
14 - Question
Mostly healthy open cows will start a new reproductive cycle every ______ days.
a) 5-7
b) 21-28
c) 30-34
d) 47-50
View Answer
Explanation: Reproductive cycle for healthy cows start every 21-28 days.
15 - Question
Percentage of water in buffalo milk is ____________
a) 65-67 %
b) 70-75 %
c) 80-85 %
d) 87-90 %
View Answer
Explanation: Buffalo has 87-90 % of water in its milk and 10-13% other material.