Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

How long the cherry hot electric dehorning iron should be applied to each horn button on a calf?

A. 10-15 sec
B. 15-20 sec
C. 1 min
D. 2 min
Answer» B. 15-20 sec
Discussion
2.

What should be dipped in iodine after the birth of a calf?

A. calf’s leg
B. calf’s navel
C. calf’s foot
D. calf’s head
Answer» C. calf’s foot
Discussion
3.

Standardization of milk involved which of the following?

A. Adjustment of fat content
B. Breakdown of protein
C. Whitish appearance of milk
D. Increase in nutritional content of milk
Answer» B. Breakdown of protein
Discussion
4.

The amount of bactofugate from the two-phase Bactofuge ______ as compared to one-phase Bactofuge.

A. More
B. Less
C. Constant
D. Variable
Answer» B. Less
Discussion
5.

What is the father of a calf called?

A. bull
B. cow
C. calf
D. vache
Answer» B. cow
Discussion
6.

What is the carbon dioxide content of commercial mixed raw milk?

A. 0.47%
B. 1.29%
C. 4.45%
D. 6.21%
Answer» D. 6.21%
Discussion
7.

The flow rate through the membrane filter itself expressed as a gallon per square foot per day is called?

A. Permeate
B. Head loss
C. Flux
D. Overhead
Answer» D. Overhead
Discussion
8.

“The spoon is rinsed in running cold water. Heat gets absorbed by the water and the spoon gets cooler, until the spoon and the water are at the same temperature” is an example of which of the following way of heat transfer?

A. Conduction
B. Convection
C. Radiation
D. Filtration
Answer» C. Radiation
Discussion
9.

Main function of Second stage of homogenization is?

A. Fat globule reduction
B. Separation of clusters of fat into individual fat molecules
C. Oxidation
D. Off flavor development
Answer» C. Oxidation
Discussion
10.

Which of the following device is used in Bactofugation?

A. Decanter
B. Centrifuge
C. Bactofuge
D. Filter
Answer» B. Centrifuge
Discussion
11.

Role of insulation in the tank is?

A. Maintain temperature due to weather fluctuation
B. Chilling
C. Freezing
D. Heating
Answer» B. Chilling
Discussion
12.

What special ingredient in colostrums helps fight infection and disease in the newborn calf?

A. protein
B. carbohydrate
C. ammonia
D. antibodies
Answer» E.
Discussion
13.

Which of the deaerator have application in the dairy industry?

A. Tray type
B. Vacuum type
C. Spray type
D. Bubble type
Answer» C. Spray type
Discussion
14.

________ Rule is often used to compare a pure liquid and a solution at a given concentration.

A. Duhring’s rule
B. Plank rule
C. Friction rule
D. Doppler rule
Answer» B. Plank rule
Discussion
15.

Which homogenization theory predicts how the homogenisinneffect varies with the homogenizing pressure?

A. Cavitation theory
B. Eddies theory
C. Current theory
D. Voltage theory
Answer» C. Current theory
Discussion
16.

“R” in the below equation refers to what?

A. Recycle
B. Regeneration efficiency
C. Regression
D. Reuse
Answer» D. Reuse
Discussion
17.

Which of the following is the time-temperature combination for LTST pasteurization?

A. 72°C to 74°C for 15 to 20 seconds
B. 135°C to 140°C for 2 to 4 seconds
C. 63°C for 30 minutes
D. 57°C to 68°C for 15 min
Answer» D. 57°C to 68°C for 15 min
Discussion
18.

Which of the following is the time-temperature combination for UHT pasteurization?

A. 72°C to 74°C for 15 to 20 seconds
B. 135°C to 140°C for 2 to 4 seconds
C. 63°C for 30 minutes
D. 57°C to 68°C for 15 min
Answer» C. 63°C for 30 minutes
Discussion
19.

Pasteurization aid in which of the following?

A. killing tubercle bacillus
B. killing spores
C. increasing fat content
D. lowering temperature
Answer» B. killing spores
Discussion
20.

Which of the following is the time-temperature combination for HTST pasteurization?

A. 72°C to 74°C for 15 to 20 seconds
B. 135°C to 140°C for 2 to 4 seconds
C. 63°C for 30 minutes
D. 57°C to 68°C for 15 min
Answer» B. 135°C to 140°C for 2 to 4 seconds
Discussion