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Dairy Technology & Milk Processing (Veterinary Medicine & Animal Husbandry) Solved Questions & Notes (2026) - Apex Rankers

Agricultural & Veterinary Sciences > Veterinary Medicine & Animal Husbandry > Dairy Technology & Milk Processing

100 Total Questions
~150 mins Read Time
1 Subject Areas
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Q. 1 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Standard High-Temperature Short-Time (HTST) milk pasteurization requires heating at:
A
135°C for 2 seconds
B
72°C (161°F) for at least 15 seconds
✓ Correct
C
63°C for 30 minutes
D
100°C for 5 minutes
💡 Step-by-Step Explanation & Concept Rationale
HTST destroys all vegetative pathogens, including Coxiella burnetii.
Q. 2 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
The principal sugar found in milk is:
A
Lactose (Glucose + Galactose)
✓ Correct
B
Maltose
C
Fructose
D
Sucrose
💡 Step-by-Step Explanation & Concept Rationale
Lactose is synthesized uniquely in mammary alveolar cells.
Q. 3 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Which enzyme test verifies proper pasteurization of milk?
A
Alkaline Phosphatase Test
✓ Correct
B
Resazurin test
C
Methylene Blue Test
D
Lactometer test
💡 Step-by-Step Explanation & Concept Rationale
Alkaline phosphatase inactivation proves adequate pasteurization thermal kill.
Q. 4 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
High-pressure homogenization of milk prevents creaming by:
A
Sterilizing microbes
B
Precipitating casein
C
Reducing fat globule size to <2 micrometers
✓ Correct
D
Neutralizing acidity
💡 Step-by-Step Explanation & Concept Rationale
Subdividing fat globules creates uniform emulsion that resists buoyancy separation.
Q. 5 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Which starter culture bacteria are standardly used to produce yogurt?
A
E. coli and Salmonella
B
Bacillus subtilis and Yeast
C
Clostridium and Staph
D
Streptococcus thermophilus and Lactobacillus bulgaricus
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
These two species act synergistically to produce acid and yogurt aroma.
Q. 6 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
In professional practice: Standard High-Temperature Short-Time (HTST) milk pasteurization requires heating at:
A
135°C for 2 seconds
B
100°C for 5 minutes
C
72°C (161°F) for at least 15 seconds
✓ Correct
D
63°C for 30 minutes
💡 Step-by-Step Explanation & Concept Rationale
HTST destroys all vegetative pathogens, including Coxiella burnetii.
Q. 7 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
In professional practice: The principal sugar found in milk is:
A
Sucrose
B
Maltose
C
Fructose
D
Lactose (Glucose + Galactose)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Lactose is synthesized uniquely in mammary alveolar cells.
Q. 8 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: Which enzyme test verifies proper pasteurization of milk?
A
Resazurin test
B
Lactometer test
C
Alkaline Phosphatase Test
✓ Correct
D
Methylene Blue Test
💡 Step-by-Step Explanation & Concept Rationale
Alkaline phosphatase inactivation proves adequate pasteurization thermal kill.
Q. 9 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: High-pressure homogenization of milk prevents creaming by:
A
Sterilizing microbes
B
Reducing fat globule size to <2 micrometers
✓ Correct
C
Neutralizing acidity
D
Precipitating casein
💡 Step-by-Step Explanation & Concept Rationale
Subdividing fat globules creates uniform emulsion that resists buoyancy separation.
Q. 10 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
In professional practice: Which starter culture bacteria are standardly used to produce yogurt?
A
E. coli and Salmonella
B
Clostridium and Staph
C
Streptococcus thermophilus and Lactobacillus bulgaricus
✓ Correct
D
Bacillus subtilis and Yeast
💡 Step-by-Step Explanation & Concept Rationale
These two species act synergistically to produce acid and yogurt aroma.
Q. 11 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
According to standard examination standards: Standard High-Temperature Short-Time (HTST) milk pasteurization requires heating at:
A
100°C for 5 minutes
B
135°C for 2 seconds
C
63°C for 30 minutes
D
72°C (161°F) for at least 15 seconds
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
HTST destroys all vegetative pathogens, including Coxiella burnetii.
Q. 12 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
According to standard examination standards: The principal sugar found in milk is:
A
Fructose
B
Maltose
C
Lactose (Glucose + Galactose)
✓ Correct
D
Sucrose
💡 Step-by-Step Explanation & Concept Rationale
Lactose is synthesized uniquely in mammary alveolar cells.
Q. 13 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: Which enzyme test verifies proper pasteurization of milk?
A
Alkaline Phosphatase Test
✓ Correct
B
Resazurin test
C
Lactometer test
D
Methylene Blue Test
💡 Step-by-Step Explanation & Concept Rationale
Alkaline phosphatase inactivation proves adequate pasteurization thermal kill.
Q. 14 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: High-pressure homogenization of milk prevents creaming by:
A
Precipitating casein
B
Neutralizing acidity
C
Reducing fat globule size to <2 micrometers
✓ Correct
D
Sterilizing microbes
💡 Step-by-Step Explanation & Concept Rationale
Subdividing fat globules creates uniform emulsion that resists buoyancy separation.
Q. 15 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
According to standard examination standards: Which starter culture bacteria are standardly used to produce yogurt?
A
Clostridium and Staph
B
Streptococcus thermophilus and Lactobacillus bulgaricus
✓ Correct
C
E. coli and Salmonella
D
Bacillus subtilis and Yeast
💡 Step-by-Step Explanation & Concept Rationale
These two species act synergistically to produce acid and yogurt aroma.
Q. 16 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
From an applied perspective: Standard High-Temperature Short-Time (HTST) milk pasteurization requires heating at:
A
100°C for 5 minutes
B
72°C (161°F) for at least 15 seconds
✓ Correct
C
63°C for 30 minutes
D
135°C for 2 seconds
💡 Step-by-Step Explanation & Concept Rationale
HTST destroys all vegetative pathogens, including Coxiella burnetii.
Q. 17 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
From an applied perspective: The principal sugar found in milk is:
A
Lactose (Glucose + Galactose)
✓ Correct
B
Fructose
C
Maltose
D
Sucrose
💡 Step-by-Step Explanation & Concept Rationale
Lactose is synthesized uniquely in mammary alveolar cells.
Q. 18 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: Which enzyme test verifies proper pasteurization of milk?
A
Lactometer test
B
Alkaline Phosphatase Test
✓ Correct
C
Methylene Blue Test
D
Resazurin test
💡 Step-by-Step Explanation & Concept Rationale
Alkaline phosphatase inactivation proves adequate pasteurization thermal kill.
Q. 19 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: High-pressure homogenization of milk prevents creaming by:
A
Precipitating casein
B
Neutralizing acidity
C
Reducing fat globule size to <2 micrometers
✓ Correct
D
Sterilizing microbes
💡 Step-by-Step Explanation & Concept Rationale
Subdividing fat globules creates uniform emulsion that resists buoyancy separation.
Q. 20 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
From an applied perspective: Which starter culture bacteria are standardly used to produce yogurt?
A
Clostridium and Staph
B
Streptococcus thermophilus and Lactobacillus bulgaricus
✓ Correct
C
Bacillus subtilis and Yeast
D
E. coli and Salmonella
💡 Step-by-Step Explanation & Concept Rationale
These two species act synergistically to produce acid and yogurt aroma.
Q. 21 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Under standard operational protocols: Standard High-Temperature Short-Time (HTST) milk pasteurization requires heating at:
A
100°C for 5 minutes
B
72°C (161°F) for at least 15 seconds
✓ Correct
C
63°C for 30 minutes
D
135°C for 2 seconds
💡 Step-by-Step Explanation & Concept Rationale
HTST destroys all vegetative pathogens, including Coxiella burnetii.
Q. 22 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Under standard operational protocols: The principal sugar found in milk is:
A
Maltose
B
Fructose
C
Lactose (Glucose + Galactose)
✓ Correct
D
Sucrose
💡 Step-by-Step Explanation & Concept Rationale
Lactose is synthesized uniquely in mammary alveolar cells.
Q. 23 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: Which enzyme test verifies proper pasteurization of milk?
A
Alkaline Phosphatase Test
✓ Correct
B
Resazurin test
C
Methylene Blue Test
D
Lactometer test
💡 Step-by-Step Explanation & Concept Rationale
Alkaline phosphatase inactivation proves adequate pasteurization thermal kill.
Q. 24 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: High-pressure homogenization of milk prevents creaming by:
A
Neutralizing acidity
B
Sterilizing microbes
C
Precipitating casein
D
Reducing fat globule size to <2 micrometers
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Subdividing fat globules creates uniform emulsion that resists buoyancy separation.
Q. 25 MULTIPLE_CHOICE
Difficulty: EASY (1 Mark)
Under standard operational protocols: Which starter culture bacteria are standardly used to produce yogurt?
A
Clostridium and Staph
B
Streptococcus thermophilus and Lactobacillus bulgaricus
✓ Correct
C
Bacillus subtilis and Yeast
D
E. coli and Salmonella
💡 Step-by-Step Explanation & Concept Rationale
These two species act synergistically to produce acid and yogurt aroma.
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