ICAR AIEEA-PG: Dairy Science (group 16) and Dairy Technology (group 17) · India · NTA for ICAR
Original practice questions written to the published syllabus · not past papersPrerequisite programmes, HACCP and the certified food safety systems dairy buyers and regulators require.
In the exams: ICAR AICE subject 35b Unit 1, subject 34 Unit 9 and subject 37 Unit 9; ICAR AIEEA-PG group 16 (ISO 9001 and ISO 22000)
ICAR AIEEA-PG — Dairy Science (group 16) and Dairy Technology (group 17)
Group 16 names ISO 9001 and ISO 22000 and plant hygiene; group 17 Unit I names HACCP in fluid milk. Expect recall of the seven principles, the twelve steps, pasteurisation as a CCP, flow diversion and phosphatase verification.
How our questions for ICAR AIEEA-PG spread across the units of Dairy Food Safety Management Systems. Difficulty: 10 easy, 7 medium, 2 hard.
| HACCP plans for pasteurised milk, cheese, powder and ice cream | 7 | |
| HACCP: the seven principles and twelve steps | 6 | |
| Prerequisite programmes and good manufacturing practice | 4 | |
| ISO 22000 and FSSC 22000 | 1 | |
| Allergen management | 1 |
Choose an answer, then open the working. Each explanation says why the right answer is right and why the others are not.
In a food safety management system, prerequisite programmes are best described as:
D. Basic conditions and activities that keep a hygienic environment across the operation
PRPs (Codex good hygiene practices, US CGMPs) control the general environment: premises, water, pests, people, cleaning, maintenance. Control measures with critical limits at specific steps are CCPs; release testing and legal limits are separate tools.
Which document published by Codex contains both the good hygiene practices and the HACCP annex used worldwide?
D. General Principles of Food Hygiene, CXC 1-1969
CXC 1-1969, revised in 2020, holds the GHPs and the HACCP system and guidelines. The dairy-terms standard protects dairy names, the labelling standard covers labels, and the aflatoxin code addresses feed.
Which is the first of the seven HACCP principles?
D. Conduct a hazard analysis
Principle 1 is hazard analysis. Determining CCPs is principle 2; assembling the team and drawing the flow diagram are preliminary steps 1 and 4, not principles.
Which of these is a critical limit rather than a monitoring procedure at an HTST pasteuriser?
D. Minimum holding-tube outlet temperature
A critical limit is the value that separates acceptable from unacceptable, such as the minimum holding temperature. Hourly readings and recorder charts are monitoring; testing the diversion valve is verification.
Why does HACCP prefer process control to end-product testing for low-rate contamination?
A. Small samples miss low-rate defects
With low prevalence, a few samples will usually all be negative even if some units are contaminated. Methods can detect pathogens, Codex does not prohibit testing, and HACCP still uses testing as verification.
In an HTST pasteuriser, which device returns milk that has not reached the set holding temperature to the balance tank?
B. The flow diversion valve
The flow diversion valve diverts sub-temperature milk. The timing pump fixes maximum flow and so minimum holding time; the homogeniser reduces fat globule size; the regenerator exchanges heat between raw and pasteurised milk.
Which test on finished milk is used to verify that pasteurisation was adequate?
C. Alkaline phosphatase test
Alkaline phosphatase is inactivated by correct pasteurisation, so a negative result verifies the heat treatment. Methylene blue reduction estimates bacterial activity in raw milk; alcohol and clot-on-boiling tests judge heat stability of raw milk.
In a cheese plant, why is the rate of acid development in the vat often monitored as a control?
C. Slow acidification lets Staphylococcus aureus form enterotoxin
A slow vat, from phage or antibiotic residues, allows S. aureus growth and toxin formation, so pH at set times is monitored. Acid does not destroy rennet in normal ranges, pH does not show fat content, and pH monitoring does not replace pasteurisation.
Which edition of ISO 22000 introduced the high-level structure shared with ISO 9001?
A. 2018
ISO 22000:2018 adopted the high-level structure. The first edition was 2005; 2015 is the ISO 9001 revision year; 2011 is not an ISO 22000 edition.
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