Topics:
Animal Refresher, Dairy Science
Milk Tests and Pasteurization Methods Match
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Question (English)
Match the column:
| TABLE-I | TABLE-II |
|---|---|
| 1. Coliform test | (a) 72°C / 15 seconds |
| 2. HTST | (b) Mixing of cow & buffalo milk |
| 3. Hansa test | (c) 74°C / 7 seconds |
| 4. Stassanization | (d) Detergent adulteration of milk |
| 5. Bromo-cresol-purple test | (e) Faecal contamination of milk |
- 1-e, 2-a, 3-b, 4-c, 5-d ✓ Correct
- 1-a, 2-e, 3-b, 4-c, 5-d
- 1-e, 2-a, 3-d, 4-c, 5-b
- 1-e, 2-c, 3-b, 4-a, 5-d
Explanation:
Correct Answer: 1-e, 2-a, 3-b, 4-c, 5-d
- Coliform test (1-e): Indicates faecal contamination of milk (mainly E. coli — coliform bacteria originate from faecal matter).
- HTST (2-a): High Temperature Short Time pasteurization — 72°C / 15 seconds.
- Hansa test (3-b): Used to detect mixing of cow & buffalo milk.
- Stassanization (4-c): A method of pasteurization at 74°C / 7 seconds.
- Bromo-cresol-purple test (5-d): Used to detect detergent adulteration in milk.
Complete Quality Control Test Summary
- Organoleptic test → Colour, flavour & taste
- Coliform count test → Faecal contamination (E.coli)
- Phosphatase test → Inadequacy of pasteurization
- Hansa test → Mixing of cow & buffalo milk
- Delvo kit test → Antibiotic & sulphur residues
- Iodine solution → Starch adulteration
- Picric acid → Gelatin adulteration
- p-dimethylaminobenzaldehyde → Urea adulteration
- Bromo-cresol-purple → Detergent adulteration
Why Other Options Are Wrong
- Option B: Swaps Coliform test and HTST.
- Option C: Swaps Hansa test and Bromo-cresol-purple test.
- Option D: Swaps HTST (72°C/15s) with Stassanization (74°C/7s).
📚 About this Topic — Animal Refresher
This multiple choice question is from Animal Refresher, Dairy Science. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Refresher to strengthen your preparation.
