Animal Husbandry & Veterinary Science 2022 Paper II 50 marks 150 words Compulsory Discuss

Paper II — Q5

Discuss the following in about 150 words each: (a) Worsted system of wool processing (10 marks) (b) Platform tests for…

Discuss the following in about 150 words each: (a) Worsted system of wool processing (10 marks) (b) Platform tests for determination of milk quality (10 marks) (c) Occupational zoonotic health hazards (10 marks) (d) Preslaughter care of food animals (10 marks) (e) Defects of whole milk powder and skim milk powder, their causes and prevention (10 marks)

हिंदी में प्रश्न पढ़ें

निम्नलिखित में से प्रत्येक की लगभग 150 शब्दों में विवेचना कीजिए : (a) ऊन प्रसंस्करण की वर्स्टेड प्रणाली (वर्स्टेड सिस्टम) (10 अंक) (b) दूध की गुणवत्ता निर्धारण के लिए मंच (प्लेटफार्म) परीक्षण (10 अंक) (c) व्यावसायिक प्राणिजन्य (ऑकुपेशनल जूनोटिक) स्वास्थ्य खतरे (10 अंक) (d) खाद्य पशुओं की वधपूर्व देखभाल (10 अंक) (e) सम्पूर्ण (वसायुक्त) दूध के पाउडर एवं मलाईरहित (स्किम) दूध के पाउडर के दोष, इनके कारण एवं रोकथाम (बचाव) (10 अंक)

Evaluate your answer to this question → See all 2022 Animal Husbandry & Veterinary Science questions

Directive word: Discuss

This question asks you to discuss. The directive word signals the depth of analysis expected, the structure of your answer, and the weight of evidence you must bring.

See our UPSC directive words guide for a full breakdown of how to respond to each command word.

How this answer will be evaluated

Approach

The directive 'discuss' requires balanced exposition with critical coverage of all five sub-parts. Allocate approximately 30 words per mark (150 words × 5 parts), spending roughly 2 minutes per sub-part. Structure each part as: brief definition → key features/processes → significance/limitations. No unified conclusion needed; each sub-part stands independently. Prioritize technical precision over narrative flow given the diverse topics spanning wool technology, dairy chemistry, zoonoses, animal welfare, and milk powder defects.

Key points expected

(a) Worsted system: Parallel fiber arrangement, combing process, removal of short fibers (noils), production of smooth, lustrous, durable yarn; contrast with woolen system; specific end-uses (suiting, fine apparel)
(b) Platform tests: MBRT (Methylene Blue Reduction Test), COB (Clot on Boiling), acidity test (°SH), specific gravity (lactometer reading), sediment test; rapid field applicability for milk procurement at village level
(c) Occupational zoonoses: Brucellosis (abattoir workers), Q-fever, leptospirosis, anthrax, tuberculosis, rabies; exposure routes (contact, aerosol, vector); preventive measures (PPE, vaccination, hygiene protocols)
(d) Preslaughter care: Lairage management, rest period (24-48 hours), withdrawal of feed (12-24 hours) with water ad libitum, humane handling to prevent DFD and PSE conditions; animal welfare and meat quality nexus
(e) Milk powder defects: Whey taint, stale/oxidized flavor, scorched particles, caking/insolubility; causes (preheating temperature, moisture content, storage conditions, fat oxidation); prevention (nitrogen flushing, moisture control, antioxidant addition)

Evaluation rubric

Dimension	Weight	Max marks	Excellent	Average	Poor
Demand-directive understanding	20%	10	Demonstrates precise understanding that 'discuss' requires explanatory depth with critical coverage across all five distinct technical domains; for (a) explains why worsted differs from woolen; for (b) justifies why platform tests remain relevant despite lab alternatives; for (c) connects occupational exposure to specific worker categories; for (d) links welfare to meat quality economics; for (e) differentiates defect mechanisms between whole and skim milk powder	Covers all five parts superficially with basic definitions; treats 'discuss' as mere description without analytical comparison or significance; some parts confused with related concepts (e.g., worsted vs. woolen not clarified)	Misinterprets directive as 'list' or 'define'; omits 1-2 sub-parts entirely; writes essay-style unified answer instead of discrete 150-word segments; confuses technical terms across domains
Content depth & accuracy	20%	10	Technically accurate across all domains: specifies combing in worsted, names 4+ platform tests with principles, identifies 4+ zoonoses with transmission modes, prescribes exact rest/withdrawal durations, and classifies powder defects by chemical/physical categories with precise causation (Maillard browning, lipid oxidation)	Generally correct but with gaps: mentions platform tests without principles, lists zoonoses without transmission routes, vague on preslaughter timelines, generic defect descriptions without specific causation mechanisms	Major technical errors: confuses worsted with woolen processing, describes laboratory tests (fat%, SNF) as platform tests, omits transmission routes in zoonoses, ignores feed withdrawal in preslaughter care, conflates whole and skim milk powder defects
Structure & flow	20%	10	Each sub-part follows identical micro-structure: definition (1 sentence) → process/mechanism/features (2-3 sentences) → significance/applications/prevention (1-2 sentences); clear visual separation between (a)-(e); maintains 140-160 word discipline per part; logical internal sequencing within each technical domain	Uneven structure across parts; some well-organized, others rambling; word count imbalanced (some parts 100 words, others 200); transitions between concepts within parts unclear; mixing of sub-part content	No discernible structure; continuous prose without part labeling; severe word imbalance; illogical sequencing (effects before causes); missing components in multiple parts; illegible handwriting or formatting compounds structural failure
Examples / case-law / data	20%	10	Incorporates India-specific references: FSSAI standards for milk (MBRT grading), Bureau of Indian Standards for milk powder (IS:1166, IS:13334), ICAR-CIRB/IVRI research on brucellosis in Indian livestock, Prevention of Cruelty to Animals (Slaughter House) Rules 2001; cites specific numerical thresholds (MBRT: 30 min for grade A; moisture limit: 3.5% for powder)	Generic examples without Indian specificity; mentions FSSAI or BIS without standard numbers; vague reference to 'Indian conditions' without concrete data; no numerical thresholds cited	No examples, data, or standards cited; irrelevant international examples only; fabricated data; confuses regulatory frameworks (FSSAI vs. AGMARK vs. BIS)
Conclusion & analytical edge	20%	10	Each sub-part concludes with forward-looking insight: (a) worsted's declining share vs. synthetic blends; (b) platform tests' complementarity with electronic milk analyzers; (c) One Health integration for occupational safety; (d) preslaughter care as export competitiveness factor; (e) UHT and retort technologies reducing powder dependency—demonstrating sectoral awareness beyond textbook recall	Routine summarization without analytical projection; restates main points as conclusion; no integration of contemporary developments or policy relevance; endings feel abrupt or formulaic	No conclusion in any sub-part; or entirely misplaced unified conclusion; ends with unanswered questions or irrelevant personal opinions; demonstrates no awareness of current industry/regulatory trends

Practice this exact question

Write your answer, then get a detailed evaluation from our AI trained on UPSC's answer-writing standards. Free first evaluation — no signup needed to start.

Evaluate my answer →