Paper II — Q8
(a)(i) Discuss the modern processing technologies to improve quality of meat and meat products. (10 marks) (a)(ii) Packaging is…
(a)(i) Discuss the modern processing technologies to improve quality of meat and meat products. (10 marks) (a)(ii) Packaging is a very important tool for successful marketing of meat and meat products — discuss the topic in light of traditional and modern packaging techniques. (10 marks) (b)(i) Write a note on abattoir effluent treatment. (7 marks) (b)(ii) Discuss the methods of processing of condemned carcasses for production of meat-cum-bone meal. (8 marks) (c) Classify industrial casein derived from skim milk. Describe the method of manufacture of acid casein. (15 marks)
हिंदी में प्रश्न पढ़ें
(a)(i) मांस और मांस उत्पादों की गुणवत्ता में सुधार के लिए आधुनिक प्रसंस्करण प्रौद्योगिकियों पर चर्चा कीजिए । (10 अंक) (a)(ii) मांस और मांस उत्पादों के सफल विपणन के लिए पैकेजिंग एक बहुत ही महत्वपूर्ण उपकरण है — पारंपरिक और आधुनिक पैकेजिंग तकनीकों के प्रकाश में इस विषय पर चर्चा कीजिए । (10 अंक) (b)(i) बूचड़खाने के अपशिष्ट उपचार पर एक टिप्पणी (नोट) लिखिए । (7 अंक) (b)(ii) मांस और अस्थि चूर्ण के उत्पादन के लिए निष्प्रयोज्य शवों के प्रसंस्करण की विधियों पर चर्चा कीजिए । (8 अंक) (c) मलाई रहित (स्किम) दुध से प्राप्त औद्योगिक कैसीन को वर्गीकृत कीजिए । अम्लीय कैसीन के निर्माण की विधि का वर्णन कीजिए । (15 अंक)
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 critical examination with balanced coverage across all sub-parts. Allocate approximately 40% of time/words to part (a) [20 marks], 30% to part (b) [15 marks], and 30% to part (c) [15 marks]. Structure with brief introductions for each sub-part, systematic body addressing all components, and integrated conclusions highlighting linkages between meat processing, waste management, and dairy by-product utilization.
Key points expected
- Part (a)(i): Modern meat processing technologies—HPP (High Pressure Processing), PEF (Pulsed Electric Field), cold plasma, ultrasound, smart packaging indicators, and hurdle technology for quality enhancement
- Part (a)(ii): Traditional packaging (wax paper, banana leaves, earthen pots) versus modern packaging (MAP, vacuum packaging, active/intelligent packaging, edible films, bioplastics) with marketing implications
- Part (b)(i): Abattoir effluent characteristics (BOD, COD, TSS), primary/secondary/tertiary treatment, anaerobic digesters, DAF (Dissolved Air Flotation), constructed wetlands, and compliance with EPA standards
- Part (b)(ii): Condemned carcass processing—rendering methods (batch vs continuous), sterilization requirements, meat-cum-bone meal (MBM) specifications, BSE regulations, and alternative uses (pet food, fertilizer)
- Part (c): Industrial casein classification (acid, rennet, coprecipitated), acid casein manufacture—pH adjustment (4.5-4.7), washing, pressing, drying, grinding, and quality parameters (moisture, ash, protein content)
- Integration: Linkages between waste minimization (b), value addition (c), and quality assurance (a) in integrated meat and dairy processing industries
Evaluation rubric
| Dimension | Weight | Max marks | Excellent | Average | Poor |
|---|---|---|---|---|---|
| Demand-directive understanding | 20% | 10 | Demonstrates precise understanding of 'discuss' by critically examining multiple perspectives for (a)(i)-(ii), 'write a note' for (b)(i) requiring concise comprehensive coverage, and 'classify' plus 'describe' for (c) demanding systematic categorization followed by process elaboration; maintains appropriate depth proportional to marks | Addresses all directives but treats them uniformly without adjusting depth; 'discuss' becomes descriptive rather than analytical; 'classify' in (c) is superficial with limited description of manufacturing | Misinterprets directives—treats 'discuss' as 'list', 'write a note' as one-line answer, or omits classification entirely in (c); disproportionate coverage ignoring mark allocation |
| Content depth & accuracy | 20% | 10 | Accurate technical details: for (a) specific process parameters (pressure levels in HPP, gas compositions in MAP); for (b) effluent standards (BOD <30 mg/l), rendering temperatures (>133°C for BSE inactivation); for (c) precise pH ranges (4.5-4.7), precipitation temperatures, and ISI/ADPI specifications | Generally correct information but lacks specificity—mentions 'high pressure' without values, 'heating' without temperatures, or 'acid' without identifying HCl/lactic acid; minor technical inaccuracies | Significant factual errors—confusing HPP with thermal processing, stating effluent can be directly discharged without treatment, or describing rennet casein manufacture under acid casein; obsolete or incorrect regulatory references |
| Structure & flow | 20% | 10 | Clear tripartite structure with visible sub-part demarcations; logical progression within each part—(a)(i) technologies → (a)(ii) packaging applications; (b)(i) effluent characteristics → treatment stages → disposal; (c) classification → selection criteria → manufacturing steps → end uses; effective transitions between traditional/modern and waste/product | All sub-parts present but poorly demarcated or unevenly developed; some logical gaps—jumping from problem to solution without process stages; conclusion missing or generic | Disorganized response mixing sub-parts; no clear paragraphing; abrupt endings; missing sub-parts entirely or severe imbalance (e.g., 80% on (a), minimal on (c)) |
| Examples / case-law / data | 20% | 10 | Specific Indian examples: FSSAI regulations 2017 for meat packaging, CPCB standards for abattoir effluent (BOD 30 mg/l), NDDB casein plants (Anand), Al-Kabeer or Venky's processing units; cites BSE crisis impact on MBM use; references APEDA export quality specifications; mentions Indian Standards IS:11942 for casein | Generic examples without Indian specificity—mentions 'some companies' or 'developed countries'; or purely theoretical treatment; outdated regulations cited | No examples, data, or regulatory references; irrelevant examples from unrelated sectors; fabricated statistics; confusion between Indian and international standards |
| Conclusion & analytical edge | 20% | 10 | Synthesizes across sub-parts: integrated meat-dairy processing for circular economy, zero-waste abattoir concepts, export competitiveness through quality packaging, and India's potential in casein exports; critical evaluation of sustainability trade-offs (energy-intensive HPP vs chemical preservation); forward-looking recommendations | Separate conclusions for each sub-part without integration; standard summary without critical insight; generic recommendations without prioritization | No conclusion or abrupt ending; mere repetition of points; irrelevant philosophical or political commentary disconnected from technical content |
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