(a) What is lac culture? Explain the life cycle of lac insect and describe cultivation and processing of lac in India. Also add a note on its economic importance. (20 marks)
(b) What is Project Tiger? Discuss the various threats and conservation stra

Question

(a) What is lac culture? Explain the life cycle of lac insect and describe cultivation and processing of lac in India. Also add a note on its economic importance. (20 marks)
(b) What is Project Tiger? Discuss the various threats and conservation strategies to protect tigers in India. (15 marks)
(c) Define imprinting. Describe the mechanism of imprinting in animals with suitable examples. (15 marks)

UPSC Answer Check · Accepted Answer

The directive 'describe' demands detailed, systematic exposition of processes, mechanisms and phenomena across all three sub-parts. Allocate approximately 40% of time and word budget to part (a) given its 20 marks, with ~30% each to parts (b) and (c). Structure with brief introductions for each sub-part, followed by systematic descriptive body paragraphs covering definitions, life cycles/processes, and applied significance, concluding with integrated notes on economic importance for (a) and conservation relevance for (b)-(c).
- Part (a): Definition of lac culture; complete life cycle of Kerria lacca (formerly Laccifer lacca) including crawler, instar stages, male/female dimorphism and secretion mechanism; cultivation methods (brood lac inoculation, host plants like Ber/Ziziphus mauritiana and Palas/Butea monosperma); processing stages (washing, winnowing, melting, shellac preparation); economic importance including export value, employment in Jharkhand/Chhattisgarh/Madhya Pradesh, and industrial applications
- Part (b): Genesis and objectives of Project Tiger (1973); current tiger population estimates and source-sink dynamics; anthropogenic threats (habitat fragmentation, linear infrastructure, poaching for TCM, human-wildlife conflict); ecological threats (prey depletion, invasive species, climate change); conservation strategies including NTCA, STPF, tiger reserves as inviolate cores, relocation of villages, M-STrIPES monitoring, and international cooperation through Global Tiger Forum
- Part (c): Definition of imprinting as rapid, irreversible learning during critical period; mechanism involving filial imprinting (Konrad Lorenz's greylag geese), sexual imprinting (ducks), and habitat imprinting; neural basis involving IMHV and LPO regions; critical period sensitivity and irreversibility; evolutionary significance as adaptive strategy for offspring survival and mate recognition
- Integration of applied zoology across parts: lac as non-timber forest product supporting tribal livelihoods; Project Tiger as umbrella species conservation benefiting biodiversity; imprinting research informing captive breeding and reintroduction protocols
- Scientific nomenclature accuracy: Kerria lacca, Ziziphus mauritiana, Panthera tigris tigris, Anser anser (greylag geese), and correct use of technical terms (resin vs. shellac, inviolate core, critical period)

Dimension	Weight	Max marks	Excellent	Average	Poor
Concept correctness	20%	10	Demonstrates precise taxonomic knowledge: correctly identifies Kerria lacca (not Laccifer), distinguishes resin secretion from lac dye, accurately defines Project Tiger's 1973 launch and current 53 reserves, and precisely differentiates filial from sexual imprinting with correct critical period timing	Shows generally correct concepts but with minor errors: uses outdated nomenclature (Laccifer lacca), conflates lac resin with lac dye, gives approximate Project Tiger date, or confuses imprinting types without clear mechanistic distinction	Contains fundamental conceptual errors: misidentifies lac insect as beetle or caterpillar, describes Project Tiger as 1990s initiative, or equates imprinting with general conditioning without critical period element
Diagram / labelling	15%	7.5	Includes well-drawn, properly labelled diagrams for at least two sub-parts: lac insect life cycle with male/female morphological differences and resin secretion; tiger reserve zonation (core/buffer/corridor); or imprinting experimental setup showing following response, with all structures clearly identified	Provides one adequate diagram with partial labelling, or describes diagrams in text without actual illustration; labels may be incomplete or anatomically imprecise	Omits diagrams entirely or provides unlabelled, unrecognizable sketches that do not advance understanding of the described processes
Examples & nomenclature	20%	10	Uses specific, accurate examples: for lac—Jharkhand's Palamau, Chhattisgarh's Bastar region, host plants Ber and Kusum; for tigers—Corbett, Kanha, Sundarbans with specific threat instances; for imprinting—Lorenz's geese, Hess's duck experiments, Indian context of vulture captive breeding; all scientific names italicized and spelled correctly	Provides generic examples without regional specificity, mentions only common names for host plants, lists tiger reserves without threat-context pairing, or cites imprinting without experimental attribution; minor nomenclature errors	Uses incorrect or invented examples, confuses lac with other forest products, names non-tiger reserves, or provides no concrete imprinting cases; scientific names missing or grossly wrong
Process explanation	25%	12.5	Delivers systematic, stage-wise descriptions: lac cultivation from brood lac selection through pruning, inoculation, swarming, and harvesting to processing into seedlac and shellac; tiger conservation from population estimation (camera trapping) through threat mitigation to community involvement; imprinting mechanism from sensory acquisition through consolidation to permanent neural circuit formation	Describes processes in correct sequence but with gaps or lack of causal linkage; mentions steps without explaining how they connect or why sequence matters; adequate but not comprehensive coverage	Presents jumbled or incorrect process sequences, omits critical stages (e.g., no mention of critical period in imprinting), or provides only static descriptions without temporal or causal progression
Evolutionary / applied context	20%	10	Synthesizes applied significance: lac as sustainable tribal livelihood aligning with Scheduled Tribes and Other Traditional Forest Dwellers Act; tiger as umbrella species and cultural symbol with ecosystem service valuation; imprinting's evolutionary adaptive value for precocial species and its application to conservation translocation (e.g., Sarus crane rearing protocols)	Mentions economic importance or conservation value in generic terms without policy integration or evolutionary reasoning; lists benefits without explaining mechanisms of sustainability or adaptation	Fails to address applied dimensions, treats topics as purely academic exercises, or makes incorrect claims about economic viability or conservation success without evidence

Q7

Directive word: Describe

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