Muga Silk (Antheraea assamensis) produces an enchanting natural shimmering golden-yellow filament renowned for its extraordinary tensile strength, gloss, and wash-resilient durability.
Endemic strictly to the Brahmaputra Valley of Assam and adjoining foothills of the Northeast.
India enjoys an absolute $100\%$ global monopoly over commercial Muga silk production, granted a registered Geographical Indication (GI) status.
Correct Option: Option 1 (Muga).
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17
ICAR JRF Sericulture 29 Jun 2024Shift 1
MCQ (Single Correct)+4−1
Domesticated insect exhibiting multivoltine behaviour (5-6 generations in a year) is
fully domesticated non-mulberry silk moth belonging to the family Saturniidae, reared predominantly on castor (Ricinus communis) and kesseru (Heteropanax fragrans).
Unlike wild univoltine or bivoltine saturniids, P. ricini is completely non-diapausing and exhibits multivoltine behaviour, producing 5 to 6 continuous generations annually under favorable tropical and subtropical conditions.
Correct Option: Option 2 (Philosamia ricini).
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Eri Silkworm (Samia ricini) cocoons are open-ended, woolly, and composed of entangled, discontinuous silk filaments that cannot be unwound/reeled continuously on reeling machines.
Consequently, after degumming in alkaline soap-soda solution, the empty pierced cocoons are opened into sheets and spun into yarn like cotton or wool using hand-spinning spindles (takli) or pedal/motorized spinning wheels (Amber Charkha / CSTRI motorized spinning machine).
Correct Option: Option 4 (Eri silk worm).
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