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Answer: Option 4
Lac is secreted by A certain type of insect which feeds on the saps of trees such as Palas, Ber and Kusum. Lac is a natural resin of animal origin. It is secreted by an insect, known as lac-insect In order to obtain lac, these insects are cultured and the technique is called lac-culture. It involves proper care of host plants, regular pruning of host plants, propagation, collection and processing of lac.
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