Question

Commercial lac is produced from

• A. The nest of a type of bird
• B. The exudation of a type of insect
• C. The scale of a type of fish
• D. The root of a plant

Answer 1

The correct option is B The exudation of a type of insect

Lac is the scarlet resinous secretion of a number of species of lac insects, of which the most commonly cultivated species is Kerria lacca. Kerria lacca is a species of scale insect of the family Kerriidae. Lac is an commercially important scarlet substance that is used for dyeing wool and silk, in cosmetics, pharmaceutical glazes, wood finishing varnishes and polishes. Hence option B is correct.