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Question
Which set of insects is useful to man?
Which set of insects is useful to man?
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Solution
The correct option is B Silkmoth, lac insect, bee
Silkworm is the larva or caterpillar of the domesticated silkmoth, Bombyx mori. It is an economically important insect, being a primary producer of silk. Kerriidae is a family of scale insects, commonly known as lac insects. These insects secrete a waxy resin that is harvested and converted commercially into lac and shellac, used in various dyes, cosmetics, wood finishing varnishes and polishes. Honeybee is any member of the genus Apis, primarily distinguished by the production and storage of honey and the construction of perennial, colonial nests from wax. Therefore, silkmoth, insects and bees are are set of insects which are beneficial. Thus, the correct answer is option B.
Silkworm is the larva or caterpillar of the domesticated silkmoth, Bombyx mori. It is an economically important insect, being a primary producer of silk. Kerriidae is a family of scale insects, commonly known as lac insects. These insects secrete a waxy resin that is harvested and converted commercially into lac and shellac, used in various dyes, cosmetics, wood finishing varnishes and polishes. Honeybee is any member of the genus Apis, primarily distinguished by the production and storage of honey and the construction of perennial, colonial nests from wax. Therefore, silkmoth, insects and bees are are set of insects which are beneficial.
Thus, the correct answer is option B.
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