18
Question
Silk from silkworm is obtained in which stage of its life cycle?
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Solution
The correct option is D Pupa
Sericulture, or silk farming, is the cultivation of silkworms to produce silk. In the process of sericulture, the silk moth lays hundreds of eggs and these eggs hatch to become the larvae or silkworms. These silkworms feed on the leaves of the mulberry bush and gradually form cocoons. The larvae rest in the cocoon till maturity and are now called pupa. At this stage the cocoons are collected and added to boiling water to obtain thin filaments of silk, in turn, killing the pupa inside it.
Sericulture, or silk farming, is the cultivation of silkworms to produce silk. In the process of sericulture, the silk moth lays hundreds of eggs and these eggs hatch to become the larvae or silkworms. These silkworms feed on the leaves of the mulberry bush and gradually form cocoons. The larvae rest in the cocoon till maturity and are now called pupa. At this stage the cocoons are collected and added to boiling water to obtain thin filaments of silk, in turn, killing the pupa inside it.
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