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Question
Which of the following parts of caterpillar swings side to side during the formation of cocoon around the caterpillar?
Which of the following parts of caterpillar swings side to side during the formation of cocoon around the caterpillar?
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Solution
The correct option is C Head moves
Silk moth lays eggs. From these eggs, larvae hatch. These larvae are called as caterpillars. Before it enters the next stage of its life cycle called pupa, it weaves a net to hold itself. After this, the head moves side to side. During this swing, it secretes a protein that hardens on exposure to air and becomes silk fibre. The covering of this protein resulted due to head movement is called as the cocoon. Thus, the correct answer is option A.
Silk moth lays eggs. From these eggs, larvae hatch. These larvae are called as caterpillars. Before it enters the next stage of its life cycle called pupa, it weaves a net to hold itself. After this, the head moves side to side. During this swing, it secretes a protein that hardens on exposure to air and becomes silk fibre. The covering of this protein resulted due to head movement is called as the cocoon.
Thus, the correct answer is option A.
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