Multiple choice general knowledge

At which stage in its life cycle does the silk work yield the fibre of commerce ?

  1. egg

  2. larva

  3. pupa

  4. imago
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The silk moth yields silk fiber during the pupa stage when it spins a cocoon of silk threads before metamorphosis. The cocoon is harvested and the silk filaments are unwound to produce commercial silk fiber.

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