Thread like structure surrounding the pupal stage of the insect (Silk worm) is_________________?
Correct answer: B. Cocoon
- A. Silk
- B. Cocoon
- C. Typhoon
- D. None of the above
Explanation
A cocoon is the protective silk covering spun around the pupa by the silkworm larva. Silk is the material, whereas the complete surrounding structure is called the cocoon.
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