In which of the following stages of silkworm, silk is secreted
A
Larva
B
Pupa
C
Egg
D
Adult
Correct Answer: Pupa
Silkworms feed on fresh mulberry leaves the silkworm grows in size and then becomes a pupa. In the pupa stage, it weaves a net to hold itself. It then swings its head from side to side, secreting a fibre that hardens on contact with air. In pupa stage silk is obtained.