A) 3rd instar larva
B) 4th instar larva
C) 5th instar larva
D) Pupa
Correct Answer: D
Solution :
The caterpillar larva hatches from egg of silkmoth. The full grown caterpillar larva grows into pupa. Its salivary glands now secrete a sticky fluid through a narrow pore of its spinning apparatus called spinneret situated on hypopharynx. The sticky substance rums into the fine long and solid thread of silk.You need to login to perform this action.
You will be redirected in
3 sec