Which of the following statements is true

Options

A. Salivary glands of moth secrets silk
B. Larval form of moth secretes silk
C. Silk is extracted from cocoon of moth by boiling
D. Both `(b) and (c)`

Answer

D

Explanation

The caterpillers larva of moth secretes a sticky fluid through silk gland. The secrete fluid comes out through spinneret and takes the form of long fine thread of silk.