Silk thread is obtained from silk moth during
(a) pupal stage
(b) larval stage
(c) ***** stage
(d) ***** stage
Correct option (a) pupal stage
Explanation:
Caterpillar feeds on mulberry leaves. Its salivary gland secretes liquid silk. Silk is obtained from (pupa, chrysalis). Ripe cocoons are treated with boiling water to **** the moth before hatching.
