The silkworm silk is the product of
(a) salivary gland of the larva
(b) salivary gland of the adult
(c) cuticle of the larva
(d) cuticle of the adult.
(a) salivary gland of the larva
(b) salivary gland of the adult
(c) cuticle of the larva
(d) cuticle of the adult.