Q28
Silk gland is a modified part of labial gland and . . . . . . . . in origin.
A.
Ectodermal
AnswerB.
Mesodermal
C.
Epidermal
D.
Endodennal
Answer: Option A
Solution
Answer: Option A
Solution:
Silk gland is a modified part of labial gland and Ectodermal in origin.In lepidopteron larvae, the silk thread of the cocoon is secreted by a pair of silk glands which are modified labial glands. Silk gland is ectodermal in origin and lies on the lateral side of the gut.