Vidyalelo
Agriculture · Q28

Agricultural Entomology

Graduate and Post Graduate · Agriculture · question 28

Q28

Silk gland is a modified part of labial gland and . . . . . . . . in origin.

A.
Ectodermal
Answer
B.
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.