Q104
Pertrophic membrane is present in
A.
Fore gut
B.
Mid gut
AnswerC.
Hind gut
D.
None of these
Answer: Option B
Solution
Answer: Option B
Solution:
Peritrophic membrane is present in Midgut.The peritrophic membrane (PM) is an anatomical structure surrounding the food bolus in most insects.
The peritrophic membranes are formed by secretion of the midgut epithelium. They consist of a network of chitin-containing microfibrils embedded in a matrix of proteins, glycoproteins, and proteoglycans. The thickness of the peritrophic envelope is 280 nm.