Structural Orga...

Which of the following is correct statement for the neuroglial cells?

Which of the following is a flexible membrane joining dorsal and ventral sclerites of a cockroach?

Which of the following mouth part of  cockroach is found in a pair and performs mastication?

Which of the following statement is incorrect about the circulatory system of earthworm?

Similarity between crop and gizzard of the gut of cockroach lies in?

Select the correct statements with reference to pheretima (excretory system)
A) Nephridia help in excretion and osmoregulation
B) Septal nephridia collects the wastes  from coelomic fluid with the help of nephrostomes
C) Integumentary nephridia discharge waste materials to the outer body surface through the nephridiopores
D) Septal nephridia and pharyngeal nephridia discharge wastes into luman of gut.

Epithelium covering the tongue is:

The number of pairs of cranial nerves arising from the brain of frog is?

Given is an animal followed by three terms or features. Choose the terms which does not match with the animal.
Earthworm.