List of top Zoology Questions on Cockroach

In cockroach, identify the incorrectly matched pair:

Study the following statements regarding the tracheal system of cockroach:
I. Tracheae possess spiral thickenings called taenidia.
II. Tracheoles are lined internally by chitinous intima.
III. Tracheoblast is the terminal cell of trachea.
IV. Tracheoles are closely associated with mitochondria in tissues.
Identify the correct statements

Study the following statements regarding excretion in cockroach: I. The distal portion of the Malpighian tubule is secretory in function. II. Storage excretion is carried out by the fat bodies. III. Uric acid is discharged during copulation from the uricose glands. IV. Cuticle has no role in excretion.

In cockroach, identify the incorrectly matched pair:

Study the following statements regarding respiratory system of cockroach and identify the correct option:
Statement-I: Cockroach possesses 10 pairs of spiracles.
Statement-II: The spiracles of cockroach are holopneustic.