Structure that helps the cockroach to walk on smooth surfaces is

What are the structures with which cockroach walks on smooth surfaces and on rough surfaces respectively ?

In cockroach, walking legs arises from

The correct order of structures found in cockroach from dorsal to ventral surface of body

The correct order of structures found in cockroach from dorsal to ventral surface of body

Thin, elongated, tubular structures on the surface of bacteria that help them to attach to other bacteria and solid surfaces.

Structures which help in distinguishing a male cockroach from a female cockroach are

Structures which help in distinguishing a male cockroach from a female cockroach are (a) Anal styles (b) Anal cerci (c) Collateral glands (d) Ocelli

Structure common to Housefly and Cockroach is