Arthrodial membrane in cockroach is

(1) Articular membrane

(2) Thin

(3) Flexible

(4) All of these

(1) Membranous sockets

(2) Ocellus

(3) Compound eye

(4) Maxilla

(1) Chewing and biting type mouth parts

(2) Flexible neck

(3) Sensory receptors in antennae

(4) Head is formed by fusion of 8 segments

(1) A median lobe

(2) Flexible

(3) Acting a tongue

(4) Formed by one of the segments of head

(1) By a long extension of prothorax

(2) By a short extension of prothorax

(3) By a short extension of neck

(4) By a long extension of neck

(1) Mesothoracic

(2) Forewings

(3) Cover hindwings at flight

(4) First pair of wings

(1) Opaque dark and leathery; transparent and membranous

(2) Transparent and membranous; Opaque and dark leathery

(3) Translucent dark and membranous; transparent and leathery

(4) Opaque and membranous; transparent and leathery

(1) 7th, 8th and 9th sternites as genital pouch

(2) Female gonopore, spermathecal pores and collateral glands at the ventral part of genital pouch

(3) 10 abdominal segments unlike males

(4) anal styles as well

(1) Lies at the hind end of the abdomen

(2) 9th and 10th terga and 9th sterna

(3) Ventral anus, ventral male genital pore and gonapophysis

(4) More than one option is correct

(1) Males

(2) Females

(3) Hermaphrodites

(4) a and b both