Tegmina are……… while hind wings are…………
(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
The female cockroaches have
(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
Male genital pouch
(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
Anal cerci is present in (Cockroach)
(1) Males
(2) Females
(3) Hermaphrodites
(4) a and b both
Anal cerci is
(1) Jointed filamentous structure
(2) Present in 9th segment
(3) Present only in males
(4) More than one option is correct
Pharynx of cockroach is
(1) Short, tubular
(2) Opens to crop
(3) Mouth leads to pharynx
(4) All the above
Find the incorrect match.
(1) Junction of midgut and hindgut- Malpighian tubules
(2) Gizzard- Chitinous plates
(3) Crop- chemical digestion of food
(4) Gastric Caeca- digestive juice
Gastric Caecae of cockroach is
(1) Secrete digestive juice
(2) 10-12 blind tubules
(3) Present at the junction of midgut and hindgut-
(4) More than one option is correct
Malpighian tubules of cockroach is
(1) At the junction of midgut and hindgut
(2) Thin filamentous
(3) Another ring of 200-250
(4) Not all but any two are correct
Hindgut in cockroach is
(1) Broader than midgut
(2) Has two parts ileum and rectum
(3) Rectum opens into blind sac
(4) More than one option is correct