Q. No.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
(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
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
Choose the incorrect option from the following-
Heart of cockroach
(1) Has elongated muscular tube
(2) Lying along mid ventral line of thorax and abdomen
(3) Has closed funnel shaped chambers with ostia on either side
(4) All the above
The nervous system of cockroach is made up of a series of ganglia which are joined by
(1) Paired lateral connectives
(2) Single longitudinal connectives
(3) Paired longitudinal connectives
(4) Single horizontal connectives
Among the following organs which ones are not sense organs:
Antennae, maxillary palps, mandibular palps, labralpalps, labial palps and anal cerci
(1) Mandibular palps, labralpalps
(2) Anal cerci and maxillary palps
(3) Maxillary palps and mandibular palps
(4) Anal cerci and labial palps
At the time of copulation in Cockroach
(1) Sperms are discharged
(2) Spermatophores are discharged
(3) Spermatheca are discharged
(4) Spermatozoa are discharged
How many molting will be observed in the case of female cockroaches for 20 eggs thinking that all will be converted in adults?
(1) 260
(2) 120
(3) 130
(4) 660
Vestibulum is a part of
(1) Genital chamber of female cockroach
(2) Genital pouch of female cockroach
(3) Both a and b
(4) Rudimentary part of female circulatory system in cockroach
The presence of anal styles distinguishes male cockroaches from females. It is present on :
1. Ninth tergite
2. Ninth sternite
3. Tenth tergite
4. Tenth sternite
The head is connected with thorax-
(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
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